Table of Chess Openings

Openings are a collection of moves that are used in chess. They are used to help you learn and understand the moves that are used in chess.

ECO	Family	Variations	Sub Variations
000	Starting Position
A00	Amar Opening
A00	Amar Opening	Paris Gambit
A00	Amar Opening	Paris Gambit	Gent Gambit
A00	Amsterdam Attack
A00	Anderssen's Opening
A00	Anderssen's Opening	Polish Gambit
A00	Barnes Opening
A00	Barnes Opening	Fool's Mate
A00	Barnes Opening	Gedult Gambit
A00	Barnes Opening	Hammerschlag
A00	Barnes Opening with d5	Gedult Gambit
A00	Clemenz Opening
A00	Clemenz Opening	Spike Lee Gambit
A00	Creepy Crawly Formation	Classical Defense
A00	Formation	Hippopotamus Attack
A00	Formation	Shy Attack
A00	Global Opening
A00	Grob Opening
A00	Grob Opening	Alessi Gambit
A00	Grob Opening	Double Grob
A00	Grob Opening	Double Grob	Coca-Cola Gambit
A00	Grob Opening	Grob Gambit
A00	Grob Opening	Grob Gambit	Basman Gambit
A00	Grob Opening	Grob Gambit	Fritz Gambit
A00	Grob Opening	Grob Gambit	Keres Gambit
A00	Grob Opening	Grob Gambit	Richter-Grob Gambit
A00	Grob Opening	Grob Gambit Declined
A00	Grob Opening	Keene Defense
A00	Grob Opening	Keene Defense	Main Line
A00	Grob Opening	London Defense
A00	Grob Opening	Romford Countergambit
A00	Grob Opening	Spike	Hurst Attack
A00	Grob Opening	Spike Attack
A00	Grob Opening	Zilbermints Gambit
A00	Grob Opening	Zilbermints Gambit	Schiller Defense
A00	Grob Opening	Zilbermints Gambit	Zilbermints-Hartlaub Gambit
A00	Hungarian Opening
A00	Hungarian Opening	Asten Gambit
A00	Hungarian Opening	Bücker Gambit
A00	Hungarian Opening	Burk Gambit
A00	Hungarian Opening	Catalan Formation
A00	Hungarian Opening	Dutch Defense
A00	Hungarian Opening	Indian Defense
A00	Hungarian Opening	Myers Defense
A00	Hungarian Opening	Pachman Gambit
A00	Hungarian Opening	Paris Gambit
A00	Hungarian Opening	Reversed Alekhine
A00	Hungarian Opening	Reversed Brooklyn Defense	Brooklyn Benko Gambit
A00	Hungarian Opening	Reversed Modern Defense
A00	Hungarian Opening	Reversed Norwegian Defense
A00	Hungarian Opening	Sicilian Invitation
A00	Hungarian Opening	Slav Formation
A00	Hungarian Opening	Symmetrical Variation
A00	Hungarian Opening	Van Kuijk Gambit
A00	Hungarian Opening	Winterberg Gambit
A00	Kádas Opening
A00	Kádas Opening	Beginner's Trap
A00	Kádas Opening	Kádas Gambit
A00	Kádas Opening	Koola-Koola Variation
A00	Kádas Opening	Myers Variation
A00	Kádas Opening	Schneider Gambit
A00	Kádas Opening	Steinbok Gambit
A00	Kádas Opening with c5	Kádas Gambit
A00	Lasker Simul Special
A00	Mieses Opening
A00	Mieses Opening	Myers Spike Attack
A00	Mieses Opening	Reversed Rat
A00	Mieses Opening	Venezolana Variation
A00	Polish Opening
A00	Polish Opening	Baltic Defense
A00	Polish Opening	Birmingham Gambit
A00	Polish Opening	Bugayev Advance Variation
A00	Polish Opening	Bugayev Attack
A00	Polish Opening	Czech Defense
A00	Polish Opening	Dutch Defense
A00	Polish Opening	German Defense
A00	Polish Opening	Grigorian Variation
A00	Polish Opening	Karniewski Variation
A00	Polish Opening	King's Indian Variation
A00	Polish Opening	King's Indian Variation	Schiffler Attack
A00	Polish Opening	King's Indian Variation	Sokolsky Attack
A00	Polish Opening	Myers Variation
A00	Polish Opening	Outflank Variation
A00	Polish Opening	Queen's Indian Variation
A00	Polish Opening	Queenside Defense
A00	Polish Opening	Rooks Swap Line
A00	Polish Opening	Schiffler-Sokolsky Variation
A00	Polish Opening	Schuehler Gambit
A00	Polish Opening	Symmetrical Variation
A00	Polish Opening	Tartakower Gambit
A00	Polish Opening	Wolferts Gambit
A00	Saragossa Opening
A00	Sodium Attack
A00	Sodium Attack	Celadon Variation
A00	Sodium Attack	Chenoboskion Variation
A00	Sodium Attack	Durkin Gambit
A00	Valencia Opening
A00	Van Geet Opening
A00	Van Geet Opening	Battambang Variation
A00	Van Geet Opening	Billockus-Johansen Gambit
A00	Van Geet Opening	Damhaug Gambit
A00	Van Geet Opening	Dougherty Gambit
A00	Van Geet Opening	Dunst-Perrenet Gambit
A00	Van Geet Opening	Düsseldorf Gambit
A00	Van Geet Opening	Gladbacher Gambit
A00	Van Geet Opening	Hector Gambit
A00	Van Geet Opening	Hergert Gambit
A00	Van Geet Opening	Hulsemann Gambit
A00	Van Geet Opening	Jendrossek Gambit
A00	Van Geet Opening	Kluever Gambit
A00	Van Geet Opening	Laroche Gambit
A00	Van Geet Opening	Liebig Gambit
A00	Van Geet Opening	Melleby Gambit
A00	Van Geet Opening	Myers Attack
A00	Van Geet Opening	Napoleon Attack
A00	Van Geet Opening	Novosibirsk Variation
A00	Van Geet Opening	Nowokunski Gambit
A00	Van Geet Opening	Pfeiffer Gambit
A00	Van Geet Opening	Pfeiffer Gambit	Sleipnir Countergambit
A00	Van Geet Opening	Reversed Nimzowitsch
A00	Van Geet Opening	Reversed Scandinavian
A00	Van Geet Opening	Sicilian Two Knights
A00	Van Geet Opening	Sleipnir Gambit
A00	Van Geet Opening	Tübingen Gambit
A00	Van Geet Opening	Twyble Attack
A00	Van Geet Opening	Venezolana Variation
A00	Van Geet Opening	Warsteiner Gambit
A00	Van't Kruijs Opening
A00	Van't Kruijs Opening	Bouncing Bishop Variation
A00	Van't Kruijs Opening	Keoni-Hiva Gambit	Akahi Variation
A00	Van't Kruijs Opening	Keoni-Hiva Gambit	Alua Variation
A00	Van't Kruijs Opening	Keoni-Hiva Gambit	Ekolu Variation
A00	Ware Opening
A00	Ware Opening	Cologne Gambit
A00	Ware Opening	Crab Variation
A00	Ware Opening	Meadow Hay Trap
A00	Ware Opening	Symmetric Variation
A00	Ware Opening	Ware Gambit
A00	Ware Opening	Wing Gambit
A01	Nimzo-Larsen Attack
A01	Nimzo-Larsen Attack	Classical Variation
A01	Nimzo-Larsen Attack	Dutch Variation
A01	Nimzo-Larsen Attack	English Variation
A01	Nimzo-Larsen Attack	Graz Attack
A01	Nimzo-Larsen Attack	Indian Variation
A01	Nimzo-Larsen Attack	Modern Variation
A01	Nimzo-Larsen Attack	Pachman Gambit
A01	Nimzo-Larsen Attack	Polish Variation
A01	Nimzo-Larsen Attack	Ringelbach Gambit
A01	Nimzo-Larsen Attack	Spike Variation
A01	Nimzo-Larsen Attack	Symmetrical Variation
A01	Nimzo-Larsen Attack with e3	Modern Variation
A02	Bird Opening
A02	Bird Opening	Batavo-Polish Attack
A02	Bird Opening	Double Duck Formation
A02	Bird Opening	From's Gambit
A02	Bird Opening	From's Gambit	Bahr Gambit
A02	Bird Opening	From's Gambit	Langheld Gambit
A02	Bird Opening	From's Gambit	Lasker Variation
A02	Bird Opening	From's Gambit	Lipke Variation
A02	Bird Opening	Hobbs Gambit
A02	Bird Opening	Hobbs-Zilbermints Gambit
A02	Bird Opening	Horsefly Defense
A02	Bird Opening	Lasker Gambit
A02	Bird Opening	Mujannah
A02	Bird Opening	Myers Defense
A02	Bird Opening	Platz Gambit
A02	Bird Opening	Schlechter Gambit
A02	Bird Opening	Siegener Gambit
A02	Bird Opening	Swiss Gambit
A02	Bird Opening	Wagner-Zwitersch Gambit
A03	Bird Opening	Dutch Variation
A03	Bird Opening	Dutch Variation	Dudweiler Gambit
A03	Bird Opening	Lasker Variation
A03	Bird Opening	Sturm Gambit
A03	Bird Opening	Thomas Gambit
A03	Bird Opening	Williams Gambit
A03	Bird Opening	Williams-Zilbermints Gambit
A04	Colle System	Rhamphorhynchus Variation
A04	Modern Defense	Semi-Averbakh Variation	Polish Variation
A04	Modern Defense	Semi-Averbakh Variation	Pterodactyl Variation
A04	Modern Defense	Semi-Averbakh Variation	Pterodactyl Variation Accepted
A04	Zukertort Defense	Kingside Variation
A04	Zukertort Defense	Sicilian Knight Variation
A04	Zukertort Opening
A04	Zukertort Opening	Arctic Defense
A04	Zukertort Opening	Arctic Defense	Drunken Knight Variation
A04	Zukertort Opening	Basman Defense
A04	Zukertort Opening	Black Mustang Defense
A04	Zukertort Opening	Drunken Cavalry Variation
A04	Zukertort Opening	Dutch Variation
A04	Zukertort Opening	Herrstrom Gambit
A04	Zukertort Opening	Kingside Fianchetto
A04	Zukertort Opening	Lisitsyn Gambit
A04	Zukertort Opening	Lisitsyn Gambit Deferred
A04	Zukertort Opening	Pirc Invitation
A04	Zukertort Opening	Polish Defense
A04	Zukertort Opening	Queen's Gambit Invitation
A04	Zukertort Opening	Queenside Fianchetto Variation
A04	Zukertort Opening	Ross Gambit
A04	Zukertort Opening	Shabalov Gambit
A04	Zukertort Opening	Sicilian Invitation
A04	Zukertort Opening	Slav Invitation
A04	Zukertort Opening	Speelsmet Gambit
A04	Zukertort Opening	St. George Defense
A04	Zukertort Opening	The Walrus
A04	Zukertort Opening	Vos Gambit
A04	Zukertort Opening	Wade Defense
A04	Zukertort Opening	Ware Defense
A05	King's Indian Attack
A05	King's Indian Attack	Smyslov Variation
A05	King's Indian Attack	Spassky Variation
A05	King's Indian Attack	Symmetrical Defense
A05	King's Indian Attack	Wahls Defense
A05	Polish Opening	Zukertort System
A05	Zukertort Opening	Double Fianchetto Attack
A05	Zukertort Opening	Lemberger Gambit
A05	Zukertort Opening	Myers Polish Attack
A05	Zukertort Opening	Nimzo-Larsen Variation
A05	Zukertort Opening	Quiet System
A06	Nimzo-Larsen Attack	Norfolk Gambit
A06	Nimzo-Larsen Attack with b3	Classical Variation
A06	Nimzo-Larsen Attack with c5	Norfolk Gambit
A06	Zukertort Opening	Ampel Variation
A06	Zukertort Opening	Old Indian Attack
A06	Zukertort Opening	Pachman Gambit
A06	Zukertort Opening	Regina-Nu Gambit
A06	Zukertort Opening	Reversed Mexican Defense
A06	Zukertort Opening	Santasiere's Folly
A06	Zukertort Opening	Tennison Gambit
A06	Zukertort Opening	Tennison Gambit	Brigg's Trap
A06	Zukertort Opening	The Potato
A06	Zukertort Opening with Nf6
A07	Hungarian Opening	Wiedenhagen-Beta Gambit
A07	King's Indian Attack	Double Fianchetto
A07	King's Indian Attack	Keres Variation
A07	King's Indian Attack	Omega-Delta Gambit
A07	King's Indian Attack	Pachman System
A07	King's Indian Attack	Sicilian Variation
A07	King's Indian Attack	Yugoslav Variation
A07	King's Indian Attack with Nf6
A08	King's Indian Attack	French Variation
A08	King's Indian Attack with Nf3	Sicilian Variation
A08	Zukertort Opening	Reversed Grünfeld
A08	Zukertort Opening with Nf6	Reversed Grünfeld
A09	Réti Opening
A09	Réti Opening	Advance Variation
A09	Réti Opening	Advance Variation	Michel Gambit
A09	Réti Opening	Penguin Variation
A09	Réti Opening	Réti Accepted
A09	Réti Opening	Réti Gambit	Keres Variation
A09	Réti Opening	Reversed Blumenfeld Gambit
A09	Réti Opening	Zilbermints Gambit
A10	English Opening
A10	English Opening	Achilles-Omega Gambit
A10	English Opening	Adorjan Defense
A10	English Opening	Anglo-Dutch Defense
A10	English Opening	Anglo-Dutch Defense	Hickmann Gambit
A10	English Opening	Anglo-Dutch Variation	Chabanon Gambit
A10	English Opening	Anglo-Dutch Variation	Ferenc Gambit
A10	English Opening	Anglo-Lithuanian Variation
A10	English Opening	Anglo-Scandinavian Defense
A10	English Opening	Anglo-Scandinavian Defense	Löhn Gambit
A10	English Opening	Anglo-Scandinavian Defense	Malvinas Variation
A10	English Opening	Anglo-Scandinavian Defense	Schulz Gambit
A10	English Opening	Great Snake Variation
A10	English Opening	Jaenisch Gambit
A10	English Opening	Myers Defense
A10	English Opening	Myers Gambit
A10	English Opening	Porcupine Variation
A10	English Opening	Wade Gambit
A10	English Opening	Zilbermints Gambit
A11	English Opening	Caro-Kann Defensive System
A12	Réti Opening	Anglo-Slav Variation	Bled Variation
A12	Réti Opening	Anglo-Slav Variation	Bogoljubow Variation
A12	Réti Opening	Anglo-Slav Variation	Capablanca Variation
A12	Réti Opening	Anglo-Slav Variation	London Defensive System
A12	Réti Opening	Anglo-Slav Variation	New York System
A12	Réti Opening	Anglo-Slav Variation	Torre System
A12	Réti Opening with d5	Anglo-Slav Variation	Bogoljubow Variation
A13	English Opening	Agincourt Defense
A13	English Opening	Agincourt Defense	Bogoljubow Defense
A13	English Opening	Agincourt Defense	Catalan Defense
A13	English Opening	Agincourt Defense	Catalan Defense Accepted
A13	English Opening	Agincourt Defense	Kurajica Defense
A13	English Opening	Agincourt Defense	Tarrasch Defense
A13	English Opening	Agincourt Defense	Wimpy System
A13	English Opening	Neo-Catalan
A13	English Opening	Neo-Catalan Declined
A13	English Opening	Romanishin Gambit
A13	English Opening with b6	Agincourt Defense	Catalan Defense
A14	English Opening	Agincourt Defense	Keres Defense
A14	English Opening	Agincourt Defense	Neo-Catalan Declined
A15	English Opening	Anglo-Indian Defense
A15	English Opening	Anglo-Indian Defense	Anti-Anti-Grünfeld
A15	English Opening	Anglo-Indian Defense	Grünfeld Formation
A15	English Opening	Anglo-Indian Defense	King's Indian Formation
A15	English Opening	Anglo-Indian Defense	King's Knight Variation
A15	English Opening	Anglo-Indian Defense	Old Indian Formation
A15	English Opening	Anglo-Indian Defense	Queen's Indian Formation
A15	English Opening	Anglo-Indian Defense	Romanishin Variation
A15	English Opening	Anglo-Indian Defense	Scandinavian Defense
A15	English Opening	Anglo-Indian Defense	Slav Formation
A15	English Opening with Nf6	Anglo-Indian Defense	Queen's Indian Formation
A15	English Orangutan
A16	English Opening	Anglo-Grünfeld Defense
A16	English Opening	Anglo-Grünfeld Defense	Korchnoi Variation
A16	English Opening	Anglo-Indian Defense	Anglo-Grünfeld Variation
A16	English Opening	Anglo-Indian Defense	Queen's Knight Variation
A16	English Opening with Nf3	Anglo-Indian Defense	Anglo-Grünfeld Variation
A17	English Opening	Anglo-Indian Defense	Hedgehog System
A17	English Opening	Anglo-Indian Defense	Nimzo-English
A17	English Opening	Anglo-Indian Defense	Queen's Indian Variation
A17	English Opening	Anglo-Indian Defense	Zvjaginsev-Krasenkow Attack
A18	English Opening	Mikenas-Carls Variation
A18	English Opening with Nc6	Mikenas-Carls Variation
A19	English Opening	Mikenas-Carls	Sicilian
A20	English Opening	Drill Variation
A20	English Opening	King's English Variation
A20	English Opening	King's English Variation	Kahiko-Hula Gambit
A20	English Opening	King's English Variation	Nimzowitsch Variation
A20	English Opening	King's English Variation	Nimzowitsch-Flohr Variation
A21	English Opening	King's English Variation	Keres Defense
A21	English Opening	King's English Variation	Kramnik-Shirov Counterattack
A21	English Opening	King's English Variation	Reversed Sicilian
A21	English Opening	King's English Variation	Smyslov Defense
A21	English Opening	King's English Variation	Troger Defense
A22	English Opening	Carls-Bremen System
A22	English Opening	King's English	Erbenheimer Gambit
A22	English Opening	King's English	Mazedonisch
A22	English Opening	King's English Variation	Adhiban Gambit
A22	English Opening	King's English Variation	Bellon Gambit
A22	English Opening	King's English Variation	Two Knights Variation
A25	English Opening	Closed	Taimanov Variation
A25	English Opening	King's English Variation	Bremen-Hort Variation
A25	English Opening	King's English Variation	Closed System
A25	English Opening	King's English Variation	Hungarian Attack
A25	English Opening	King's English Variation	Reversed Closed Sicilian
A25	English Opening	King's English Variation	Taimanov Variation
A25	English Opening with Rb1	Closed	Taimanov Variation
A26	English Opening	King's English Variation	Botvinnik System
A27	English Opening	King's English Variation	Three Knights System
A28	English Opening	Four Knights System	Nimzowitsch Variation
A28	English Opening	King's English Variation	Four Knights Variation
A30	English Opening	Symmetrical Variation
A30	English Opening	Symmetrical Variation	Hedgehog Defense
A30	English Opening	Symmetrical Variation	Napolitano Gambit
A30	English Opening	Wing Gambit
A31	English Opening	Symmetrical Variation	Anti-Benoni Variation
A34	English Opening	Symmetrical Variation	Fianchetto Variation
A34	English Opening	Symmetrical Variation	Normal Variation
A34	English Opening	Symmetrical Variation	Rubinstein Variation
A34	English Opening	Symmetrical Variation	Three Knights Variation
A35	English Opening	Symmetrical Variation	Four Knights Variation
A35	English Opening	Symmetrical Variation	Two Knights Variation
A36	English Opening	Symmetrical Variation	Botvinnik System
A36	English Opening	Symmetrical Variation	Ultra-Symmetrical Variation
A38	English Opening	Symmetrical Variation	Double Fianchetto
A38	English Opening	Symmetrical Variation	Duchamp Variation
A38	English Opening	Symmetrical Variation	Full Symmetry Line
A39	English Opening	Symmetrical Variation	Mecking Variation
A40	Australian Defense
A40	Benoni Defense	Franco-Sicilian Hybrid
A40	Borg Defense	Borg Gambit
A40	Colle System	Pterodactyl Variation
A40	Colle System	Siroccopteryx Variation
A40	English Defense
A40	English Defense	Eastbourne Gambit
A40	English Defense	Hartlaub Gambit Accepted
A40	English Defense	Hartlaub Gambit Declined
A40	English Defense	Perrin Variation
A40	English Defense	Poli Gambit
A40	English Defense with b6
A40	Englund Gambit
A40	Englund Gambit	Felbecker Gambit
A40	Englund Gambit	Hartlaub-Charlick Gambit
A40	Englund Gambit	Main Line
A40	Englund Gambit	Mosquito Gambit
A40	Englund Gambit	Soller Gambit
A40	Englund Gambit	Soller Gambit Deferred
A40	Englund Gambit	Stockholm Variation
A40	Englund Gambit	Zilbermints Gambit
A40	Englund Gambit Declined
A40	Englund Gambit Declined	Diemer Counterattack
A40	Englund Gambit Declined	Reversed Alekhine
A40	Englund Gambit Declined	Reversed Brooklyn
A40	Englund Gambit Declined	Reversed French
A40	Englund Gambit Declined	Reversed Krebs
A40	Englund Gambit Declined	Reversed Mokele Mbembe
A40	Horwitz Defense
A40	Horwitz Defense	Zilbermints Gambit
A40	Kangaroo Defense
A40	Kangaroo Defense	Keres Defense	Transpositional Variation
A40	Mikenas Defense
A40	Mikenas Defense	Cannstatter Variation
A40	Mikenas Defense	Lithuanian Variation
A40	Mikenas Defense	Pozarek Gambit
A40	Modern Defense	Beefeater Variation
A40	Modern Defense	Lizard Defense	Pirc-Diemer Gambit
A40	Montevideo Defense
A40	Polish Defense
A40	Polish Defense	Spassky Gambit Accepted
A40	Pterodactyl Defense	Central	Benoni Beefeater Pterodactyl
A40	Pterodactyl Defense	Central	Benoni Pterodactyl
A40	Pterodactyl Defense	Fianchetto	Queen Benoni Pterodactyl
A40	Pterodactyl Defense	Fianchetto	Queen Pteranodon
A40	Pterodactyl Defense	Fianchetto	Queen Pterodactyl
A40	Pterodactyl Defense	Queen Pterodactyl	Quiet Line
A40	Queen's Pawn Game
A40	Queen's Pawn Game	Anglo-Slav Opening
A40	Queen's Pawn Game	Modern Defense
A40	Slav Indian	Kudischewitsch Gambit
A40	Zaire Defense
A41	Modern Defense
A41	Modern Defense	Neo-Modern Defense
A41	Old Indian Defense
A41	Rat Defense	English Rat
A41	Rat Defense	English Rat	Lisbon Gambit
A41	Rat Defense	English Rat	Pounds Gambit
A41	Robatsch Defense
A41	Wade Defense
A41	Zukertort Opening	Wade Defense	Chigorin Plan
A42	Modern Defense	Averbakh System
A42	Modern Defense	Averbakh Variation	Pseudo-Sämisch
A42	Modern Defense	Kotov Variation
A42	Modern Defense	Randspringer Variation
A42	Pterodactyl Defense
A42	Pterodactyl Defense	Central	Bogolubovia
A43	Benoni Defense	Benoni Gambit	Schlenker Defense
A43	Benoni Defense	Benoni Gambit Accepted
A43	Benoni Defense	Benoni-Indian Defense
A43	Benoni Defense	Benoni-Indian Defense	Kingside Move Order
A43	Benoni Defense	Benoni-Staunton Gambit
A43	Benoni Defense	Cormorant Gambit
A43	Benoni Defense	French Benoni
A43	Benoni Defense	Hawk Variation
A43	Benoni Defense	Old Benoni
A43	Benoni Defense	Old Benoni	Mujannah Formation
A43	Benoni Defense	Old Benoni	Schmid Variation
A43	Benoni Defense	Snail Variation
A43	Benoni Defense	Woozle
A43	Benoni Defense	Zilbermints-Benoni Gambit
A43	Benoni Defense	Zilbermints-Benoni Gambit	Tamarkin Countergambit
A43	Benoni Defense with b4	Zilbermints-Benoni Gambit
A43	Indian Defense	Pseudo-Benko
A43	Queen's Pawn Game	Liedmann Gambit
A44	Benoni Defense	Semi-Benoni
A44	Benoni Defense with d6	Old Benoni
A45	Amazon Attack	Siberian Attack
A45	Canard Opening
A45	Indian Defense
A45	Indian Defense	Gedult Attack	Gedult Attack
A45	Indian Defense	Gibbins-Weidenhagen Gambit
A45	Indian Defense	Gibbins-Weidenhagen Gambit	Maltese Falcon
A45	Indian Defense	Gibbins-Weidenhagen Gambit	Oshima Defense
A45	Indian Defense	Gibbins-Weidenhagen Gambit	Stummer Gambit
A45	Indian Defense	Gibbins-Weidenhagen Gambit Accepted
A45	Indian Defense	Lazard Gambit
A45	Indian Defense	Maddigan Gambit
A45	Indian Defense	Omega Gambit
A45	Indian Defense	Omega Gambit	Arafat Gambit
A45	Indian Defense	Paleface Attack	Blackmar-Diemer Gambit Deferred
A45	Indian Defense	Pawn Push Variation
A45	Indian Defense	Reversed Chigorin Defense
A45	Indian Defense	Tartakower Attack
A45	Paleface Attack
A45	Queen's Pawn Game	Chigorin Variation
A45	Queen's Pawn Game	Veresov	Richter Attack
A45	Trompowsky Attack
A45	Trompowsky Attack	Borg Variation
A45	Trompowsky Attack	Classical Defense
A45	Trompowsky Attack	Classical Defense	Big Center Variation
A45	Trompowsky Attack	Edge Variation
A45	Trompowsky Attack	Edge Variation	Hergert Gambit
A45	Trompowsky Attack	Poisoned Pawn Variation
A45	Trompowsky Attack	Raptor Variation
A45	Trompowsky Attack	Raptor Variation	Hergert Gambit
A45	Trompowsky Attack with c6	Edge Variation	Hergert Gambit
A46	Döry Defense
A46	Indian Defense	Czech-Indian
A46	Indian Defense	Knights Variation
A46	Indian Defense	Knights Variation	Alburt-Miles Variation
A46	Indian Defense	London System
A46	Indian Defense	Polish Variation
A46	Indian Defense	Spielmann-Indian
A46	Indian Defense	Wade-Tartakower Defense
A46	Queen's Pawn Game	Torre Attack	Breyer Variation
A46	Queen's Pawn Game	Veresov Attack	Classical Defense
A46	Torre Attack	Classical Defense
A46	Torre Attack	Classical Defense	Nimzowitsch Variation
A46	Torre Attack	Classical Defense	Petrosian Gambit
A46	Torre Attack	Wagner Gambit
A46	Yusupov-Rubinstein System
A47	Indian Defense	Schnepper Gambit
A47	Marienbad System
A47	Marienbad System	Berg Variation
A47	Pseudo Queen's Indian Defense
A48	East Indian Defense
A48	Indian Defense	Colle System	King's Indian Variation
A48	London System
A48	Queen's Pawn Game	Barry Attack
A48	Queen's Pawn Game	Barry Attack	Grünfeld Variation
A48	Queen's Pawn Game	Barry Attack	Tarzan Attack
A48	Torre Attack	Fianchetto Defense
A48	Torre Attack	Fianchetto Defense	Euwe Variation
A49	Indian Defense	Przepiorka Variation
A50	Indian Defense	Medusa Gambit
A50	Indian Defense	Normal Variation
A50	Indian Defense	Pyrenees Gambit
A50	Mexican Defense
A50	Mexican Defense	Horsefly Gambit
A50	Queen's Indian Accelerated
A50	Slav Indian
A51	Indian Defense	Budapest Defense
A51	Indian Defense	Budapest Defense	Fajarowicz Variation
A51	Indian Defense	Budapest Defense	Fajarowicz-Steiner Variation
A52	Indian Defense	Budapest Defense	Adler Variation
A52	Indian Defense	Budapest Defense	Alekhine Variation
A52	Indian Defense	Budapest Defense	Rubinstein Variation
A53	Old Indian Defense	Aged Gibbon Gambit
A53	Old Indian Defense	Czech Variation	with Nc3
A53	Old Indian Defense	Czech Variation	with Nf3
A53	Old Indian Defense	Janowski Variation
A53	Old Indian Defense	Janowski Variation	Fianchetto Variation
A53	Old Indian Defense	Janowski Variation	Grinberg Gambit
A53	Old Indian Defense	Janowski Variation	Main Line
A53	Old Indian Defense with d6
A54	Old Indian Defense	Duz-Khotimirsky Variation
A54	Old Indian Defense	Tartakower-Indian
A54	Old Indian Defense	Two Knights Variation
A54	Old Indian Defense	Ukrainian Variation
A55	Old Indian Defense	Normal Variation
A56	Benoni Defense
A56	Benoni Defense	Czech Benoni Defense
A56	Benoni Defense	Hromádka System
A56	Benoni Defense	King's Indian System
A56	Benoni Defense	Weenink Variation
A56	Vulture Defense
A57	Benko Gambit
A57	Benko Gambit	Mutkin Countergambit
A57	Benko Gambit	Nescafe Frappe Attack
A57	Benko Gambit	Zaitsev System
A57	Benko Gambit	Zaitsev Variation	Nescafe Frappe Attack
A57	Benko Gambit Accepted
A57	Benko Gambit Accepted	Dlugy Variation
A57	Benko Gambit Accepted	Modern Variation
A57	Benko Gambit Accepted	Pawn Return Variation
A57	Benko Gambit Declined	Bishop Attack
A57	Benko Gambit Declined	Hjørring Countergambit
A57	Benko Gambit Declined	Main Line
A57	Benko Gambit Declined	Pseudo-Sämisch
A57	Benko Gambit Declined	Quiet Line
A57	Benko Gambit Declined	Sosonko Variation
A58	Benko Gambit	Fianchetto Variation
A58	Benko Gambit	Nd2 Variation
A58	Benko Gambit Accepted	Central Storming Variation
A58	Benko Gambit Accepted	Fianchetto Variation
A58	Benko Gambit Accepted	Fully Accepted Variation
A59	Benko Gambit Accepted	King Walk Variation
A59	Benko Gambit Accepted	Yugoslav
A59	Benko Gambit Accepted with Bxa6	Yugoslav
A60	Benoni Defense	Modern Variation
A60	Benoni Defense	Modern Variation	Snake Variation
A61	Benoni Defense	Fianchetto Variation
A61	Benoni Defense	Knight's Tour Variation
A61	Benoni Defense	Uhlmann Variation
A61	Benoni Defense with c5
A62	Benoni Defense with Nf3	Fianchetto Variation
A63	Benoni Defense	Fianchetto Variation	Hastings Defense
A65	Benoni Defense	King's Pawn Line
A66	Benoni Defense	Mikenas Variation
A66	Benoni Defense	Pawn Storm Variation
A67	Benoni Defense	Taimanov Variation
A68	Benoni Defense	Four Pawns Attack
A69	Benoni Defense	Four Pawns Attack	Main Line
A70	Benoni Defense	Classical Variation
A70	Benoni Defense	Classical Variation	New York Variation
A70	Benoni Defense	Classical Variation	Traditional Variation
A71	Benoni Defense	Classical Variation	Averbakh-Grivas Attack
A72	Benoni Defense with e6	Classical Variation
A73	Benoni Defense	Classical Variation	Main Line
A74	Benoni Defense	Classical Variation	Full Line
A75	Benoni Defense	Classical Variation	Argentine Counterattack
A76	Benoni Defense	Classical Variation	Czerniak Defense
A78	Benoni Defense with c5	Classical Variation	Czerniak Defense
A80	Dutch Defense
A80	Dutch Defense	Alapin Variation
A80	Dutch Defense	Hevendehl Gambit
A80	Dutch Defense	Hopton Attack
A80	Dutch Defense	Janzen-Korchnoi Gambit
A80	Dutch Defense	Kingfisher Gambit
A80	Dutch Defense	Korchnoi Attack
A80	Dutch Defense	Krejcik Gambit
A80	Dutch Defense	Krejcik Gambit	Tate Gambit
A80	Dutch Defense	Manhattan Gambit	Anti-Classical Line
A80	Dutch Defense	Manhattan Gambit	Anti-Leningrad
A80	Dutch Defense	Manhattan Gambit	Anti-Modern
A80	Dutch Defense	Manhattan Gambit	Anti-Stonewall
A80	Dutch Defense	Omega-Isis Gambit
A80	Dutch Defense	Raphael Variation
A80	Dutch Defense	Senechaud Gambit
A80	Dutch Defense	Spielmann Gambit
A80	Queen's Pawn Game	Veresov Attack	Dutch System
A81	Dutch Defense	Blackburne Variation
A81	Dutch Defense	Fianchetto Attack
A81	Dutch Defense	Leningrad	Basman System
A81	Dutch Defense	Leningrad Variation	Carlsbad Variation
A81	Dutch Defense	Semi-Leningrad Variation
A82	Dutch Defense	Blackmar's Second Gambit
A82	Dutch Defense	Staunton Gambit
A82	Dutch Defense	Staunton Gambit	American Attack
A82	Dutch Defense	Staunton Gambit	Tartakower Variation
A82	Dutch Defense	Staunton Gambit Accepted
A82	Rat Defense	Balogh Defense
A83	Dutch Defense	Staunton Gambit	Alekhine Variation
A83	Dutch Defense	Staunton Gambit	Chigorin Variation
A83	Dutch Defense	Staunton Gambit	Lasker Variation
A83	Dutch Defense	Staunton Gambit	Nimzowitsch Variation
A84	Dutch Defense	Bellon Gambit
A84	Dutch Defense	Bladel Variation
A84	Dutch Defense	Classical Variation
A84	Dutch Defense	Krause Variation
A84	Dutch Defense	Normal Variation
A84	Dutch Defense	Rubinstein Variation
A85	Dutch Defense	Queen's Knight Variation
A86	Dutch Defense	Fianchetto Variation
A86	Dutch Defense	Hort-Antoshin System
A86	Dutch Defense	Leningrad Variation
A88	Dutch Defense	Leningrad Variation	Warsaw Variation
A89	Dutch Defense	Leningrad Variation	Matulovic Variation
A90	Dutch Defense	Nimzo-Dutch Variation
A90	Dutch Defense	Nimzo-Dutch Variation	Alekhine Variation
A90	Dutch Defense	Stonewall Variation	Modern Variation
A90	Dutch Defense with e6	Classical Variation
A91	Dutch Defense	Classical Variation	Blackburne Attack
A92	Dutch Defense	Alekhine Variation
A92	Dutch Defense	Stonewall Variation
A92	Dutch Defense with Nc3	Stonewall Variation
A93	Dutch Defense	Stonewall Variation	Botvinnik Variation
A95	Dutch Defense	Stonewall Variation	Chekhover Variation
A96	Dutch Defense	Classical Variation	Buenos Aires Variation
A96	Dutch Defense	Classical Variation	Huisl Variation
A97	Dutch Defense	Classical Variation	Ilyin-Zhenevsky Variation
B00	Barnes Defense
B00	Borg Defense
B00	Borg Defense	Troon Gambit
B00	Borg Defense	Zilbermints Gambit
B00	Borg Defense with d4	Borg Gambit
B00	Carr Defense
B00	Carr Defense	Zilbermints Gambit
B00	Duras Gambit
B00	Fried Fox Defense
B00	Goldsmith Defense
B00	Goldsmith Defense	Picklepuss Defense
B00	Guatemala Defense
B00	Hippopotamus Defense
B00	King's Pawn Game
B00	Lemming Defense
B00	Lion Defense	Lion's Jaw
B00	Nimzowitsch Defense
B00	Nimzowitsch Defense	Breyer Variation
B00	Nimzowitsch Defense	Colorado Countergambit
B00	Nimzowitsch Defense	Colorado Countergambit Accepted
B00	Nimzowitsch Defense	Declined Variation
B00	Nimzowitsch Defense	El Columpio Defense
B00	Nimzowitsch Defense	El Columpio Defense	El Columpio Gambit
B00	Nimzowitsch Defense	El Columpio Defense	Exchange Variation
B00	Nimzowitsch Defense	El Columpio Defense	Pin Variation
B00	Nimzowitsch Defense	Franco-Nimzowitsch Variation
B00	Nimzowitsch Defense	French Connection
B00	Nimzowitsch Defense	Hornung Gambit
B00	Nimzowitsch Defense	Kennedy Variation
B00	Nimzowitsch Defense	Kennedy Variation	Bielefelder Gambit
B00	Nimzowitsch Defense	Kennedy Variation	de Smet Gambit
B00	Nimzowitsch Defense	Kennedy Variation	Hammer Gambit
B00	Nimzowitsch Defense	Kennedy Variation	Herford Gambit
B00	Nimzowitsch Defense	Kennedy Variation	Keres Attack
B00	Nimzowitsch Defense	Kennedy Variation	Linksspringer Variation
B00	Nimzowitsch Defense	Kennedy Variation	Main Line
B00	Nimzowitsch Defense	Kennedy Variation	Paulsen Attack
B00	Nimzowitsch Defense	Kennedy Variation	Riemann Defense
B00	Nimzowitsch Defense	Mikenas Variation
B00	Nimzowitsch Defense	Neo-Mongoloid Defense
B00	Nimzowitsch Defense	Pirc Connection
B00	Nimzowitsch Defense	Pseudo-Spanish Variation
B00	Nimzowitsch Defense	Scandinavian Variation
B00	Nimzowitsch Defense	Scandinavian Variation	Aachen Gambit
B00	Nimzowitsch Defense	Scandinavian Variation	Advance Variation
B00	Nimzowitsch Defense	Scandinavian Variation	Bogoljubow Variation
B00	Nimzowitsch Defense	Scandinavian Variation	Exchange Variation
B00	Nimzowitsch Defense	Wheeler Gambit
B00	Nimzowitsch Defense	Williams Variation
B00	Nimzowitsch Defense	Woodchuck Variation
B00	Owen Defense
B00	Owen Defense	Hekili-Loa Gambit
B00	Owen Defense	Matovinsky Gambit
B00	Owen Defense	Naselwaus Gambit
B00	Owen Defense	Smith Gambit
B00	Owen Defense	Unicorn Variation
B00	Owen Defense	Wind Gambit
B00	Pirc Defense
B00	Pirc Defense	Roscher Gambit
B00	Rat Defense	Antal Defense
B00	Rat Defense	Fuller Gambit
B00	Rat Defense	Harmonist
B00	Rat Defense	Petruccioli Attack
B00	Rat Defense	Spike Attack
B00	St. George Defense
B00	St. George Defense	Polish Variation
B00	St. George Defense	San Jorge Variation
B00	St. George Defense	Zilbermints Gambit
B00	Van Geet Opening	Berlin Gambit
B00	Ware Defense
B00	Ware Defense	Snagglepuss Defense
B01	Scandinavian Defense
B01	Scandinavian Defense	Anderssen Counterattack
B01	Scandinavian Defense	Anderssen Counterattack	Collijn Variation
B01	Scandinavian Defense	Anderssen Counterattack	Goteborg System
B01	Scandinavian Defense	Anderssen Counterattack	Orthodox Attack
B01	Scandinavian Defense	Blackburne Gambit
B01	Scandinavian Defense	Blackburne-Kloosterboer Gambit
B01	Scandinavian Defense	Boehnke Gambit
B01	Scandinavian Defense	Bronstein Variation
B01	Scandinavian Defense	Classical Variation
B01	Scandinavian Defense	Grünfeld Variation
B01	Scandinavian Defense	Gubinsky-Melts Defense
B01	Scandinavian Defense	Icelandic-Palme Gambit
B01	Scandinavian Defense	Kádas Gambit
B01	Scandinavian Defense	Kiel Variation
B01	Scandinavian Defense	Kloosterboer Gambit
B01	Scandinavian Defense	Lasker Variation
B01	Scandinavian Defense	Main Line
B01	Scandinavian Defense	Main Line	Leonhardt Gambit
B01	Scandinavian Defense	Main Line	Mieses Variation
B01	Scandinavian Defense	Marshall Variation
B01	Scandinavian Defense	Mieses-Kotroc Variation
B01	Scandinavian Defense	Modern Variation
B01	Scandinavian Defense	Modern Variation	Gipslis Variation
B01	Scandinavian Defense	Modern Variation	Wing Gambit
B01	Scandinavian Defense	Panov Transfer
B01	Scandinavian Defense	Portuguese Gambit
B01	Scandinavian Defense	Portuguese Gambit	Banker Variation
B01	Scandinavian Defense	Portuguese Gambit	Classical Variation
B01	Scandinavian Defense	Portuguese Gambit	Correspondence Refutation
B01	Scandinavian Defense	Portuguese Gambit	Elbow Variation
B01	Scandinavian Defense	Portuguese Gambit	Jadoul Variation
B01	Scandinavian Defense	Portuguese Gambit	Lusophobe Variation
B01	Scandinavian Defense	Portuguese Gambit	Melbourne Shuffle Variation
B01	Scandinavian Defense	Portuguese Gambit	Wuss Variation
B01	Scandinavian Defense	Richter Variation
B01	Scandinavian Defense	Schiller-Pytel Variation
B01	Scandinavian Defense	Schiller-Pytel Variation	Modern Variation
B01	Scandinavian Defense	Valencian Variation
B01	Scandinavian Defense	Valencian Variation	Ilundain Variation
B01	Scandinavian Defense	Valencian Variation	Main Line
B01	Scandinavian Defense	Zilbermints Gambit
B01	Scandinavian Defense with Nxd5	Richter Variation
B01	Van Geet Opening	Grünfeld Defense
B02	Alekhine Defense
B02	Alekhine Defense	Brooklyn Variation
B02	Alekhine Defense	Brooklyn Variation	Everglades Variation
B02	Alekhine Defense	Buckley Attack
B02	Alekhine Defense	Hunt Variation	Lasker Simul Gambit
B02	Alekhine Defense	Hunt Variation	Matsukevich Gambit
B02	Alekhine Defense	Hunt Variation	Mikenas Gambit
B02	Alekhine Defense	Kmoch Variation
B02	Alekhine Defense	Krejcik Variation
B02	Alekhine Defense	Krejcik Variation	Krejcik Gambit
B02	Alekhine Defense	Maróczy Variation
B02	Alekhine Defense	Mokele Mbembe
B02	Alekhine Defense	Mokele Mbembe	Modern Line
B02	Alekhine Defense	Mokele Mbembe	Vavra Defense
B02	Alekhine Defense	Normal Variation
B02	Alekhine Defense	Sämisch Attack
B02	Alekhine Defense	Scandinavian Variation
B02	Alekhine Defense	Scandinavian Variation	Geschev Gambit
B02	Alekhine Defense	Scandinavian Variation	Myers Gambit
B02	Alekhine Defense	Spielmann Gambit
B02	Alekhine Defense	Steiner Variation
B02	Alekhine Defense	The Squirrel
B02	Alekhine Defense	Two Pawns Attack
B02	Alekhine Defense	Two Pawns Attack	Lasker Variation
B02	Alekhine Defense	Two Pawns Attack	Mikenas Variation
B02	Alekhine Defense	Two Pawns Attack	Tate Variation
B02	Alekhine Defense	Welling Variation
B03	Alekhine Defense	Balogh Variation
B03	Alekhine Defense	Exchange Variation
B03	Alekhine Defense	Exchange Variation	Karpov Variation
B03	Alekhine Defense	Exchange Variation	Voronezh Variation
B03	Alekhine Defense	Four Pawns Attack
B03	Alekhine Defense	Four Pawns Attack	Cambridge Gambit
B03	Alekhine Defense	Four Pawns Attack	Fianchetto Variation
B03	Alekhine Defense	Four Pawns Attack	Ilyin-Zhenevsky Variation
B03	Alekhine Defense	Four Pawns Attack	Korchnoi Variation
B03	Alekhine Defense	Four Pawns Attack	Main Line
B03	Alekhine Defense	Four Pawns Attack	Tartakower Variation
B03	Alekhine Defense	Four Pawns Attack	Trifunovic Variation
B03	Alekhine Defense	Hunt Variation
B03	Alekhine Defense	Modern Variation	Alekhine Gambit
B03	Alekhine Defense	O'Sullivan Gambit
B04	Alekhine Defense	Modern Variation
B04	Alekhine Defense	Modern Variation	Alburt Variation
B04	Alekhine Defense	Modern Variation	Keres Variation
B04	Alekhine Defense	Modern Variation	Larsen Variation
B04	Alekhine Defense	Modern Variation	Larsen-Haakert Variation
B04	Alekhine Defense	Modern Variation	Schmid Variation
B05	Alekhine Defense	Modern Variation	Alekhine Variation
B05	Alekhine Defense	Modern Variation	Flohr Variation
B05	Alekhine Defense	Modern Variation	Main Line
B05	Alekhine Defense	Modern Variation	Panov Variation
B05	Alekhine Defense	Modern Variation	Vitolins Attack
B06	Modern Defense	Anti-Modern
B06	Modern Defense	Bishop Attack
B06	Modern Defense	Bishop Attack	Bücker Gambit
B06	Modern Defense	Bishop Attack	Monkey's Bum
B06	Modern Defense	Dunworthy Variation
B06	Modern Defense	Fianchetto Gambit
B06	Modern Defense	Gurgenidze Defense
B06	Modern Defense	Lizard Defense	Mittenberger Gambit
B06	Modern Defense	Masur Gambit
B06	Modern Defense	Modern Pterodactyl
B06	Modern Defense	Mongredien Defense	with Nc3
B06	Modern Defense	Mongredien Defense	with Nf3
B06	Modern Defense	Norwegian Defense
B06	Modern Defense	Norwegian Defense	Norwegian Gambit
B06	Modern Defense	Pseudo-Austrian Attack
B06	Modern Defense	Semi-Averbakh Variation	Pterodactyl Variation Declined
B06	Modern Defense	Standard Defense
B06	Modern Defense	Standard Line
B06	Modern Defense	Three Pawns Attack
B06	Modern Defense	Two Knights Variation
B06	Modern Defense	Two Knights Variation	Suttles Variation
B06	Modern Defense	Westermann Gambit
B06	Modern Defense	Wind Gambit
B06	Modern Defense with d4
B06	Pterodactyl Defense	Austrian	Austriadactylus Western
B06	Pterodactyl Defense	Austrian	Grand Prix Pterodactyl
B06	Pterodactyl Defense	Austrian	Pteranodon
B06	Pterodactyl Defense	Central	Anhanguera
B06	Pterodactyl Defense	Central	Benoni Quetzalcoatlus
B06	Pterodactyl Defense	Central	Quetzalcoatlus Gambit
B06	Pterodactyl Defense	Eastern	Anhanguera
B06	Pterodactyl Defense	Eastern	Benoni
B06	Pterodactyl Defense	Eastern	Benoni Pteranodon
B06	Pterodactyl Defense	Eastern	Benoni Pterodactyl
B06	Pterodactyl Defense	Eastern	Pteranodon
B06	Pterodactyl Defense	Eastern	Pterodactyl
B06	Pterodactyl Defense	Eastern	Rhamphorhynchus
B06	Pterodactyl Defense	Fianchetto	King Pterodactyl
B06	Pterodactyl Defense	Fianchetto	Rhamphorhynchus
B06	Pterodactyl Defense	Sicilian	Quetzalcoatlus
B06	Pterodactyl Defense	Sicilian	Siroccopteryx
B06	Pterodactyl Defense	Western	Anhanguera
B06	Pterodactyl Defense	Western	Siroccopteryx
B06	Rat Defense	Accelerated Gurgenidze
B07	Czech Defense
B07	King's Pawn Game	Maróczy Defense
B07	Lion Defense	Anti-Philidor
B07	Lion Defense	Anti-Philidor	Lion's Cave
B07	Lion Defense	Bayonet Attack
B07	Modern Defense	Geller's System
B07	Pirc Defense	150 Attack
B07	Pirc Defense	150 Attack	Inner Doll Defense
B07	Pirc Defense	150 Attack	Sveshnikov-Jansa Attack
B07	Pirc Defense	Bayonet Attack
B07	Pirc Defense	Byrne Variation
B07	Pirc Defense	Chinese Variation
B07	Pirc Defense	Kholmov System
B07	Pirc Defense	Sveshnikov System
B08	Pirc Defense	Classical Variation
B08	Pirc Defense	Classical Variation	Quiet System
B08	Pirc Defense	Classical Variation	Schlechter Variation
B09	Pirc Defense	Austrian Attack
B09	Pirc Defense	Austrian Attack	Dragon Formation
B09	Pirc Defense	Austrian Attack	Kurajica Variation
B09	Pirc Defense	Austrian Attack	Ljubojevic Variation
B09	Pirc Defense	Austrian Attack	Unzicker Attack
B09	Pirc Defense	Austrian Attack	Weiss Variation
B10	Caro-Kann Defense
B10	Caro-Kann Defense	Accelerated Panov Attack
B10	Caro-Kann Defense	Accelerated Panov Attack	Modern Variation
B10	Caro-Kann Defense	Accelerated Panov Attack	Open Variation
B10	Caro-Kann Defense	Accelerated Panov Attack	Pseudo-Scandinavian
B10	Caro-Kann Defense	Accelerated Panov Attack	Van Weersel Attack
B10	Caro-Kann Defense	Apocalypse Attack
B10	Caro-Kann Defense	Breyer Variation
B10	Caro-Kann Defense	Breyer Variation	Stein Attack
B10	Caro-Kann Defense	Endgame Offer
B10	Caro-Kann Defense	Endgame Variation
B10	Caro-Kann Defense	Euwe Attack
B10	Caro-Kann Defense	Goldman Variation
B10	Caro-Kann Defense	Hector Gambit
B10	Caro-Kann Defense	Hillbilly Attack
B10	Caro-Kann Defense	Hillbilly Attack	Schaeffer Gambit
B10	Caro-Kann Defense	Labahn Attack
B10	Caro-Kann Defense	Labahn Attack	Double Gambit
B10	Caro-Kann Defense	Labahn Attack	Polish Variation
B10	Caro-Kann Defense	Scorpion-Horus Gambit
B10	Caro-Kann Defense	Spike Variation
B10	Caro-Kann Defense	Spike Variation	Scorpion-Grob Gambit
B10	Caro-Kann Defense	St. Patrick's Attack
B10	Caro-Kann Defense	Toikkanen Gambit
B10	Caro-Kann Defense	Two Knights Attack
B11	Caro-Kann Defense	Two Knights Attack	Mindeno Variation
B12	Caro-Kann Defense	Advance	Short Variation
B12	Caro-Kann Defense	Advance Variation
B12	Caro-Kann Defense	Advance Variation	Bayonet Attack
B12	Caro-Kann Defense	Advance Variation	Botvinnik-Carls Defense
B12	Caro-Kann Defense	Advance Variation	Bronstein Variation
B12	Caro-Kann Defense	Advance Variation	Prins Attack
B12	Caro-Kann Defense	Advance Variation	Short Variation
B12	Caro-Kann Defense	Advance Variation	Tal Variation
B12	Caro-Kann Defense	Advance Variation	Van der Wiel Attack
B12	Caro-Kann Defense	De Bruycker Defense
B12	Caro-Kann Defense	Edinburgh Variation
B12	Caro-Kann Defense	Maróczy Variation
B12	Caro-Kann Defense	Maróczy Variation	Maróczy Gambit
B12	Caro-Kann Defense	Masi Variation
B12	Caro-Kann Defense	Massachusetts Defense
B12	Caro-Kann Defense	Mieses Attack	Landau Gambit
B12	Caro-Kann Defense	Mieses Gambit
B12	Caro-Kann Defense	Modern Variation
B12	Caro-Kann Defense	Ulysses Gambit
B12	Caro-Kann Defense with Nc3
B13	Caro-Kann Defense	Exchange Variation
B13	Caro-Kann Defense	Exchange Variation	Bulla Attack
B13	Caro-Kann Defense	Exchange Variation	Rubinstein Variation
B13	Caro-Kann Defense	Panov Attack
B13	Caro-Kann Defense	Panov Attack	Gunderam Attack
B13	Caro-Kann Defense	Panov Attack	Modern Defense
B13	Caro-Kann Defense	Panov-Botvinnik	Herzog Defense
B14	Caro-Kann Defense	Panov Attack	Fianchetto Defense
B14	Caro-Kann Defense	Panov Attack	Main Line
B15	Caro-Kann Defense	Alekhine Gambit
B15	Caro-Kann Defense	Alien Gambit
B15	Caro-Kann Defense	Campomanes Attack
B15	Caro-Kann Defense	Forgacs Variation
B15	Caro-Kann Defense	Gurgenidze Counterattack
B15	Caro-Kann Defense	Gurgenidze System
B15	Caro-Kann Defense	Main Line
B15	Caro-Kann Defense	Rasa-Studier Gambit
B15	Caro-Kann Defense	Tartakower Variation
B15	Caro-Kann Defense	von Hennig Gambit
B16	Caro-Kann Defense	Bronstein-Larsen Variation
B16	Caro-Kann Defense	Finnish Variation
B17	Caro-Kann Defense	Karpov Variation
B17	Caro-Kann Defense	Karpov Variation	Modern Main Line
B17	Caro-Kann Defense	Karpov Variation	Modern Variation
B17	Caro-Kann Defense	Karpov Variation	Smyslov Variation
B17	Caro-Kann Defense	Karpov Variation	Tiviakov-Fischer Attack
B18	Caro-Kann Defense	Classical Variation
B18	Caro-Kann Defense	Classical Variation	Flohr Variation
B18	Caro-Kann Defense	Classical Variation	Main Line
B18	Caro-Kann Defense	Classical Variation	Maróczy Attack
B19	Caro-Kann Defense	Classical Variation	Lobron System
B19	Caro-Kann Defense	Classical Variation	Seirawan Variation
B19	Caro-Kann Defense	Classical Variation	Spassky Variation
B20	Sicilian Defense
B20	Sicilian Defense	Amazon Attack
B20	Sicilian Defense	Big Clamp Formation
B20	Sicilian Defense	Bowdler Attack
B20	Sicilian Defense	Brick Variation
B20	Sicilian Defense	Euwe Attack	Prins Gambit
B20	Sicilian Defense	Gloria Variation
B20	Sicilian Defense	Grob Variation
B20	Sicilian Defense	Keres Variation
B20	Sicilian Defense	King David's Opening
B20	Sicilian Defense	Kronberger Variation
B20	Sicilian Defense	Kronberger Variation	Nemeth Gambit
B20	Sicilian Defense	Lasker-Dunne Attack
B20	Sicilian Defense	Mengarini Variation
B20	Sicilian Defense	Myers Attack	with a4
B20	Sicilian Defense	Myers Attack	with h4
B20	Sicilian Defense	Snyder Variation
B20	Sicilian Defense	Snyder Variation	Queen Fianchetto Variation
B20	Sicilian Defense	Staunton-Cochrane Variation
B20	Sicilian Defense	Wing Gambit
B20	Sicilian Defense	Wing Gambit	Abrahams Variation
B20	Sicilian Defense	Wing Gambit	Carlsbad Variation
B20	Sicilian Defense	Wing Gambit	Marienbad Variation
B20	Sicilian Defense	Wing Gambit	Marshall Variation
B20	Sicilian Defense	Wing Gambit	Nanu Gambit
B20	Sicilian Defense	Wing Gambit	Romanian Defense
B20	Sicilian Defense	Wing Gambit	Santasiere Variation
B21	Bird Opening	Dutch Variation	Batavo Gambit
B21	Sicilian Defense	Coles Sicilian Gambit
B21	Sicilian Defense	Halasz Gambit
B21	Sicilian Defense	McDonnell Attack
B21	Sicilian Defense	McDonnell Attack	Tal Gambit
B21	Sicilian Defense	Morphy Gambit
B21	Sicilian Defense	Morphy Gambit	Andreaschek Gambit
B21	Sicilian Defense	Smith-Morra Gambit
B21	Sicilian Defense	Smith-Morra Gambit	Chicago Defense
B21	Sicilian Defense	Smith-Morra Gambit	Danish Variation
B21	Sicilian Defense	Smith-Morra Gambit Accepted
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Chicago Defense
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Classical Formation
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Fianchetto Defense
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Finegold Defense
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Kan Formation
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Larsen Defense
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Morphy Defense
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Morphy Defense Deferred
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Paulsen Formation
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Pin Defense
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Scheveningen Formation
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Siberian Variation
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Sozin Formation
B21	Sicilian Defense	Smith-Morra Gambit Accepted	Taimanov Formation
B21	Sicilian Defense	Smith-Morra Gambit Declined	Alapin Formation
B21	Sicilian Defense	Smith-Morra Gambit Declined	Center Formation
B21	Sicilian Defense	Smith-Morra Gambit Declined	Dubois Variation
B21	Sicilian Defense	Smith-Morra Gambit Declined	Push Variation
B21	Sicilian Defense	Smith-Morra Gambit Declined	Scandinavian Formation
B21	Sicilian Defense	Smith-Morra Gambit Declined	Wing Formation
B22	Sicilian Defense	Alapin Variation
B22	Sicilian Defense	Alapin Variation	Barmen Defense
B22	Sicilian Defense	Alapin Variation	Smith-Morra Declined
B22	Sicilian Defense	Alapin Variation	Stoltz Attack
B22	Sicilian Defense	Heidenfeld Variation
B23	Sicilian Defense	Closed
B23	Sicilian Defense	Closed	Chameleon Variation
B23	Sicilian Defense	Closed	Grob Attack
B23	Sicilian Defense	Closed	Korchnoi Defense
B23	Sicilian Defense	Closed	Traditional
B23	Sicilian Defense	Grand Prix Attack
B23	Sicilian Defense	Grand Prix Attack	Schofman Variation
B24	Sicilian Defense	Closed	Fianchetto Variation
B24	Sicilian Defense	Closed	Smyslov Variation
B24	Sicilian Defense with e6	Closed
B27	Modern Defense	Pterodactyl Variation
B27	Pterodactyl Defense	Sicilian	Anhanguera
B27	Pterodactyl Defense	Sicilian	Benoni Gambit
B27	Pterodactyl Defense	Sicilian	Pteranodon
B27	Pterodactyl Defense	Sicilian	Rhamphorhynchus
B27	Pterodactyl Defense	Sicilian	Unpin
B27	Pterodactyl Defense	Western	Pterodactyl
B27	Pterodactyl Defense	Western	Rhamphorhynchus
B27	Sicilian Defense	Acton Extension
B27	Sicilian Defense	Brussels Gambit
B27	Sicilian Defense	Bücker Variation
B27	Sicilian Defense	Double-Dutch Gambit
B27	Sicilian Defense	Frederico Variation
B27	Sicilian Defense	Hyperaccelerated Dragon
B27	Sicilian Defense	Hyperaccelerated Fianchetto
B27	Sicilian Defense	Hyperaccelerated Pterodactyl
B27	Sicilian Defense	Hyperaccelerated Pterodactyl	Exchange Variation
B27	Sicilian Defense	Jalalabad Variation
B27	Sicilian Defense	Katalimov Variation
B27	Sicilian Defense	Mongoose Variation
B27	Sicilian Defense	Polish Gambit
B27	Sicilian Defense	Quinteros Variation
B28	Sicilian Defense	O'Kelly Variation
B28	Sicilian Defense	O'Kelly Variation	Aronin System
B28	Sicilian Defense	O'Kelly Variation	Kieseritzky System
B28	Sicilian Defense	O'Kelly Variation	Maróczy Bind
B28	Sicilian Defense	O'Kelly Variation	Normal System
B28	Sicilian Defense	O'Kelly Variation	Quiet System
B28	Sicilian Defense	O'Kelly Variation	Réti System
B28	Sicilian Defense	O'Kelly Variation	Venice System
B28	Sicilian Defense	O'Kelly Variation	Wing Gambit
B28	Sicilian Defense	O'Kelly Variation	Yerevan System
B29	Sicilian Defense	Nimzowitsch Variation
B29	Sicilian Defense	Nimzowitsch Variation	Advance Variation
B29	Sicilian Defense	Nimzowitsch Variation	Closed Variation
B29	Sicilian Defense	Nimzowitsch Variation	Exchange Variation
B29	Sicilian Defense	Nimzowitsch Variation	Main Line
B30	Sicilian Defense	Nyezhmetdinov-Rossolimo Attack
B30	Sicilian Defense	Nyezhmetdinov-Rossolimo Attack	San Francisco Gambit
B30	Sicilian Defense	Old Sicilian
B30	Sicilian Defense	Portsmouth Gambit
B30	Sicilian Defense	Rossolimo Variation	Brooklyn Retreat Defense
B31	Sicilian Defense	Nyezhmetdinov-Rossolimo Attack	Fianchetto Variation
B31	Sicilian Defense	Nyezhmetdinov-Rossolimo Attack	Gurgenidze Variation
B32	Sicilian Defense	Accelerated Dragon
B32	Sicilian Defense	Flohr Variation
B32	Sicilian Defense	Franco-Sicilian Variation
B32	Sicilian Defense	Godiva Variation
B32	Sicilian Defense	Kalashnikov Variation
B32	Sicilian Defense	Löwenthal Variation
B32	Sicilian Defense	Nimzo-American Variation
B32	Sicilian Defense	Open
B33	Sicilian Defense	Four Knights Variation	Cobra Variation
B33	Sicilian Defense	Lasker-Pelikan Variation
B33	Sicilian Defense	Lasker-Pelikan Variation	Bird Variation
B33	Sicilian Defense	Lasker-Pelikan Variation	Exchange Variation
B33	Sicilian Defense	Lasker-Pelikan Variation	Retreat Variation
B33	Sicilian Defense	Lasker-Pelikan Variation	Schlechter Variation
B33	Sicilian Defense	Lasker-Pelikan Variation	Sveshnikov Variation
B34	Sicilian Defense	Accelerated Dragon	Exchange Variation
B34	Sicilian Defense	Accelerated Dragon	Modern Variation
B35	Sicilian Defense	Accelerated Dragon	Modern Bc4 Variation
B35	Sicilian Defense	Dragon Variation	Modern Bc4 Variation
B36	Sicilian Defense	Accelerated Dragon	Maróczy Bind
B37	Sicilian Defense	Accelerated Dragon	Simagin Variation
B40	Sicilian Defense	Alapin Variation	Sherzer Variation
B40	Sicilian Defense	Delayed Alapin Variation	with e6
B40	Sicilian Defense	Drazic Variation
B40	Sicilian Defense	Four Knights Variation
B40	Sicilian Defense	Four Knights Variation	Exchange Variation
B40	Sicilian Defense	French Variation
B40	Sicilian Defense	French Variation	Normal
B40	Sicilian Defense	French Variation	Open
B40	Sicilian Defense	French Variation	Westerinen Attack
B40	Sicilian Defense	Gaw-Paw Variation
B40	Sicilian Defense	Kramnik Variation
B40	Sicilian Defense	Kveinis Variation
B40	Sicilian Defense	Marshall Counterattack
B40	Sicilian Defense	Paulsen-Basman Defense
B40	Sicilian Defense	Pin Variation
B40	Sicilian Defense	Pin Variation	Jaffe Variation
B40	Sicilian Defense	Pin Variation	Koch Variation
B40	Sicilian Defense	Smith-Morra Gambit Deferred
B40	Sicilian Defense	Wing Gambit Deferred
B41	Sicilian Defense	Kan Variation
B42	Sicilian Defense	Kan Variation	Gipslis Variation
B42	Sicilian Defense	Kan Variation	Modern Variation
B42	Sicilian Defense	Kan Variation	Polugaevsky Variation
B42	Sicilian Defense	Kan Variation	Swiss Cheese Variation
B43	Sicilian Defense	Kan Variation	Knight Variation
B43	Sicilian Defense	Kan Variation	Wing Attack
B44	Sicilian Defense	Taimanov Variation
B44	Sicilian Defense	Taimanov Variation	Gary Gambit
B44	Sicilian Defense	Taimanov Variation	Modern Line
B44	Sicilian Defense	Taimanov Variation	Szén Variation
B45	Sicilian Defense	Taimanov Variation	American Attack
B45	Sicilian Defense	Taimanov Variation	Normal Variation
B47	Sicilian Defense	Taimanov Variation	Bastrikov Variation
B50	Sicilian Defense	Delayed Alapin Variation	Basman-Palatnik Double Gambit
B50	Sicilian Defense	Delayed Alapin Variation	Basman-Palatnik Gambit
B50	Sicilian Defense	Delayed Alapin Variation	with d6
B50	Sicilian Defense	Kopec System
B50	Sicilian Defense	Kotov Gambit
B50	Sicilian Defense	Modern Variations
B50	Sicilian Defense	Modern Variations	Anti-Qxd4 Move Order
B50	Sicilian Defense	Modern Variations	Anti-Qxd4 Move Order Accepted
B50	Sicilian Defense	Modern Variations	Tartakower
B50	Sicilian Defense	Wing Gambit	Deferred Variation
B51	Sicilian Defense	Moscow Variation
B51	Sicilian Defense	Moscow Variation	Dorfman Gambit
B51	Sicilian Defense	Moscow Variation	Moscow Gambit
B52	Sicilian Defense	Moscow Variation	Haag Gambit
B52	Sicilian Defense	Moscow Variation	Main Line
B52	Sicilian Defense	Moscow Variation	Sokolsky Variation
B53	Sicilian Defense	Chekhover Variation
B53	Sicilian Defense	Chekhover Variation	Zaitsev Defense
B54	Sicilian Defense	Dragon Variation	Accelerated Dragon
B54	Sicilian Defense	Modern Variations	Ginsberg Gambit
B54	Sicilian Defense	Modern Variations	Main Line
B54	Sicilian Defense	Prins Variation
B55	Sicilian Defense	Prins Variation	Venice Attack
B56	Sicilian Defense	Classical Variation
B56	Sicilian Defense	Classical Variation	Fianchetto Variation
B56	Sicilian Defense	Kupreichik Variation
B56	Sicilian Defense	Spielmann Variation
B56	Sicilian Defense	Venice Attack
B56	Sicilian Defense	Yates Variation
B57	Sicilian Defense	Classical Variation	Anti-Sozin Variation
B57	Sicilian Defense	Classical Variation	Sozin Attack
B57	Sicilian Defense	Magnus Smith Trap
B58	Sicilian Defense	Boleslavsky Variation
B58	Sicilian Defense	Boleslavsky Variation	Louma Variation
B58	Sicilian Defense	Classical Variation	Dragon Transfer
B59	Sicilian Defense with d6	Boleslavsky Variation
B60	Sicilian Defense	Richter-Rauzer Variation
B60	Sicilian Defense	Richter-Rauzer Variation	Dragon Variation
B60	Sicilian Defense	Richter-Rauzer Variation	Modern Variation
B61	Sicilian Defense with d6	Richter-Rauzer Variation	Modern Variation
B62	Sicilian Defense	Richter-Rauzer Variation	Exchange Variation
B62	Sicilian Defense	Richter-Rauzer Variation	Podebrady Variation
B62	Sicilian Defense	Richter-Rauzer Variation	Vitolins Variation
B63	Sicilian Defense	Richter-Rauzer Variation	Classical Variation
B63	Sicilian Defense	Richter-Rauzer Variation	Ivanov Variation
B63	Sicilian Defense	Richter-Rauzer Variation	Traditional Variation
B64	Sicilian Defense with d6	Richter-Rauzer Variation	Classical Variation
B65	Sicilian Defense	Richter-Rauzer Variation	Rauzer Attack
B67	Sicilian Defense	Richter-Rauzer Variation	Neo-Modern Variation
B70	Sicilian Defense	Dragon Variation
B70	Sicilian Defense	Dragon Variation	Classical Variation
B70	Sicilian Defense	Dragon Variation	Fianchetto Variation
B71	Sicilian Defense	Dragon Variation	Levenfish Variation
B72	Sicilian Defense with Be2	Dragon Variation	Classical Variation
B76	Sicilian Defense	Dragon Variation	Yugoslav Attack
B79	Sicilian Defense with O-O-O	Dragon Variation	Yugoslav Attack
B80	Sicilian Defense	Scheveningen Variation
B80	Sicilian Defense	Scheveningen Variation	Fianchetto Variation
B80	Sicilian Defense	Scheveningen Variation	Vitolins Variation
B81	Sicilian Defense	Scheveningen Variation	Keres Attack
B82	Sicilian Defense	Scheveningen Variation	Matanovic Attack
B82	Sicilian Defense	Scheveningen Variation	Tal Variation
B83	Sicilian Defense	Scheveningen Variation	Classical Variation
B83	Sicilian Defense	Scheveningen Variation	Modern Variation
B83	Sicilian Defense with Nc6	Scheveningen Variation	Modern Variation
B84	Sicilian Defense	Najdorf Variation	Scheveningen Variation
B84	Sicilian Defense with e6	Scheveningen Variation	Classical Variation
B85	Sicilian Defense	Scheveningen Variation	Classical Main Line
B86	Sicilian Defense	Sozin Attack
B87	Sicilian Defense	Sozin Attack	Flank Variation
B88	Sicilian Defense	Sozin Attack	Fischer Variation
B88	Sicilian Defense	Sozin Attack	Leonhardt Variation
B89	Sicilian Defense	Sozin Attack	Main Line
B89	Sicilian Defense	Velimirovic Attack
B90	Sicilian Defense	Najdorf Variation
B90	Sicilian Defense	Najdorf Variation	Adams Attack
B90	Sicilian Defense	Najdorf Variation	Dekker Gambit
B90	Sicilian Defense	Najdorf Variation	English Attack
B90	Sicilian Defense	Najdorf Variation	Freak Attack
B90	Sicilian Defense	Najdorf Variation	Lipnitsky Attack
B90	Sicilian Defense	Scheveningen Variation	Delayed Keres Attack
B91	Sicilian Defense	Najdorf Variation	Zagreb Variation
B92	Sicilian Defense	Najdorf Variation	Opocensky Variation
B92	Sicilian Defense with d6	Najdorf Variation	Opocensky Variation
B93	Sicilian Defense	Najdorf Variation	Amsterdam Variation
B94	Sicilian Defense	Najdorf Variation	Ivkov Variation
B96	Sicilian Defense	Najdorf Variation	Neo-Classical Defense
B96	Sicilian Defense	Najdorf Variation	Polugaevsky Variation
B97	Sicilian Defense	Najdorf Variation	Poisoned Pawn Accepted
B97	Sicilian Defense	Najdorf Variation	Poisoned Pawn Variation
B98	Sicilian Defense	Najdorf Variation	Browne Variation
B98	Sicilian Defense	Najdorf Variation	Goteborg Variation
B98	Sicilian Defense	Najdorf Variation	Traditional Line
B99	Sicilian Defense	Najdorf Variation	Main Line
C00	French Defense
C00	French Defense	Alapin Gambit
C00	French Defense	Baeuerle Gambit
C00	French Defense	Banzai-Leong Gambit
C00	French Defense	Banzai-Leong Gambit	Pinova Gambit
C00	French Defense	Bird Invitation
C00	French Defense	Carlson Gambit
C00	French Defense	Chigorin Variation
C00	French Defense	Diemer-Duhm Gambit
C00	French Defense	Diemer-Duhm Gambit Accepted
C00	French Defense	Franco-Hiva Gambit
C00	French Defense	Franco-Hiva Gambit Accepted
C00	French Defense	Franco-Sicilian Defense
C00	French Defense	Hoffmann Gambit
C00	French Defense	Horwitz Attack
C00	French Defense	Horwitz Attack	Papa-Ticulat Gambit
C00	French Defense	King's Indian Attack
C00	French Defense	King's Indian Attack	Franco-Hiva Gambit
C00	French Defense	Knight Variation
C00	French Defense	Knight Variation	Franco-Hiva Gambit
C00	French Defense	La Bourdonnais Variation
C00	French Defense	La Bourdonnais Variation	Reuter Gambit
C00	French Defense	Mediterranean Defense
C00	French Defense	Morphy Gambit
C00	French Defense	Normal Variation
C00	French Defense	Orthoschnapp Gambit
C00	French Defense	Pelikan Variation
C00	French Defense	Perseus Gambit
C00	French Defense	Queen's Knight
C00	French Defense	Réti-Spielmann Attack
C00	French Defense	Reversed Philidor Formation
C00	French Defense	Schlechter Variation
C00	French Defense	St. George Defense
C00	French Defense	St. George Defense	Sanky-George Gambit
C00	French Defense	St. George Defense	St. George Gambit
C00	French Defense	St. George Defense	Three Pawn Attack
C00	French Defense	St. George Defense	Traditional Line
C00	French Defense	Steiner Variation
C00	French Defense	Steinitz Attack
C00	French Defense	Two Knights Variation
C00	French Defense	Wing Gambit
C00	Rat Defense	Small Center Defense
C01	French Defense	Exchange Variation
C01	French Defense	Exchange Variation	Bogoljubow Variation
C01	French Defense	Exchange Variation	Monte Carlo Variation
C01	French Defense	Exchange Variation	Svenonius Variation
C02	French Defense	Advance Variation
C02	French Defense	Advance Variation	Euwe Variation
C02	French Defense	Advance Variation	Extended Bishop Swap
C02	French Defense	Advance Variation	Frenkel Gambit
C02	French Defense	Advance Variation	Lputian Variation
C02	French Defense	Advance Variation	Main Line
C02	French Defense	Advance Variation	Milner-Barry Gambit
C02	French Defense	Advance Variation	Nimzowitsch Attack
C02	French Defense	Advance Variation	Nimzowitsch Gambit
C02	French Defense	Advance Variation	Nimzowitsch System
C02	French Defense	Advance Variation	Paulsen Attack
C02	French Defense	Advance Variation	Ruisdonk Gambit
C02	French Defense	Advance Variation	Steinitz Variation
C02	French Defense	Advance Variation	Wade Variation
C03	French Defense	Guimard Variation	Thunderbunny Variation
C03	French Defense	Tarrasch Variation
C03	French Defense	Tarrasch Variation	Guimard Defense
C03	French Defense	Tarrasch Variation	Haberditz Variation
C03	French Defense	Tarrasch Variation	Modern System
C03	French Defense	Tarrasch Variation	Morozevich Variation
C05	French Defense	Tarrasch Variation	Botvinnik Variation
C05	French Defense	Tarrasch Variation	Closed Variation
C05	French Defense	Tarrasch Variation	Pawn Center Variation
C06	French Defense	Tarrasch Variation	Leningrad Variation
C07	French Defense	Tarrasch Variation	Chistyakov Defense
C07	French Defense	Tarrasch Variation	Eliskases Variation
C07	French Defense	Tarrasch Variation	Open System
C10	French Defense	Classical Variation	Svenonius Variation
C10	French Defense	Paulsen Variation
C10	French Defense	Rubinstein Variation
C10	French Defense	Rubinstein Variation	Blackburne Defense
C10	French Defense	Rubinstein Variation	Capablanca Line
C10	French Defense	Rubinstein Variation	Ellis Gambit
C10	French Defense	Rubinstein Variation	Fort Knox Variation
C10	French Defense	Rubinstein Variation	Kasparov Attack
C10	French Defense	Rubinstein Variation	Maric Variation
C10	Sicilian Defense	Marshall Gambit
C11	French Defense	Burn Variation
C11	French Defense	Classical Variation
C11	French Defense	Classical Variation	Delayed Exchange Variation
C11	French Defense	Classical Variation	Steinitz Variation
C11	French Defense	Classical Variation	Swiss Variation
C11	French Defense	Henneberger Variation
C11	French Defense	Steinitz Variation
C11	French Defense	Steinitz Variation	Boleslavsky Variation
C11	French Defense	Steinitz Variation	Bradford Attack Variation
C11	French Defense	Steinitz Variation	Brodsky-Jones Variation
C11	French Defense	Steinitz Variation	Gledhill Attack
C11	French Defense with a3	Steinitz Variation
C11	French Defense with a6	Steinitz Variation
C12	French Defense	MacCutcheon Variation
C12	French Defense	MacCutcheon Variation	Advance Variation
C12	French Defense	MacCutcheon Variation	Bernstein Variation
C12	French Defense	MacCutcheon Variation	Bogoljubow Variation
C12	French Defense	MacCutcheon Variation	Chigorin Variation
C12	French Defense	MacCutcheon Variation	Dr. Olland Variation
C12	French Defense	MacCutcheon Variation	Duras Variation
C12	French Defense	MacCutcheon Variation	Exchange Variation
C12	French Defense	MacCutcheon Variation	Grigoriev Variation
C12	French Defense	MacCutcheon Variation	Janowski Variation
C12	French Defense	MacCutcheon Variation	Lasker Variation
C12	French Defense	MacCutcheon Variation	Tartakower Variation
C13	French Defense	Alekhine-Chatard Attack
C13	French Defense	Alekhine-Chatard Attack	Albin-Chatard Gambit
C13	French Defense	Alekhine-Chatard Attack	Breyer Variation
C13	French Defense	Alekhine-Chatard Attack	Maróczy Variation
C13	French Defense	Alekhine-Chatard Attack	Spielmann Variation
C13	French Defense	Alekhine-Chatard Attack	Teichmann Variation
C13	French Defense	Classical Variation	Frankfurt Variation
C13	French Defense	Classical Variation	Normal Variation
C13	French Defense	Classical Variation	Richter Attack
C13	French Defense	Classical Variation	Tartakower Variation
C13	French Defense	Classical Variation	Vistaneckis Variation
C14	French Defense	Classical Variation	Alapin Variation
C14	French Defense	Classical Variation	Pollock Variation
C14	French Defense	Classical Variation	Rubinstein Variation
C14	French Defense	Classical Variation	Stahlberg Variation
C14	French Defense	Classical Variation	Tarrasch Variation
C14	French Defense with e5	Classical Variation	Steinitz Variation
C14	French Defense with Nf6	Classical Variation
C15	French Defense	MacCutcheon Variation	Wolf Gambit
C15	French Defense	Winawer Variation
C15	French Defense	Winawer Variation	Alekhine Gambit Accepted
C15	French Defense	Winawer Variation	Alekhine-Maróczy Gambit
C15	French Defense	Winawer Variation	Delayed Exchange Variation
C15	French Defense	Winawer Variation	Fingerslip Variation
C15	French Defense	Winawer Variation	Kondratiyev Variation
C15	French Defense	Winawer Variation	Winckelmann-Reimer Gambit
C16	French Defense	Winawer Variation	Advance Variation
C16	French Defense	Winawer Variation	Petrosian Variation
C17	French Defense	Winawer Variation	Bogoljubow Variation
C17	French Defense	Winawer Variation	Maróczy-Wallis Variation
C17	French Defense	Winawer Variation	Retreat Variation
C18	French Defense	Winawer Variation	Classical Variation
C18	French Defense	Winawer Variation	Portisch-Hook Variation
C18	French Defense with cxd4	Winawer Variation	Advance Variation
C19	French Defense	Winawer Variation	Poisoned Pawn Variation
C19	French Defense	Winawer Variation	Positional Variation
C20	Barnes Opening	Walkerling
C20	Bongcloud Attack
C20	Center Game
C20	English Opening	The Whale
C20	King's Pawn Game	Alapin Opening
C20	King's Pawn Game	Bavarian Gambit
C20	King's Pawn Game	Beyer Gambit
C20	King's Pawn Game	Clam Variation	King's Gambit Reversed
C20	King's Pawn Game	Clam Variation	Radisch Gambit
C20	King's Pawn Game	King's Head Opening
C20	King's Pawn Game	Leonardis Variation
C20	King's Pawn Game	MacLeod Attack
C20	King's Pawn Game	MacLeod Attack	Lasa Gambit
C20	King's Pawn Game	MacLeod Attack	Norwalde Gambit
C20	King's Pawn Game	Mengarini's Opening
C20	King's Pawn Game	Napoleon Attack
C20	King's Pawn Game	Philidor Gambit
C20	King's Pawn Game	Tortoise Opening
C20	King's Pawn Game	Wayward Queen Attack
C20	King's Pawn Game	Wayward Queen Attack	Kiddie Countergambit
C20	King's Pawn Game	Wayward Queen Attack	Mellon Gambit
C20	King's Pawn Game	Weber Gambit
C20	King's Pawn Opening
C20	King's Pawn Opening	Speers
C20	King's Pawn Opening	Van Hooydoon Gambit
C20	Portuguese Opening
C20	Portuguese Opening	Miguel Gambit
C20	Portuguese Opening	Portuguese Gambit
C21	Center Game	Halasz-McDonnell Gambit
C21	Center Game	Halasz-McDonnell Gambit	Crocodile Variation
C21	Center Game	Kieseritzky Variation
C21	Center Game	Lanc-Arnold Gambit
C21	Center Game	Lanc-Arnold Gambit	Schippler Gambit
C21	Center Game	Ross Gambit
C21	Center Game	von der Lasa Gambit
C21	Center Game Accepted
C21	Danish Gambit
C21	Danish Gambit Accepted
C21	Danish Gambit Accepted	Chigorin Defense
C21	Danish Gambit Accepted	Classical Defense
C21	Danish Gambit Accepted	Copenhagen Defense
C21	Danish Gambit Accepted	Schlechter Defense
C21	Danish Gambit Accepted	Svenonius Defense
C21	Danish Gambit Declined	Sörensen Defense
C22	Center Game	Berger Variation
C22	Center Game	Charousek Variation
C22	Center Game	Hall Variation
C22	Center Game	Kupreichik Variation
C22	Center Game	l'Hermet Variation
C22	Center Game	Normal Variation
C22	Center Game	Paulsen Attack Variation
C23	Bishop's Opening
C23	Bishop's Opening	Anderssen Gambit
C23	Bishop's Opening	Boi Variation
C23	Bishop's Opening	Calabrese Countergambit
C23	Bishop's Opening	Calabrese Countergambit	Jaenisch Variation
C23	Bishop's Opening	del Rio Variation
C23	Bishop's Opening	Four Pawns Gambit
C23	Bishop's Opening	Khan Gambit
C23	Bishop's Opening	Lewis Countergambit
C23	Bishop's Opening	Lewis Countergambit	Walker Variation
C23	Bishop's Opening	Lewis Gambit
C23	Bishop's Opening	Lisitsyn Variation
C23	Bishop's Opening	Lopez Gambit
C23	Bishop's Opening	Lopez Variation
C23	Bishop's Opening	Lopez Variation	Lopez Gambit
C23	Bishop's Opening	McDonnell Gambit
C23	Bishop's Opening	McDonnell Gambit	La Bourdonnais-Denker Gambit
C23	Bishop's Opening	McDonnell Gambit	McDonnell Double Gambit
C23	Bishop's Opening	Philidor Counterattack
C23	Bishop's Opening	Philidor Variation
C23	Bishop's Opening	Pratt Variation
C23	Bishop's Opening	Stein Gambit
C23	Bishop's Opening	Thorold Gambit
C24	Bishop's Opening	Berlin Defense
C24	Bishop's Opening	Berlin Defense	Greco Gambit
C24	Bishop's Opening	Kitchener Folly
C24	Bishop's Opening	Krejcik Gambit
C24	Bishop's Opening	Pachman Gambit
C24	Bishop's Opening	Ponziani Gambit
C24	Bishop's Opening	Urusov Gambit	Panov Variation
C24	Bishop's Opening	Vienna Hybrid
C24	Bishop's Opening	Warsaw Gambit
C25	Vienna Gambit, with Max Lange Defense
C25	Vienna Gambit, with Max Lange Defense	Cunningham Defense
C25	Vienna Gambit, with Max Lange Defense	Hamppe-Allgaier Gambit
C25	Vienna Gambit, with Max Lange Defense	Hamppe-Allgaier Gambit	Alapin Variation
C25	Vienna Gambit, with Max Lange Defense	Hamppe-Allgaier Gambit	Thorold Variation
C25	Vienna Gambit, with Max Lange Defense	Hamppe-Muzio Gambit
C25	Vienna Gambit, with Max Lange Defense	Knight Variation
C25	Vienna Gambit, with Max Lange Defense	Pierce Gambit
C25	Vienna Gambit, with Max Lange Defense	Quelle Gambit
C25	Vienna Gambit, with Max Lange Defense	Steinitz Gambit
C25	Vienna Gambit, with Max Lange Defense	Steinitz Gambit	Fraser-Minckwitz Defense
C25	Vienna Gambit, with Max Lange Defense	Steinitz Gambit	Main Line
C25	Vienna Gambit, with Max Lange Defense	Steinitz Gambit	Paulsen Defense
C25	Vienna Gambit, with Max Lange Defense	Steinitz Gambit	Sörensen Defense
C25	Vienna Gambit, with Max Lange Defense	Steinitz Gambit	Zukertort Defense
C25	Vienna Game
C25	Vienna Game	Anderssen Defense
C25	Vienna Game	Fyfe Gambit
C25	Vienna Game	Giraffe Attack
C25	Vienna Game	Hamppe-Meitner Variation
C25	Vienna Game	Hamppe-Muzio	Dubois Variation
C25	Vienna Game	Hamppe-Muzio Gambit
C25	Vienna Game	Max Lange Defense
C25	Vienna Game	Omaha Gambit
C25	Vienna Game	Paulsen Variation
C25	Vienna Game	Paulsen Variation	Mariotti Gambit
C25	Vienna Game	Philidor Countergambit
C25	Vienna Game	Pierce Gambit	Rushmere Attack
C25	Vienna Game	Stanley Variation	Meitner-Mieses Gambit
C25	Vienna Game	Zhuravlev Countergambit
C26	Bishop's Opening	Horwitz Gambit
C26	Bishop's Opening	Vienna Hybrid	Spielmann Attack
C26	Vienna Game	Falkbeer Variation
C26	Vienna Game	Mengarini Variation
C26	Vienna Game	Mieses Variation
C26	Vienna Game	Mieses Variation	Erben Gambit
C26	Vienna Game	Paulsen Variation	Pollock Gambit
C26	Vienna Game	Stanley Variation
C26	Vienna Game	Stanley Variation	Eifel Gambit
C26	Vienna Game	Stanley Variation	Reversed Spanish
C27	Bishop's Opening	Boden-Kieseritzky Gambit
C27	Bishop's Opening	Boden-Kieseritzky Gambit	Lichtenhein Defense
C27	Vienna Game	Adams' Gambit
C27	Vienna Game	Frankenstein-Dracula Variation
C27	Vienna Game	Stanley Variation	Alekhine Variation
C27	Vienna Game	Stanley Variation	Frankenstein-Dracula Variation
C27	Vienna Game	Stanley Variation	Monster Declined
C28	Bishop's Opening	Vienna Hybrid	Hromádka Variation
C28	Vienna Game	Stanley Variation	Bronstein Gambit
C28	Vienna Game	Stanley Variation	Three Knights Variation
C29	Vienna Game	Heyde Variation
C29	Vienna Game	Vienna Gambit
C29	Vienna Game	Vienna Gambit	Bardeleben Variation
C29	Vienna Game	Vienna Gambit	Breyer Variation
C29	Vienna Game	Vienna Gambit	Kaufmann Variation
C29	Vienna Game	Vienna Gambit	Main Line
C29	Vienna Game	Vienna Gambit	Modern Variation
C29	Vienna Game	Vienna Gambit	Paulsen Attack
C29	Vienna Game	Vienna Gambit	Steinitz Variation
C29	Vienna Game	Vienna Gambit	Wurzburger Trap
C30	King's Gambit
C30	King's Gambit Declined	Classical	Hanham Variation
C30	King's Gambit Declined	Classical	Réti Variation
C30	King's Gambit Declined	Classical	Soldatenkov Variation
C30	King's Gambit Declined	Classical	Svenonius Variation
C30	King's Gambit Declined	Classical Variation
C30	King's Gambit Declined	Classical Variation	Euwe Attack
C30	King's Gambit Declined	Classical Variation	Rotlewi Countergambit
C30	King's Gambit Declined	Classical Variation	Rubinstein Countergambit
C30	King's Gambit Declined	Hobbs-Zilbermints Gambit
C30	King's Gambit Declined	Keene Defense
C30	King's Gambit Declined	Keene's Defense
C30	King's Gambit Declined	Mafia Defense
C30	King's Gambit Declined	Miles Defense
C30	King's Gambit Declined	Norwalde Variation
C30	King's Gambit Declined	Norwalde Variation	Bücker Gambit
C30	King's Gambit Declined	Norwalde Variation	Schubert Variation
C30	King's Gambit Declined	Panteldakis Countergambit
C30	King's Gambit Declined	Panteldakis Countergambit	Greco Variation
C30	King's Gambit Declined	Panteldakis Countergambit	Pawn Sacrifice Line
C30	King's Gambit Declined	Panteldakis Countergambit	Schiller's Defense
C30	King's Gambit Declined	Panteldakis Countergambit	Shirazi Line
C30	King's Gambit Declined	Panteldakis Countergambit	Symmetrical Variation
C30	King's Gambit Declined	Petrov's Defense
C30	King's Gambit Declined	Queen's Knight Defense
C30	King's Gambit Declined	Senechaud Countergambit
C30	King's Gambit Declined	Soller-Zilbermints Gambit
C30	King's Gambit Declined	Zilbermints Double Countergambit
C30	King's Gambit Declined	Zilbermints Double Gambit
C31	King's Gambit Declined	Falkbeer Countergambit
C31	King's Gambit Declined	Falkbeer Countergambit	Anderssen Attack
C31	King's Gambit Declined	Falkbeer Countergambit	Blackburne Attack
C31	King's Gambit Declined	Falkbeer Countergambit	Charousek Gambit
C31	King's Gambit Declined	Falkbeer Countergambit	Hinrichsen Gambit
C31	King's Gambit Declined	Falkbeer Countergambit	Miles Gambit
C31	King's Gambit Declined	Falkbeer Countergambit	Milner-Barry Variation
C31	King's Gambit Declined	Falkbeer Countergambit	Modern Transfer
C31	King's Gambit Declined	Falkbeer Countergambit	Nimzowitsch-Marshall Countergambit
C31	King's Gambit Declined	Falkbeer Countergambit	Pickler Gambit
C31	King's Gambit Declined	Falkbeer Countergambit	Rubinstein Variation
C31	King's Gambit Declined	Falkbeer Countergambit	Staunton Line
C31	King's Gambit Declined	Falkbeer Countergambit Accepted
C31	Van Geet Opening	Grünfeld Defense	Steiner Gambit
C32	King's Gambit Declined	Falkbeer Countergambit	Alapin Variation
C32	King's Gambit Declined	Falkbeer Countergambit	Charousek Gambit Accepted
C32	King's Gambit Declined	Falkbeer Countergambit	Charousek Variation
C32	King's Gambit Declined	Falkbeer Countergambit	Tarrasch Variation
C33	King's Gambit Accepted
C33	King's Gambit Accepted	Basman Gambit
C33	King's Gambit Accepted	Bishop's Gambit
C33	King's Gambit Accepted	Bishop's Gambit	Anderssen Defense
C33	King's Gambit Accepted	Bishop's Gambit	Anderssen Variation
C33	King's Gambit Accepted	Bishop's Gambit	Bledow Countergambit
C33	King's Gambit Accepted	Bishop's Gambit	Bledow Variation
C33	King's Gambit Accepted	Bishop's Gambit	Boden Variation
C33	King's Gambit Accepted	Bishop's Gambit	Bogoljubow Defense
C33	King's Gambit Accepted	Bishop's Gambit	Bogoljubow Variation
C33	King's Gambit Accepted	Bishop's Gambit	Boren-Svenonius Variation
C33	King's Gambit Accepted	Bishop's Gambit	Bryan Countergambit
C33	King's Gambit Accepted	Bishop's Gambit	Chigorin's Attack
C33	King's Gambit Accepted	Bishop's Gambit	Classical Defense
C33	King's Gambit Accepted	Bishop's Gambit	Cozio Defense
C33	King's Gambit Accepted	Bishop's Gambit	Cozio Variation
C33	King's Gambit Accepted	Bishop's Gambit	First Jaenisch Variation
C33	King's Gambit Accepted	Bishop's Gambit	Fraser Variation
C33	King's Gambit Accepted	Bishop's Gambit	Gianutio Gambit
C33	King's Gambit Accepted	Bishop's Gambit	Greco Variation
C33	King's Gambit Accepted	Bishop's Gambit	Grimm Attack
C33	King's Gambit Accepted	Bishop's Gambit	Kieseritzky Gambit
C33	King's Gambit Accepted	Bishop's Gambit	Lopez Defense
C33	King's Gambit Accepted	Bishop's Gambit	Lopez Variation
C33	King's Gambit Accepted	Bishop's Gambit	Maurian Defense
C33	King's Gambit Accepted	Bishop's Gambit	McDonnell Attack
C33	King's Gambit Accepted	Bishop's Gambit	Paulsen Attack
C33	King's Gambit Accepted	Bishop's Gambit	Steinitz Defense
C33	King's Gambit Accepted	Breyer Gambit
C33	King's Gambit Accepted	Carrera Gambit
C33	King's Gambit Accepted	Dodo Variation
C33	King's Gambit Accepted	Eisenberg Variation
C33	King's Gambit Accepted	Gaga Gambit
C33	King's Gambit Accepted	Lopez-Gianutio Countergambit	Hein Variation
C33	King's Gambit Accepted	Mason-Keres Gambit
C33	King's Gambit Accepted	Orsini Gambit
C33	King's Gambit Accepted	Paris Gambit
C33	King's Gambit Accepted	Polerio Gambit
C33	King's Gambit Accepted	Schurig Gambit	with Bb5
C33	King's Gambit Accepted	Schurig Gambit	with Bd3
C33	King's Gambit Accepted	Stamma Gambit
C33	King's Gambit Accepted	Tartakower Gambit
C33	King's Gambit Accepted	Tartakower Gambit	Weiss Defense
C33	King's Gambit Accepted	Tumbleweed
C33	King's Gambit Accepted with d4	Bishop's Gambit	McDonnell Attack
C34	King's Gambit Accepted	Becker Defense
C34	King's Gambit Accepted	Bonsch-Osmolovsky Variation
C34	King's Gambit Accepted	Fischer Defense
C34	King's Gambit Accepted	Fischer Defense	Schulder Gambit
C34	King's Gambit Accepted	Fischer Defense	Spanish Variation
C34	King's Gambit Accepted	Gianutio Countergambit
C34	King's Gambit Accepted	Greco Gambit
C34	King's Gambit Accepted	King's Knight's Gambit
C34	King's Gambit Accepted	MacLeod Defense
C34	King's Gambit Accepted	Schallopp Defense
C34	King's Gambit Accepted	Schallopp Defense	Tashkent Attack
C34	King's Gambit Accepted	Wagenbach Defense
C34	King's Gambit Accepted with g5	King's Knight's Gambit
C35	King's Gambit Accepted	Cunningham Defense
C35	King's Gambit Accepted	Cunningham Defense	Bertin Gambit
C35	King's Gambit Accepted	Cunningham Defense	McCormick Defense
C36	King's Gambit Accepted	Abbazia Defense
C36	King's Gambit Accepted	Abbazia Defense	Main Line
C36	King's Gambit Accepted	Modern Defense
C37	King's Gambit Accepted	Australian Gambit
C37	King's Gambit Accepted	Blachly Gambit
C37	King's Gambit Accepted	Double Muzio Gambit
C37	King's Gambit Accepted	Double Muzio Gambit	Baldwin Gambit
C37	King's Gambit Accepted	Double Muzio Gambit	Bello Gambit
C37	King's Gambit Accepted	Double Muzio Gambit	Paulsen Defense
C37	King's Gambit Accepted	Double Muzio Gambit	Young Gambit
C37	King's Gambit Accepted	Ghulam-Kassim Gambit
C37	King's Gambit Accepted	Kotov Gambit
C37	King's Gambit Accepted	Lolli Gambit
C37	King's Gambit Accepted	Lolli Gambit	Young Variation
C37	King's Gambit Accepted	McDonnell Gambit
C37	King's Gambit Accepted	Middleton Countergambit
C37	King's Gambit Accepted	Muzio Gambit	Brentano Defense
C37	King's Gambit Accepted	Muzio Gambit	Holloway Defense
C37	King's Gambit Accepted	Muzio Gambit	Kling and Horwitz Counterattack
C37	King's Gambit Accepted	Muzio Gambit	Sarratt Defense
C37	King's Gambit Accepted	Muzio Gambit	Wild Muzio Gambit
C37	King's Gambit Accepted	Muzio Gambit Accepted	From's Defense
C37	King's Gambit Accepted	Quaade Gambit
C37	King's Gambit Accepted	Rosentreter Gambit
C37	King's Gambit Accepted	Rosentreter Gambit	Bird Gambit
C37	King's Gambit Accepted	Rosentreter Gambit	Sörensen Gambit
C37	King's Gambit Accepted	Rosentreter Gambit	Testa Variation
C37	King's Gambit Accepted	Salvio Gambit
C37	King's Gambit Accepted	Salvio Gambit	Anderssen Counterattack
C37	King's Gambit Accepted	Salvio Gambit	Cochrane Gambit
C37	King's Gambit Accepted	Salvio Gambit	Santa Maria Defense
C37	King's Gambit Accepted	Salvio Gambit	Silberschmidt Defense
C37	King's Gambit Accepted	Salvio Gambit	Viennese Variation
C37	King's Gambit Accepted	Silberschmidt Gambit
C37	King's Gambit Accepted	Sörensen Gambit
C38	King's Gambit Accepted	Hanstein Gambit
C38	King's Gambit Accepted	Mayet Gambit
C38	King's Gambit Accepted	Philidor Gambit
C38	King's Gambit Accepted	Philidor Gambit	Schultz Variation
C38	King's Gambit Accepted	Traditional Variation
C38	King's Gambit Accepted with d6	Greco Gambit
C39	King's Gambit Accepted	Allgaier	Blackburne Gambit
C39	King's Gambit Accepted	Allgaier	Cook Variation
C39	King's Gambit Accepted	Allgaier	Horny Defense
C39	King's Gambit Accepted	Allgaier	Schlechter Defense
C39	King's Gambit Accepted	Allgaier	Urusov Attack
C39	King's Gambit Accepted	Allgaier Gambit
C39	King's Gambit Accepted	Allgaier Gambit	Thorold Attack
C39	King's Gambit Accepted	Allgaier Gambit	Urusov Attack
C39	King's Gambit Accepted	Kieseritzky	Polerio Defense
C39	King's Gambit Accepted	Kieseritzky	Rice Gambit
C39	King's Gambit Accepted	Kieseritzky Gambit
C39	King's Gambit Accepted	Kieseritzky Gambit	Anderssen Defense
C39	King's Gambit Accepted	Kieseritzky Gambit	Anderssen-Cordel Gambit
C39	King's Gambit Accepted	Kieseritzky Gambit	Berlin Defense
C39	King's Gambit Accepted	Kieseritzky Gambit	Brentano Defense
C39	King's Gambit Accepted	Kieseritzky Gambit	Cotter Gambit
C39	King's Gambit Accepted	Kieseritzky Gambit	Kolisch Defense
C39	King's Gambit Accepted	Kieseritzky Gambit	Long Whip
C39	King's Gambit Accepted	Kieseritzky Gambit	Neumann Defense
C39	King's Gambit Accepted	Kieseritzky Gambit	Paulsen Defense
C39	King's Gambit Accepted	Kieseritzky Gambit	Paulsen Defense Deferred
C39	King's Gambit Accepted	Kieseritzky Gambit	Rice Gambit
C39	King's Gambit Accepted	Kieseritzky Gambit	Rosenthal Defense
C39	King's Gambit Accepted with Bc4	King's Knight's Gambit
C40	Elephant Gambit
C40	Elephant Gambit	Maróczy Gambit
C40	Elephant Gambit	Paulsen Countergambit
C40	Elephant Gambit	Wasp Variation
C40	Gunderam Defense
C40	King's Knight Opening
C40	King's Pawn Game	Busch-Gass Gambit
C40	King's Pawn Game	Busch-Gass Gambit	Chiodini Gambit
C40	King's Pawn Game	Damiano Defense
C40	King's Pawn Game	Damiano Defense	Damiano Gambit
C40	King's Pawn Game	Gunderam Defense	Gunderam Gambit
C40	King's Pawn Game	Gunderam Gambit
C40	King's Pawn Game	La Bourdonnais Gambit
C40	King's Pawn Game	McConnell Defense
C40	Latvian Gambit
C40	Latvian Gambit	Behting Variation
C40	Latvian Gambit	Corkscrew Countergambit
C40	Latvian Gambit	Corkscrew Gambit
C40	Latvian Gambit	Diepstraten Countergambit
C40	Latvian Gambit	Fraser Defense
C40	Latvian Gambit	Greco Variation
C40	Latvian Gambit	Lobster Gambit
C40	Latvian Gambit	Mason Countergambit
C40	Latvian Gambit	Mayet Attack
C40	Latvian Gambit	Mayet Attack	Morgado Defense
C40	Latvian Gambit	Mayet Attack	Poisoned Pawn Variation
C40	Latvian Gambit	Mayet Attack	Polerio-Svedenborg Variation
C40	Latvian Gambit	Mayet Attack	Strautins Gambit
C40	Latvian Gambit	Mlotkowski Variation
C40	Latvian Gambit	Senechaud Gambit
C40	Latvian Gambit Accepted
C40	Latvian Gambit Accepted	Bilguer Variation
C40	Latvian Gambit Accepted	Bronstein Attack
C40	Latvian Gambit Accepted	Bronstein Gambit
C40	Latvian Gambit Accepted	Foltys Variation
C40	Latvian Gambit Accepted	Foltys-Leonhardt Variation
C40	Latvian Gambit Accepted	Leonhardt Variation
C40	Latvian Gambit Accepted	Main Line
C40	Latvian Gambit Accepted	Nimzowitsch Attack
C41	Philidor Defense
C41	Philidor Defense	Albin-Blackburne Gambit
C41	Philidor Defense	Berger Variation
C41	Philidor Defense	Bird Gambit
C41	Philidor Defense	Boden Variation
C41	Philidor Defense	Exchange Variation
C41	Philidor Defense	Hanham	Kmoch Variation
C41	Philidor Defense	Hanham Variation
C41	Philidor Defense	Hanham Variation	Delmar Variation
C41	Philidor Defense	Hanham Variation	Krause Variation
C41	Philidor Defense	Hanham Variation	Schlechter Variation
C41	Philidor Defense	Hanham Variation	Sharp Variation
C41	Philidor Defense	Hanham Variation	Steiner Variation
C41	Philidor Defense	Larsen Variation
C41	Philidor Defense	Lion Variation
C41	Philidor Defense	Lion Variation	Bishop Sacrifice
C41	Philidor Defense	Lion Variation	Delayed Bishop Sacrifice
C41	Philidor Defense	Lion Variation	Forcing Line
C41	Philidor Defense	Lion Variation	Shirov Gambit
C41	Philidor Defense	Lion Variation	Sozin Variation
C41	Philidor Defense	Lopez Countergambit
C41	Philidor Defense	Lopez Countergambit	Jaenisch Variation
C41	Philidor Defense	Morphy Gambit
C41	Philidor Defense	Nimzowitsch	Larobok Variation
C41	Philidor Defense	Nimzowitsch	Locock Variation
C41	Philidor Defense	Nimzowitsch Variation
C41	Philidor Defense	Nimzowitsch Variation	Klein Variation
C41	Philidor Defense	Nimzowitsch Variation	Rellstab Variation
C41	Philidor Defense	Nimzowitsch Variation	Sokolsky Variation
C41	Philidor Defense	Paulsen Attack
C41	Philidor Defense	Philidor Countergambit
C41	Philidor Defense	Philidor Countergambit	Berger Variation
C41	Philidor Defense	Philidor Countergambit	del Rio Attack
C41	Philidor Defense	Philidor Countergambit	Zukertort Variation
C41	Philidor Defense	Philidor Gambit
C41	Philidor Defense	Steinitz Variation
C41	Philidor Defense with d4
C42	Petrov's Defense
C42	Petrov's Defense	Classical Attack
C42	Petrov's Defense	Classical Attack	Berger Variation
C42	Petrov's Defense	Classical Attack	Chigorin Variation
C42	Petrov's Defense	Classical Attack	Closed Variation
C42	Petrov's Defense	Classical Attack	Jaenisch Variation
C42	Petrov's Defense	Classical Attack	Krause Variation
C42	Petrov's Defense	Classical Attack	Maróczy Variation
C42	Petrov's Defense	Classical Attack	Marshall Trap
C42	Petrov's Defense	Classical Attack	Marshall Variation
C42	Petrov's Defense	Classical Attack	Mason Variation
C42	Petrov's Defense	Classical Attack	Mason-Showalter Variation
C42	Petrov's Defense	Classical Attack	Staunton Variation
C42	Petrov's Defense	Classical Attack	Tarrasch Variation
C42	Petrov's Defense	Cochrane Gambit
C42	Petrov's Defense	Cochrane Gambit	Bishop Check Line
C42	Petrov's Defense	Cochrane Gambit	Center Variation
C42	Petrov's Defense	Cozio Attack
C42	Petrov's Defense	Damiano Variation
C42	Petrov's Defense	Damiano Variation	Kholmov Gambit
C42	Petrov's Defense	French Attack
C42	Petrov's Defense	Italian Variation
C42	Petrov's Defense	Karklins-Martinovsky Variation
C42	Petrov's Defense	Kaufmann Attack
C42	Petrov's Defense	Millennium Attack
C42	Petrov's Defense	Moody Gambit
C42	Petrov's Defense	Nimzowitsch Attack
C42	Petrov's Defense	Paulsen Attack
C42	Petrov's Defense	Stafford Gambit
C42	Petrov's Defense	Three Knights Game
C43	Bishop's Opening	Urusov Gambit
C43	Bishop's Opening	Urusov Gambit	Keidansky Gambit
C43	Petrov's Defense	Modern Attack
C43	Petrov's Defense	Modern Attack	Bardeleben Variation
C43	Petrov's Defense	Modern Attack	Center Attack
C43	Petrov's Defense	Modern Attack	Center Variation
C43	Petrov's Defense	Modern Attack	Murrey Variation
C43	Petrov's Defense	Modern Attack	Steinitz Variation
C43	Petrov's Defense	Modern Attack	Symmetrical Variation
C43	Petrov's Defense	Modern Attack	Tal Gambit
C43	Petrov's Defense	Modern Attack	Trifunovic Variation
C44	Dresden Opening	The Goblin
C44	Irish Gambit
C44	King's Knight Opening	Konstantinopolsky
C44	King's Knight Opening	Normal Variation
C44	King's Pawn Game	Dresden Opening
C44	King's Pawn Game	Pachman Wing Gambit
C44	King's Pawn Game	Schulze-Müller Gambit
C44	King's Pawn Game	Tayler Opening
C44	King's Pawn Game	Tayler Opening	Basman Gambit
C44	King's Pawn Game	Tayler Opening	Inverted Hanham
C44	Latvian Gambit	Clam Gambit
C44	Ponziani Opening
C44	Ponziani Opening	Caro Gambit
C44	Ponziani Opening	Jaenisch Counterattack
C44	Ponziani Opening	Leonhardt Variation
C44	Ponziani Opening	Neumann Gambit
C44	Ponziani Opening	Ponziani Countergambit
C44	Ponziani Opening	Ponziani Countergambit	Schmidt Attack
C44	Ponziani Opening	Réti Variation
C44	Ponziani Opening	Romanishin Variation
C44	Ponziani Opening	Spanish Variation
C44	Ponziani Opening	Steinitz Variation
C44	Ponziani Opening	Vukovic Gambit
C44	Scotch Game
C44	Scotch Game	Benima Defense
C44	Scotch Game	Cochrane Variation
C44	Scotch Game	Cochrane-Shumov Defense
C44	Scotch Game	Göring Gambit
C44	Scotch Game	Göring Gambit	Bardeleben Variation
C44	Scotch Game	Göring Gambit	Double Pawn Sacrifice
C44	Scotch Game	Göring Gambit	Main Line
C44	Scotch Game	Hanneken Variation
C44	Scotch Game	Haxo Gambit
C44	Scotch Game	Lolli Variation
C44	Scotch Game	Napoleon Gambit
C44	Scotch Game	Relfsson Gambit
C44	Scotch Game	Scotch Gambit
C44	Scotch Game	Scotch Gambit	Advance Variation
C44	Scotch Game	Scotch Gambit	Cochrane-Anderssen Variation
C44	Scotch Game	Scotch Gambit	Dubois Réti Defense
C44	Scotch Game	Scotch Gambit	Göring Gambit Declined
C44	Scotch Game	Scotch Gambit	Kingside Variation
C44	Scotch Game	Scotch Gambit	London Defense
C44	Scotch Game	Scotch Gambit	Sarratt Variation
C44	Scotch Game	Sea-Cadet Mate
C44	Scotch Game	Vitzthum Attack
C45	Scotch Game	Alekhine Gambit
C45	Scotch Game	Blumenfeld Attack
C45	Scotch Game	Braune Variation
C45	Scotch Game	Classical Variation
C45	Scotch Game	Classical Variation	Blackburne Attack
C45	Scotch Game	Classical Variation	Intermezzo Variation
C45	Scotch Game	Classical Variation	Millennium Variation
C45	Scotch Game	Fraser Variation
C45	Scotch Game	Ghulam-Kassim Variation
C45	Scotch Game	Gottschall Variation
C45	Scotch Game	Horwitz Attack
C45	Scotch Game	Horwitz Attack	Blackburne Variation
C45	Scotch Game	Malaniuk Variation
C45	Scotch Game	Meitner Variation
C45	Scotch Game	Mieses Variation
C45	Scotch Game	Modern Defense
C45	Scotch Game	Paulsen	Gunsberg Defense
C45	Scotch Game	Paulsen Attack
C45	Scotch Game	Paulsen Variation
C45	Scotch Game	Potter Variation
C45	Scotch Game	Romanishin Variation
C45	Scotch Game	Rosenthal Variation
C45	Scotch Game	Schmidt Variation
C45	Scotch Game	Steinitz Variation
C45	Scotch Game	Tartakower Variation
C46	Three Knights Opening
C46	Three Knights Opening	Schlechter Variation
C46	Three Knights Opening	Steinitz Defense
C46	Three Knights Opening	Steinitz-Rosenthal Variation
C46	Three Knights Opening	Winawer Defense
C47	Four Knights Game
C47	Four Knights Game	Gunsberg Variation
C47	Four Knights Game	Halloween Gambit
C47	Four Knights Game	Halloween Gambit	Oldtimer Variation
C47	Four Knights Game	Halloween Gambit	Plasma Variation
C47	Four Knights Game	Italian Variation
C47	Four Knights Game	Italian Variation	Noa Gambit
C47	Four Knights Game	Scotch Variation
C47	Four Knights Game	Scotch Variation	Belgrade Gambit
C47	Four Knights Game	Scotch Variation	Krause Gambit
C47	Four Knights Game	Scotch Variation	Oxford Gambit
C47	Four Knights Game	Scotch Variation	Schmid Defense
C47	Four Knights Game	Scotch Variation Accepted
C48	Four Knights Game	Spanish Variation
C48	Four Knights Game	Spanish Variation	Bardeleben Variation
C48	Four Knights Game	Spanish Variation	Classical Variation
C48	Four Knights Game	Spanish Variation	Ranken Variation
C48	Four Knights Game	Spanish Variation	Rubinstein Variation
C48	Four Knights Game	Spanish Variation	Rubinstein Variation Accepted
C48	Four Knights Game	Spanish Variation	Spielmann Variation
C48	Four Knights Game with Nc6	Spanish Variation	Rubinstein Variation
C49	Four Knights Game	Spanish Variation	Alatortsev Variation
C49	Four Knights Game	Spanish Variation	Double Spanish
C49	Four Knights Game	Spanish Variation	Gunsberg Counterattack
C49	Four Knights Game	Spanish Variation	Janowski Variation
C49	Four Knights Game	Spanish Variation	Nimzowitsch Variation
C49	Four Knights Game	Spanish Variation	Svenonius Variation
C49	Four Knights Game	Spanish Variation	Symmetrical Variation
C49	Four Knights Game with Bg5	Spanish Variation	Symmetrical Variation
C49	Four Knights Game with Bxc3	Spanish Variation	Symmetrical Variation
C50	Four Knights Game with Nf6	Italian Variation
C50	Italian Game
C50	Italian Game	Anti-Fried Liver Defense
C50	Italian Game	Blackburne-Kostić Gambit
C50	Italian Game	Classical Variation	Albin Gambit
C50	Italian Game	Deutz Gambit
C50	Italian Game	Giuoco Pianissimo
C50	Italian Game	Giuoco Pianissimo	Canal Variation
C50	Italian Game	Giuoco Pianissimo	Dubois Variation
C50	Italian Game	Giuoco Pianissimo	Italian Four Knights Variation
C50	Italian Game	Giuoco Pianissimo	Lucchini Gambit
C50	Italian Game	Giuoco Pianissimo	Normal
C50	Italian Game	Giuoco Piano
C50	Italian Game	Hungarian Defense
C50	Italian Game	Hungarian Defense	Tartakower Variation
C50	Italian Game	Jerome Gambit
C50	Italian Game	Paris Defense
C50	Italian Game	Rosentreter Gambit
C50	Italian Game	Rousseau Gambit
C50	Italian Game with Bc5	Giuoco Pianissimo
C51	Italian Game	Evans Gambit
C51	Italian Game	Evans Gambit	Anderssen Variation
C51	Italian Game	Evans Gambit	Fontaine Countergambit
C51	Italian Game	Evans Gambit	Fraser Attack
C51	Italian Game	Evans Gambit	Fraser-Mortimer Attack
C51	Italian Game	Evans Gambit	Göring Attack
C51	Italian Game	Evans Gambit	Harding Variation
C51	Italian Game	Evans Gambit	Hein Countergambit
C51	Italian Game	Evans Gambit	Mayet Defense
C51	Italian Game	Evans Gambit	McDonnell Defense
C51	Italian Game	Evans Gambit	Morphy Attack
C51	Italian Game	Evans Gambit	Mortimer-Evans Gambit
C51	Italian Game	Evans Gambit	Paulsen Variation
C51	Italian Game	Evans Gambit	Steinitz Variation
C51	Italian Game	Evans Gambit	Stone-Ware Variation
C51	Italian Game	Evans Gambit	Ulvestad Variation
C51	Italian Game	Evans Gambit Accepted
C51	Italian Game	Evans Gambit Declined
C51	Italian Game	Evans Gambit Declined	Cordel Variation
C51	Italian Game	Evans Gambit Declined	Hicken Variation
C51	Italian Game	Evans Gambit Declined	Hirschbach Variation
C51	Italian Game	Evans Gambit Declined	Lange Variation
C51	Italian Game	Evans Gambit Declined	Pavlov Variation
C51	Italian Game	Evans Gambit Declined	Showalter Variation
C51	Italian Game	Evans Gambit Declined	Vasquez Variation
C52	Italian Game	Evans Gambit	Alapin-Steinitz Variation
C52	Italian Game	Evans Gambit	Anderssen Defense
C52	Italian Game	Evans Gambit	Bronstein Defense
C52	Italian Game	Evans Gambit	Compromised Defense
C52	Italian Game	Evans Gambit	Dufresne Defense
C52	Italian Game	Evans Gambit	Johner Defense
C52	Italian Game	Evans Gambit	Laroche Variation
C52	Italian Game	Evans Gambit	Lasker Defense
C52	Italian Game	Evans Gambit	Leonhardt Countergambit
C52	Italian Game	Evans Gambit	Levenfish Variation
C52	Italian Game	Evans Gambit	Main Line
C52	Italian Game	Evans Gambit	Mieses Defense
C52	Italian Game	Evans Gambit	Pierce Defense
C52	Italian Game	Evans Gambit	Richardson Attack
C52	Italian Game	Evans Gambit	Sanders-Alapin Variation
C52	Italian Game	Evans Gambit	Slow Variation
C52	Italian Game	Evans Gambit	Sokolsky Variation
C52	Italian Game	Evans Gambit	Tartakower Attack
C52	Italian Game	Evans Gambit	Waller Attack
C52	Italian Game with Bc5	Evans Gambit
C53	Italian Game	Bird's Attack
C53	Italian Game	Classical Variation
C53	Italian Game	Classical Variation	Center Holding Variation
C53	Italian Game	Classical Variation	Closed Variation
C53	Italian Game	Classical Variation	Eisinger Variation
C53	Italian Game	Classical Variation	La Bourdonnais Variation
C53	Italian Game	Classical Variation	Mestel Variation
C53	Italian Game	Classical Variation	Tarrasch Variation
C54	Italian Game	Classical Variation	Center Attack
C54	Italian Game	Classical Variation	Ghulam-Kassim Variation
C54	Italian Game	Classical Variation	Giuoco Pianissimo
C54	Italian Game	Classical Variation	Greco Gambit
C54	Italian Game	Giuoco Piano	Aitken Variation
C54	Italian Game	Giuoco Piano	Bernstein Variation
C54	Italian Game	Giuoco Piano	Cracow Variation
C54	Italian Game	Giuoco Piano	Greco's Attack
C54	Italian Game	Giuoco Piano	Holzhausen Attack
C54	Italian Game	Giuoco Piano	Krause Variation
C54	Italian Game	Giuoco Piano	Rosentreter Variation
C54	Italian Game	Giuoco Piano	Steinitz Variation
C54	Italian Game	Giuoco Piano	Therkatz-Herzog Variation
C54	Italian Game with c3	Classical Variation	Giuoco Pianissimo
C54	Italian Game with Nbd2	Classical Variation	Giuoco Pianissimo
C55	Italian Game	Two Knights Defense
C55	Italian Game	Two Knights Defense	Modern Bishop's Opening
C56	Italian Game	Scotch Gambit
C56	Italian Game	Scotch Gambit	Anderssen Attack
C56	Italian Game	Scotch Gambit	Canal Variation
C56	Italian Game	Scotch Gambit	de Riviere Defense
C56	Italian Game	Scotch Gambit	Double Gambit Accepted
C56	Italian Game	Scotch Gambit	Janowski Defense
C56	Italian Game	Scotch Gambit	Max Lange Attack
C56	Italian Game	Scotch Gambit	Max Lange Attack Accepted
C56	Italian Game	Scotch Gambit	Nakhmanson Gambit
C56	Italian Game	Scotch Gambit	Walbrodt-Baird Gambit
C56	Italian Game	Scotch Invitation Declined
C56	Italian Game	Two Knights Defense	Keidansky Variation
C56	Italian Game	Two Knights Defense	Max Lange Attack
C56	Italian Game	Two Knights Defense	Open Variation
C56	Italian Game	Two Knights Defense	Perreux Variation
C56	Italian Game	Two Knights Defense	Yurdansky Attack
C56	Italian Game with d4	Scotch Gambit	Max Lange Attack
C57	Italian Game	Two Knights Defense	Fried Liver Attack
C57	Italian Game	Two Knights Defense	Fritz Variation
C57	Italian Game	Two Knights Defense	Kloss Gambit
C57	Italian Game	Two Knights Defense	Knight Attack
C57	Italian Game	Two Knights Defense	Lolli Attack
C57	Italian Game	Two Knights Defense	Pincus Variation
C57	Italian Game	Two Knights Defense	Ponziani-Steinitz Gambit
C57	Italian Game	Two Knights Defense	Traxler Counterattack
C57	Italian Game	Two Knights Defense	Ulvestad Variation
C58	Italian Game	Two Knights Defense	Blackburne Variation
C58	Italian Game	Two Knights Defense	Colman Variation
C58	Italian Game	Two Knights Defense	Maróczy Variation
C58	Italian Game	Two Knights Defense	Paoli Variation
C58	Italian Game	Two Knights Defense	Polerio Defense
C58	Italian Game with O-O	Two Knights Defense
C59	Italian Game	Two Knights Defense	Knorre Variation
C59	Italian Game	Two Knights Defense	Steinitz Variation
C60	Ruy Lopez
C60	Ruy Lopez	Alapin Defense
C60	Ruy Lopez	Alapin Defense	Alapin Gambit
C60	Ruy Lopez	Brentano Gambit
C60	Ruy Lopez	Bulgarian Variation
C60	Ruy Lopez	Cozio Defense
C60	Ruy Lopez	Cozio Defense	Paulsen Variation
C60	Ruy Lopez	Cozio Defense	Tartakower Gambit
C60	Ruy Lopez	Fianchetto Defense
C60	Ruy Lopez	Fianchetto Defense	Kevitz Gambit
C60	Ruy Lopez	Lucena Variation
C60	Ruy Lopez	Nürnberg Variation
C60	Ruy Lopez	Pollock Defense
C60	Ruy Lopez	Retreat Variation
C60	Ruy Lopez	Rotary-Albany Gambit
C60	Ruy Lopez	Spanish Countergambit
C60	Ruy Lopez	Spanish Countergambit	Harding Gambit
C60	Ruy Lopez	Vinogradov Variation
C61	Ruy Lopez	Bird Variation
C61	Ruy Lopez	Bird Variation	Paulsen Variation
C62	Ruy Lopez	Old Steinitz Defense	Semi-Duras Variation
C62	Ruy Lopez	Steinitz Defense
C62	Ruy Lopez	Steinitz Defense	Center Gambit
C62	Ruy Lopez	Steinitz Defense	Nimzowitsch Attack
C63	Ruy Lopez	Schliemann Defense
C63	Ruy Lopez	Schliemann Defense	Classical Variation
C63	Ruy Lopez	Schliemann Defense	Dyckhoff Variation
C63	Ruy Lopez	Schliemann Defense	Exchange Variation
C63	Ruy Lopez	Schliemann Defense	Jaenisch Gambit Accepted
C63	Ruy Lopez	Schliemann Defense	Kostić Defense
C63	Ruy Lopez	Schliemann Defense	Möhring Variation
C63	Ruy Lopez	Schliemann Defense	Schönemann Attack
C63	Ruy Lopez	Schliemann Defense	Tartakower Variation
C64	Ruy Lopez	Classical Defense	Benelux Variation
C64	Ruy Lopez	Classical Defense	Boden Variation
C64	Ruy Lopez	Classical Defense	Zaitsev Variation
C64	Ruy Lopez	Classical Variation
C64	Ruy Lopez	Classical Variation	Central Variation
C64	Ruy Lopez	Classical Variation	Charousek Variation
C64	Ruy Lopez	Classical Variation	Cordel Gambit
C64	Ruy Lopez	Classical Variation	Konikowski Gambit
C64	Ruy Lopez	Classical Variation	Modern Main Line
C64	Ruy Lopez	Classical Variation	Spanish Wing Gambit
C65	Ruy Lopez	Berlin Defense
C65	Ruy Lopez	Berlin Defense	Anderssen Variation
C65	Ruy Lopez	Berlin Defense	Beverwijk Variation
C65	Ruy Lopez	Berlin Defense	Duras Variation
C65	Ruy Lopez	Berlin Defense	Fishing Pole Variation
C65	Ruy Lopez	Berlin Defense	Kaufmann Variation
C65	Ruy Lopez	Berlin Defense	Mortimer Trap
C65	Ruy Lopez	Berlin Defense	Mortimer Variation
C65	Ruy Lopez	Berlin Defense	Nyholm Attack
C65	Ruy Lopez	Classical Variation	Zukertort Gambit
C65	Ruy Lopez	Halloween Attack
C66	Ruy Lopez	Berlin Defense	Closed Bernstein Variation
C66	Ruy Lopez	Berlin Defense	Closed Showalter Variation
C66	Ruy Lopez	Berlin Defense	Closed Wolf Variation
C66	Ruy Lopez	Berlin Defense	Hedgehog Variation
C66	Ruy Lopez	Berlin Defense	Improved Steinitz Defense
C66	Ruy Lopez	Berlin Defense	Tarrasch Trap
C66	Ruy Lopez	Closed Berlin Defense	Chigorin Variation
C67	Ruy Lopez	Berlin Defense	Berlin Wall
C67	Ruy Lopez	Berlin Defense	Cordel Variation
C67	Ruy Lopez	Berlin Defense	l'Hermet Variation
C67	Ruy Lopez	Berlin Defense	Minckwitz Variation
C67	Ruy Lopez	Berlin Defense	Pillsbury Variation
C67	Ruy Lopez	Berlin Defense	Rio de Janeiro Variation
C67	Ruy Lopez	Berlin Defense	Rio Gambit Accepted
C67	Ruy Lopez	Berlin Defense	Rosenthal Variation
C67	Ruy Lopez	Berlin Defense	Trifunovic Variation
C67	Ruy Lopez	Berlin Defense	Winawer Attack
C67	Ruy Lopez	Berlin Defense	Zukertort Variation
C67	Ruy Lopez	Open Berlin Defense	l'Hermet Variation
C67	Ruy Lopez	Open Berlin Defense	Showalter Variation
C68	Ruy Lopez	Exchange	Alekhine Variation
C68	Ruy Lopez	Exchange Variation
C68	Ruy Lopez	Exchange Variation	Alekhine Variation
C68	Ruy Lopez	Exchange Variation	Keres Variation
C68	Ruy Lopez	Exchange Variation	Lutikov Variation
C68	Ruy Lopez	Exchange Variation	Romanovsky Variation
C69	Ruy Lopez	Exchange Variation	Alapin Gambit
C69	Ruy Lopez	Exchange Variation	Bronstein Variation
C69	Ruy Lopez	Exchange Variation	Gligoric Variation
C69	Ruy Lopez	Exchange Variation	King's Bishop Variation
C69	Ruy Lopez	Exchange Variation	Normal Variation
C70	Ruy Lopez	Bird's Defense Deferred
C70	Ruy Lopez	Morphy Defense
C70	Ruy Lopez	Morphy Defense	Alapin's Defense Deferred
C70	Ruy Lopez	Morphy Defense	Caro Variation
C70	Ruy Lopez	Morphy Defense	Classical Defense Deferred
C70	Ruy Lopez	Morphy Defense	Cozio Defense
C70	Ruy Lopez	Morphy Defense	Fianchetto Defense Deferred
C70	Ruy Lopez	Morphy Defense	Graz Variation
C70	Ruy Lopez	Morphy Defense	Norwegian Variation
C70	Ruy Lopez	Morphy Defense	Schliemann Defense Deferred
C71	Ruy Lopez	Morphy Defense	Modern Steinitz Defense
C71	Ruy Lopez	Noah's Ark Trap
C71	Ruy Lopez with Nc3	Morphy Defense	Modern Steinitz Defense
C72	Ruy Lopez	Closed	Kecskemet Variation
C77	Ruy Lopez	Morphy Defense	Anderssen Variation
C77	Ruy Lopez	Morphy Defense	Bayreuth Variation
C77	Ruy Lopez	Morphy Defense	Duras Variation
C77	Ruy Lopez	Morphy Defense	Jaffe Gambit
C77	Ruy Lopez	Morphy Defense	Mackenzie Variation
C77	Ruy Lopez	Morphy Defense	Tarrasch Variation
C77	Ruy Lopez	Morphy Defense	Wormald Attack
C77	Ruy Lopez	Wormald Attack	Grünfeld Variation
C78	Ruy Lopez	Brix Variation
C78	Ruy Lopez	Central Countergambit
C78	Ruy Lopez	Morphy Defense	Arkhangelsk Variation
C78	Ruy Lopez	Morphy Defense	Neo-Arkhangelsk Variation
C78	Ruy Lopez	Morphy Defense	Wing Attack
C78	Ruy Lopez	Rabinovich Variation
C79	Ruy Lopez	Morphy Defense	Steinitz Deferred
C79	Ruy Lopez	Steinitz Defense Deferred	Boleslavsky Variation
C79	Ruy Lopez	Steinitz Defense Deferred	Lipnitsky Variation
C80	Ruy Lopez	Morphy Defense	Tartakower Variation
C80	Ruy Lopez	Open
C80	Ruy Lopez	Open	Berger Variation
C80	Ruy Lopez	Open	Bernstein Variation
C80	Ruy Lopez	Open	Friess Attack
C80	Ruy Lopez	Open	Harksen Gambit
C80	Ruy Lopez	Open	Karpov Gambit
C80	Ruy Lopez	Open	Knorre Variation
C80	Ruy Lopez	Open	Main Line
C80	Ruy Lopez	Open	Richter Variation
C80	Ruy Lopez	Open	Riga Variation
C80	Ruy Lopez	Open	Schlechter Defense
C80	Ruy Lopez	Open	Skipworth Gambit
C80	Ruy Lopez	Open	Zukertort Variation
C81	Ruy Lopez	Open	Howell Attack
C82	Ruy Lopez	Open	Berlin Variation
C82	Ruy Lopez	Open	Dilworth Variation
C82	Ruy Lopez	Open	Italian Variation
C82	Ruy Lopez	Open	Motzko Attack
C82	Ruy Lopez	Open	St. Petersburg Variation
C83	Ruy Lopez	Open	Breslau Variation
C83	Ruy Lopez	Open	Classical Defense
C83	Ruy Lopez	Open	Malkin Variation
C83	Ruy Lopez	Open	Tarrasch Trap
C84	Ruy Lopez	Closed
C84	Ruy Lopez	Closed	Basque Gambit
C84	Ruy Lopez	Closed	Center Attack
C84	Ruy Lopez	Closed	Martinez Variation
C84	Ruy Lopez	Closed	Morphy Attack
C85	Ruy Lopez	Closed	Delayed Exchange
C86	Ruy Lopez	Closed	Worrall Attack
C87	Ruy Lopez	Closed	Averbakh Variation
C88	Ruy Lopez	Closed	Alekhine Gambit
C88	Ruy Lopez	Closed	Anti-Marshall
C88	Ruy Lopez	Closed	Balla Variation
C88	Ruy Lopez	Closed	Leonhardt Variation
C88	Ruy Lopez	Closed	Rosen Attack
C88	Ruy Lopez	Closed	Trajkovic Counterattack
C88	Ruy Lopez with b5	Noah's Ark Trap
C89	Ruy Lopez	Marshall Attack
C89	Ruy Lopez	Marshall Attack	Main Line
C89	Ruy Lopez	Marshall Attack	Modern Main Line
C89	Ruy Lopez	Marshall Attack	Modern Variation
C89	Ruy Lopez	Marshall Attack	Original Marshall Attack
C89	Ruy Lopez	Marshall Attack	Re3 Variation
C89	Ruy Lopez	Marshall Attack	Steiner Variation
C90	Ruy Lopez	Closed	Lutikov Variation
C90	Ruy Lopez	Closed	Pilnik Variation
C90	Ruy Lopez	Closed	Suetin Variation
C90	Ruy Lopez with O-O	Closed
C91	Ruy Lopez	Closed	Bogoljubow Variation
C91	Ruy Lopez	Closed	Yates Variation
C92	Ruy Lopez	Closed	Flohr System
C92	Ruy Lopez	Closed	Karpov Variation
C92	Ruy Lopez	Closed	Kholmov Variation
C92	Ruy Lopez	Closed	Smyslov-Breyer-Zaitsev Hybrid
C92	Ruy Lopez	Closed	Zaitsev System
C93	Ruy Lopez	Closed	Smyslov Defense
C94	Ruy Lopez	Closed	Breyer Defense
C95	Ruy Lopez	Closed	Breyer
C95	Ruy Lopez with Nbd2	Closed	Breyer Defense
C96	Ruy Lopez	Closed	Borisenko Variation
C96	Ruy Lopez	Closed	Chigorin Defense
C96	Ruy Lopez	Closed	Keres Defense
C96	Ruy Lopez	Closed	Rossolimo Defense
C97	Ruy Lopez with Bc2	Closed	Chigorin Defense
D00	Amazon Attack
D00	Blackmar-Diemer Gambit
D00	Blackmar-Diemer Gambit	Blackmar Gambit
D00	Blackmar-Diemer Gambit	Diemer-Rosenberg Attack
D00	Blackmar-Diemer Gambit	Fritz Attack
D00	Blackmar-Diemer Gambit	Lemberger Countergambit
D00	Blackmar-Diemer Gambit	Lemberger Countergambit	Endgame Variation
D00	Blackmar-Diemer Gambit	Lemberger Countergambit	Lange Gambit
D00	Blackmar-Diemer Gambit	Lemberger Countergambit	Rasmussen Attack
D00	Blackmar-Diemer Gambit	Lemberger Countergambit	Sneiders Attack
D00	Blackmar-Diemer Gambit	Lemberger Countergambit	Soller Attack
D00	Blackmar-Diemer Gambit	Netherlands Variation
D00	Blackmar-Diemer Gambit	Rasa-Studier Gambit
D00	Blackmar-Diemer Gambit	Reversed Albin Countergambit
D00	Blackmar-Diemer Gambit	von Popiel Gambit
D00	Blackmar-Diemer Gambit	von Popiel Gambit	Zilbermints Variation
D00	Blackmar-Diemer Gambit	Zeller Defense
D00	Blackmar-Diemer Gambit	Zeller Defense	Soller Attack
D00	Blackmar-Diemer Gambit Accepted
D00	Blackmar-Diemer Gambit Accepted	Bogoljubow Defense
D00	Blackmar-Diemer Gambit Accepted	Bogoljubow Defense	Kloss Attack
D00	Blackmar-Diemer Gambit Accepted	Bogoljubow Defense	Mad Dog Attack
D00	Blackmar-Diemer Gambit Accepted	Bogoljubow Defense	Nimzowitsch Attack
D00	Blackmar-Diemer Gambit Accepted	Bogoljubow Defense	Studier Attack
D00	Blackmar-Diemer Gambit Accepted	Euwe Defense
D00	Blackmar-Diemer Gambit Accepted	Euwe Defense	Zilbermints Gambit
D00	Blackmar-Diemer Gambit Accepted	Gunderam Defense
D00	Blackmar-Diemer Gambit Accepted	Gunderam Defense	Stader Variation
D00	Blackmar-Diemer Gambit Accepted	Holwell Defense
D00	Blackmar-Diemer Gambit Accepted	Kaulich Defense
D00	Blackmar-Diemer Gambit Accepted	Pietrowsky Defense
D00	Blackmar-Diemer Gambit Accepted	Ritter Defense
D00	Blackmar-Diemer Gambit Accepted	Ryder Gambit
D00	Blackmar-Diemer Gambit Accepted	Schlutter Defense
D00	Blackmar-Diemer Gambit Accepted	Teichmann Defense
D00	Blackmar-Diemer Gambit Accepted	Teichmann Defense	Ciesielski Variation
D00	Blackmar-Diemer Gambit Accepted	Teichmann Defense	Classical Variation
D00	Blackmar-Diemer Gambit Accepted	Teichmann Defense	Seidel-Hall Attack
D00	Blackmar-Diemer Gambit Accepted	Ziegler Defense
D00	Blackmar-Diemer Gambit Declined	Brombacher Countergambit
D00	Blackmar-Diemer Gambit Declined	Elbert Countergambit
D00	Blackmar-Diemer Gambit Declined	Gedult Defense
D00	Blackmar-Diemer Gambit Declined	Lamb Defense
D00	Blackmar-Diemer Gambit Declined	Langeheinicke Defense
D00	Blackmar-Diemer Gambit Declined	O'Kelly Defense
D00	Blackmar-Diemer Gambit Declined	Vienna Defense
D00	Blackmar-Diemer Gambit Declined	Weinsbach Defense
D00	Queen's Pawn Game	Accelerated London System
D00	Queen's Pawn Game	Accelerated London System	Steinitz Countergambit
D00	Queen's Pawn Game	Accelerated London System	Steinitz Countergambit Accepted
D00	Queen's Pawn Game	Chigorin Variation	Alburt Defense
D00	Queen's Pawn Game	Chigorin Variation	Anti-Veresov
D00	Queen's Pawn Game	Chigorin Variation	Fianchetto Defense
D00	Queen's Pawn Game	Chigorin Variation	Irish Gambit
D00	Queen's Pawn Game	Chigorin Variation	Shaviliuk Gambit
D00	Queen's Pawn Game	Chigorin Variation	Shropshire Defense
D00	Queen's Pawn Game	Hübsch Gambit
D00	Queen's Pawn Game	Levitsky Attack
D00	Queen's Pawn Game	Levitsky Attack	Welling Variation
D00	Queen's Pawn Game	Mason Attack
D00	Queen's Pawn Game	Stonewall Attack
D00	Queen's Pawn Game	Zurich Gambit
D00	Queen's Pawn Game with d6
D00	Queen's Pawn Game with Nf6	Chigorin Variation
D01	Rapport-Jobava System
D01	Rapport-Jobava System with e6
D01	Rapport-Jobava System, with e6 with Nf6
D01	Richter-Veresov Attack
D01	Richter-Veresov Attack	Boyce Defense
D01	Richter-Veresov Attack	Malich Gambit
D01	Richter-Veresov Attack	Richter Variation
D01	Richter-Veresov Attack	Two Knights System
D01	Richter-Veresov Attack	Two Knights System	Grünfeld Defense
D01	Richter-Veresov Attack	Veresov Variation
D02	London System	Poisoned Pawn Variation
D02	Queen's Gambit Declined	Baltic Defense	Pseudo-Slav
D02	Queen's Pawn Game	Anti-Torre
D02	Queen's Pawn Game	Chandler Gambit
D02	Queen's Pawn Game	Krause Variation
D02	Queen's Pawn Game	London System
D02	Queen's Pawn Game	London System	Pterodactyl Variation
D02	Queen's Pawn Game	London System	with e6
D02	Queen's Pawn Game	Symmetrical Variation
D02	Queen's Pawn Game	Symmetrical Variation	Pseudo-Catalan
D02	Queen's Pawn Game	Zilbermints Countergambit
D02	Queen's Pawn Game	Zukertort Variation
D03	Queen's Pawn Game	Torre Attack
D03	Queen's Pawn Game	Torre Attack	Gossip Variation
D03	Queen's Pawn Game	Torre Attack	Grünfeld Variation
D04	Queen's Pawn Game	Colle System
D04	Queen's Pawn Game	Colle System	Anti-Colle
D04	Queen's Pawn Game	Colle System	Grünfeld Formation
D05	Queen's Pawn Game	Colle System	Traditional Colle
D05	Rubinstein Opening
D05	Rubinstein Opening	Bogoljubow Defense
D05	Rubinstein Opening	Classical Defense
D05	Rubinstein Opening	Semi-Slav Defense
D06	Queen's Gambit
D06	Queen's Gambit Declined	Austrian Attack	Salvio Countergambit
D06	Queen's Gambit Declined	Austrian Defense
D06	Queen's Gambit Declined	Austrian Defense	Gusev Countergambit
D06	Queen's Gambit Declined	Austrian Defense	Haberditz Variation
D06	Queen's Gambit Declined	Baltic Defense
D06	Queen's Gambit Declined	Baltic Defense	Argentinian Gambit
D06	Queen's Gambit Declined	Baltic Defense	Pseudo-Chigorin
D06	Queen's Gambit Declined	Baltic Defense	Queen Attack
D06	Queen's Gambit Declined	Baltic Defense	Queen Attack Deferred
D06	Queen's Gambit Declined	Marshall Defense
D06	Queen's Gambit Declined	Marshall Defense	Tan Gambit
D06	Queen's Gambit Declined	Zilbermints Gambit
D07	Queen's Gambit Declined	Chigorin Defense
D07	Queen's Gambit Declined	Chigorin Defense	Exchange Variation
D07	Queen's Gambit Declined	Chigorin Defense	Janowski Variation
D07	Queen's Gambit Declined	Chigorin Defense	Lazard Gambit
D07	Queen's Gambit Declined	Chigorin Defense	Main Line
D07	Queen's Gambit Declined	Chigorin Defense	Modern Gambit
D07	Queen's Gambit Declined	Chigorin Defense	Tartakower Gambit
D08	Queen's Gambit Declined	Albin Countergambit
D08	Queen's Gambit Declined	Albin Countergambit	Balogh Variation
D08	Queen's Gambit Declined	Albin Countergambit	Janowski Variation
D08	Queen's Gambit Declined	Albin Countergambit	Krenosz Variation
D08	Queen's Gambit Declined	Albin Countergambit	Lasker Trap
D08	Queen's Gambit Declined	Albin Countergambit	Modern Line
D08	Queen's Gambit Declined	Albin Countergambit	Normal Line
D08	Queen's Gambit Declined	Albin Countergambit	Tartakower Defense
D09	Queen's Gambit Declined	Albin Countergambit	Fianchetto Variation
D10	Slav Defense
D10	Slav Defense	Diemer Gambit
D10	Slav Defense	Exchange Variation
D10	Slav Defense	Exchange Variation	Boor Attack
D10	Slav Defense	Slav Gambit	Alekhine Attack
D10	Slav Defense	Winawer Countergambit
D10	Slav Defense	Winawer Countergambit	Anti-Winawer Gambit
D11	Slav Defense	Bonet Gambit
D11	Slav Defense	Breyer Variation
D11	Slav Defense	Modern Line
D11	Slav Defense	Quiet Variation
D11	Slav Defense	Quiet Variation	Pin Defense
D12	Slav Defense	Quiet Variation	Amsterdam Variation
D12	Slav Defense	Quiet Variation	Landau Variation
D12	Slav Defense	Quiet Variation	Schallopp Defense
D13	Slav Defense	Exchange Variation	Schallopp Variation
D13	Slav Defense with cxd5	Exchange Variation
D14	Slav Defense	Exchange Variation	Symmetrical Line
D14	Slav Defense	Exchange Variation	Trifunovic Variation
D15	Slav Defense	Alekhine Variation
D15	Slav Defense	Chebanenko Variation
D15	Slav Defense	Chebanenko Variation	Advance System
D15	Slav Defense	Geller Gambit
D15	Slav Defense	Schlechter Variation
D15	Slav Defense	Süchting Variation
D15	Slav Defense	Three Knights Variation
D15	Slav Defense	Two Knights Attack
D16	Slav Defense	Alapin Variation
D16	Slav Defense	Smyslov Variation
D16	Slav Defense	Soultanbeieff Variation
D16	Slav Defense	Steiner Variation
D17	Slav Defense	Czech Variation
D17	Slav Defense	Czech Variation	Bled Attack
D17	Slav Defense	Czech Variation	Carlsbad Variation
D17	Slav Defense	Czech Variation	Krause Attack
D17	Slav Defense	Czech Variation	Wiesbaden Variation
D18	Slav Defense	Czech Variation	Classical System
D18	Slav Defense	Czech Variation	Lasker Variation
D19	Slav Defense	Czech Variation	Dutch Variation
D20	Queen's Gambit Accepted
D20	Queen's Gambit Accepted	Accelerated Mannheim Variation
D20	Queen's Gambit Accepted	Central Variation	Alekhine System
D20	Queen's Gambit Accepted	Central Variation	Greco Variation
D20	Queen's Gambit Accepted	Central Variation	McDonnell Defense
D20	Queen's Gambit Accepted	Central Variation	Modern Defense
D20	Queen's Gambit Accepted	Central Variation	Rubinstein Defense
D20	Queen's Gambit Accepted	Linares Variation
D20	Queen's Gambit Accepted	Old Variation
D20	Queen's Gambit Accepted	Old Variation	Billinger Gambit
D20	Queen's Gambit Accepted	Old Variation	Christensen Gambit
D20	Queen's Gambit Accepted	Old Variation	Korchnoi Gambit
D20	Queen's Gambit Accepted	Old Variation	Novikov Gambit
D20	Queen's Gambit Accepted	Saduleto Variation
D20	Queen's Gambit Accepted	Schwartz Defense
D21	Queen's Gambit Accepted	Alekhine Defense	Borisenko-Furman Variation
D21	Queen's Gambit Accepted	Godes Variation
D21	Queen's Gambit Accepted	Gunsberg Defense
D21	Queen's Gambit Accepted	Normal Variation
D21	Queen's Gambit Accepted	Rosenthal Variation
D21	Queen's Gambit Accepted	Slav Gambit
D22	Queen's Gambit Accepted	Alekhine Defense
D22	Queen's Gambit Accepted	Alekhine Defense	Alatortsev Variation
D22	Queen's Gambit Accepted	Alekhine Defense	Haberditz Variation
D23	Queen's Gambit Accepted	Mannheim Variation
D24	Queen's Gambit Accepted	Bogoljubow Defense
D24	Queen's Gambit Accepted	Gunsberg Defense	Prianishenmo Gambit
D24	Queen's Gambit Accepted	Showalter Variation
D25	Queen's Gambit Accepted	Janowski-Larsen Variation
D25	Queen's Gambit Accepted	Smyslov Variation
D25	Queen's Gambit Accepted	Winawer Defense
D26	Queen's Gambit Accepted	Classical	Furman Variation
D26	Queen's Gambit Accepted	Classical Defense
D26	Queen's Gambit Accepted	Classical Defense	Normal Line
D26	Queen's Gambit Accepted	Normal Variation	Traditional System
D27	Queen's Gambit Accepted	Classical Defense	Main Line
D27	Queen's Gambit Accepted	Classical Defense	Rubinstein Variation
D27	Queen's Gambit Accepted	Classical Defense	Russian Gambit
D27	Queen's Gambit Accepted	Furman Variation
D28	Queen's Gambit Accepted	Classical	Flohr Variation
D28	Queen's Gambit Accepted	Classical Defense	Alekhine System
D30	Queen's Gambit Declined
D30	Queen's Gambit Declined	Capablanca Variation
D30	Queen's Gambit Declined	Semmering Variation
D30	Queen's Gambit Declined	Spielmann Variation
D30	Queen's Gambit Declined	Stonewall Variation
D30	Queen's Gambit Declined	Tarrasch Defense	Pseudo-Tarrasch
D30	Queen's Gambit Declined	Tarrasch Defense	Pseudo-Tarrasch Bishop Attack
D30	Queen's Gambit Declined	Traditional Variation
D30	Queen's Gambit Declined	Vienna Variation
D30	Queen's Gambit Declined with c4	Capablanca Variation
D30	Semi-Slav Defense	Quiet Variation
D31	Queen's Gambit Declined	Alapin Variation
D31	Queen's Gambit Declined	Charousek Variation
D31	Queen's Gambit Declined	Charousek Variation	Miladinovic Gambit
D31	Queen's Gambit Declined	Janowski Variation
D31	Queen's Gambit Declined	Queen's Knight Variation
D31	Queen's Gambit Declined	Semi-Slav	Abrahams Variation
D31	Queen's Gambit Declined	Semi-Slav	Junge Variation
D31	Queen's Gambit Declined	Semi-Slav	Koomen Variation
D31	Queen's Gambit Declined	Uhlmann Variation
D31	Semi-Slav Defense	Accelerated Move Order
D31	Semi-Slav Defense	Gunderam Gambit
D31	Semi-Slav Defense	Marshall Gambit
D31	Semi-Slav Defense	Marshall Gambit	Forgotten Variation
D31	Semi-Slav Defense	Marshall Gambit	Main Line
D31	Semi-Slav Defense	Marshall Gambit	Tolush Variation
D31	Semi-Slav Defense	Noteboom Variation
D31	Semi-Slav Defense	Noteboom Variation	Abrahams Variation
D31	Semi-Slav Defense	Noteboom Variation	Anti-Noteboom Gambit
D31	Semi-Slav Defense	Noteboom Variation	Anti-Noteboom Variation
D32	Queen's Gambit Declined	Tarrasch Defense
D32	Tarrasch Defense
D32	Tarrasch Defense	Grünfeld Gambit
D32	Tarrasch Defense	Marshall Gambit
D32	Tarrasch Defense	Schara Gambit
D32	Tarrasch Defense	Symmetrical Variation
D32	Tarrasch Defense	Tarrasch Gambit
D32	Tarrasch Defense	Two Knights Variation
D32	Tarrasch Defense	von Hennig Gambit
D33	Tarrasch Defense	Dubov Tarrasch
D33	Tarrasch Defense	Prague Variation
D33	Tarrasch Defense	Rubinstein System
D33	Tarrasch Defense	Swedish Variation
D33	Tarrasch Defense	Swedish Variation	Central Break
D33	Tarrasch Defense	Wagner Variation
D34	Queen's Gambit Declined	Tarrasch Defense	Stoltz Variation
D34	Tarrasch Defense	Classical Variation
D34	Tarrasch Defense	Classical Variation	Advance Variation
D34	Tarrasch Defense	Classical Variation	Bogoljubow Variation
D34	Tarrasch Defense	Classical Variation	Carlsbad Variation
D34	Tarrasch Defense	Classical Variation	Chandler Variation
D34	Tarrasch Defense	Classical Variation	Classical Tarrasch Gambit
D34	Tarrasch Defense	Classical Variation	Endgame Variation
D34	Tarrasch Defense	Classical Variation	Main Line
D34	Tarrasch Defense	Classical Variation	Petursson Variation
D34	Tarrasch Defense	Classical Variation	Réti Variation
D34	Tarrasch Defense	Classical Variation	Spassky Variation
D34	Tarrasch Defense	Prague Variation	Main Line
D35	Queen's Gambit Declined	Exchange Variation
D35	Queen's Gambit Declined	Exchange Variation	Chameleon Variation
D35	Queen's Gambit Declined	Exchange Variation	Positional Variation
D35	Queen's Gambit Declined	Exchange Variation	Sämisch Variation
D35	Queen's Gambit Declined	Harrwitz Attack
D35	Queen's Gambit Declined	Normal Defense
D36	Queen's Gambit Declined	Exchange Variation	Reshevsky Variation
D37	Queen's Gambit Declined	Barmen Variation
D37	Queen's Gambit Declined	Harrwitz Attack	Fianchetto Defense
D37	Queen's Gambit Declined	Harrwitz Attack	Main Line
D37	Queen's Gambit Declined	Harrwitz Attack	Orthodox Defense
D37	Queen's Gambit Declined	Harrwitz Attack	Two Knights Defense
D37	Queen's Gambit Declined	Knight Defense	Alekhine Gambit
D37	Queen's Gambit Declined	Miles Variation
D37	Queen's Gambit Declined	Three Knights	Vienna Variation
D37	Queen's Gambit Declined	Three Knights Variation
D37	Queen's Gambit Declined	Vienna Variation	Quiet Variation
D37	Queen's Gambit Declined with d5	Harrwitz Attack
D38	Queen's Gambit Declined	Ragozin Defense
D38	Queen's Gambit Declined	Ragozin Defense	Alekhine Variation
D38	Queen's Gambit Declined	Westphalian Variation
D39	Queen's Gambit Declined	Ragozin Defense	Vienna Variation
D40	Queen's Gambit Declined	Semi-Tarrasch Defense
D40	Queen's Gambit Declined	Semi-Tarrasch Defense	Levenfish Variation
D40	Queen's Gambit Declined	Semi-Tarrasch Defense	Pillsbury Variation
D40	Queen's Gambit Declined	Semi-Tarrasch Defense	Symmetrical Variation
D41	Queen's Gambit Declined	Semi-Tarrasch Defense	Exchange Variation
D41	Queen's Gambit Declined	Semi-Tarrasch Defense	Kmoch Variation
D41	Queen's Gambit Declined	Semi-Tarrasch Defense	San Sebastian Variation
D41	Queen's Gambit Declined with d5	Semi-Tarrasch Defense	Pillsbury Variation
D42	Queen's Gambit Declined	Semi-Tarrasch Defense	Main Line
D43	Queen's Gambit Declined	Hastings Variation
D43	Semi-Slav Defense
D43	Semi-Slav Defense	Anti-Moscow Gambit
D44	Semi-Slav Defense	Botvinnik Variation
D44	Semi-Slav Defense	Botvinnik Variation	Alatortsev System
D44	Semi-Slav Defense	Botvinnik Variation	Ekstrom Variation
D44	Semi-Slav Defense	Botvinnik Variation	Lilienthal Variation
D44	Semi-Slav Defense	Botvinnik Variation	Szabo Variation
D44	Semi-Slav Defense Accepted
D45	Semi-Slav Defense	Accelerated Meran Variation
D45	Semi-Slav Defense	Main Line
D45	Semi-Slav Defense	Normal Variation
D45	Semi-Slav Defense	Rubinstein System
D45	Semi-Slav Defense	Stoltz Variation
D45	Semi-Slav Defense	Stoltz Variation	Center Variation
D45	Semi-Slav Defense	Stoltz Variation	Shabalov Attack
D45	Semi-Slav Defense	Stonewall Defense
D45	Semi-Slav Defense with c4	Stoltz Variation
D46	Semi-Slav Defense	Bogoljubow Variation
D46	Semi-Slav Defense	Chigorin Defense
D46	Semi-Slav Defense	Romih Variation
D46	Semi-Slav Defense with Bd3	Main Line
D47	Semi-Slav Defense	Meran Variation
D47	Semi-Slav Defense	Meran Variation	Lundin Variation
D47	Semi-Slav Defense	Meran Variation	Wade Variation
D47	Semi-Slav Defense	Semi-Meran Variation
D48	Semi-Slav Defense	Meran Variation	Old Variation
D48	Semi-Slav Defense	Meran Variation	Pirc Variation
D48	Semi-Slav Defense	Meran Variation	Reynolds' Variation
D49	Semi-Slav Defense	Meran Variation	Blumenfeld Variation
D49	Semi-Slav Defense	Meran Variation	Rabinovich Variation
D49	Semi-Slav Defense	Meran Variation	Rellstab Attack
D49	Semi-Slav Defense	Meran Variation	Sozin Variation
D49	Semi-Slav Defense	Meran Variation	Stahlberg Variation
D49	Semi-Slav Defense with c4	Meran Variation	Sozin Variation
D50	Queen's Gambit Declined	Been-Koomen Variation
D50	Queen's Gambit Declined	Modern Variation
D50	Queen's Gambit Declined	Pseudo-Tarrasch Variation
D50	Queen's Gambit Declined	Pseudo-Tarrasch Variation	Canal Variation
D50	Queen's Gambit Declined	Pseudo-Tarrasch Variation	Primitive Pillsbury Variation
D50	Queen's Gambit Declined	Semi-Tarrasch Defense	Krause Variation
D51	Queen's Gambit Declined	Alekhine Variation
D51	Queen's Gambit Declined	Capablanca Variation	Anti-Cambridge Springs Variation
D51	Queen's Gambit Declined	Manhattan Variation
D51	Queen's Gambit Declined	Modern Variation	Knight Defense
D51	Queen's Gambit Declined	Rochlin Variation
D52	Queen's Gambit Declined	Cambridge Springs Defense
D52	Queen's Gambit Declined	Cambridge Springs Defense	Argentine Variation
D52	Queen's Gambit Declined	Cambridge Springs Defense	Bogoljubow Variation
D52	Queen's Gambit Declined	Cambridge Springs Defense	Capablanca Variation
D52	Queen's Gambit Declined	Cambridge Springs Defense	Rubinstein Variation
D52	Queen's Gambit Declined	Cambridge Springs Defense	Yugoslav Variation
D52	Queen's Gambit Declined with e6
D53	Queen's Gambit Declined	Lasker Defense
D53	Queen's Gambit Declined	Modern Variation	Heral Variation
D54	Queen's Gambit Declined	Neo-Orthodox Variation
D55	Queen's Gambit Declined	Anti-Tartakower Variation
D55	Queen's Gambit Declined	Anti-Tartakower Variation	Petrosian Variation
D55	Queen's Gambit Declined	Modern Variation	Normal Line
D55	Queen's Gambit Declined	Neo-Orthodox Variation	Main Line
D55	Queen's Gambit Declined	Pillsbury Attack
D55	Queen's Gambit Declined with Nc3	Neo-Orthodox Variation
D56	Queen's Gambit Declined	Lasker Defense	Russian Variation
D56	Queen's Gambit Declined	Lasker Defense	Teichmann Variation
D56	Queen's Gambit Declined with Nf6	Lasker Defense
D57	Queen's Gambit Declined	Lasker Defense	Bernstein Variation
D57	Queen's Gambit Declined	Lasker Defense	Main Line
D58	Queen's Gambit Declined	Tartakower Defense
D58	Queen's Gambit Declined	Tartakower Defense	Exchange Variation
D59	Queen's Gambit Declined	Tartakower Defense	Makogonov Exchange Variation
D59	Queen's Gambit Declined with Nf6	Tartakower Defense
D60	Queen's Gambit Declined	Orthodox Defense
D60	Queen's Gambit Declined	Orthodox Defense	Botvinnik Variation
D60	Queen's Gambit Declined	Orthodox Defense	Rauzer Variation
D61	Queen's Gambit Declined	Orthodox Defense	Rubinstein Variation
D63	Queen's Gambit Declined	Orthodox Defense	Capablanca Variation
D63	Queen's Gambit Declined	Orthodox Defense	Henneberger Variation
D63	Queen's Gambit Declined	Orthodox Defense	Main Line
D63	Queen's Gambit Declined	Orthodox Defense	Pillsbury Variation
D64	Queen's Gambit Declined	Orthodox Defense	Rubinstein Attack
D64	Queen's Gambit Declined with d4	Orthodox Defense	Rubinstein Attack
D64	Queen's Gambit Declined with Nc3	Orthodox Defense	Rubinstein Attack
D65	Queen's Gambit Declined with Nf6	Orthodox Defense	Rubinstein Attack
D66	Queen's Gambit Declined	Orthodox Defense	Bd3 Line
D66	Queen's Gambit Declined	Orthodox Defense	Fianchetto Variation
D67	Queen's Gambit Declined	Orthodox Defense	Alekhine Variation
D67	Queen's Gambit Declined	Orthodox Defense	Capablanca System
D67	Queen's Gambit Declined	Orthodox Defense	Janowski Variation
D67	Queen's Gambit Declined with Nf6	Orthodox Defense	Main Line
D68	Queen's Gambit Declined	Orthodox Defense	Classical Variation
D68	Queen's Gambit Declined with d5	Orthodox Defense	Classical Variation
D68	Queen's Gambit Declined with Nc3	Orthodox Defense	Classical Variation
D70	Neo-Grünfeld Defense	Goglidze Attack
D70	Neo-Grünfeld Defense	with g3
D70	Neo-Grünfeld Defense	with Nf3
D71	Neo-Grünfeld Defense	Exchange Variation
D74	Neo-Grünfeld Defense	Delayed Exchange Variation
D75	Neo-Grünfeld Defense with c4	Delayed Exchange Variation
D75	Neo-Grünfeld Defense with Nf3	Delayed Exchange Variation
D77	Neo-Grünfeld Defense	Classical Variation
D77	Neo-Grünfeld Defense	Classical Variation	Modern Defense
D77	Neo-Grünfeld Defense	Classical Variation	Polgar Variation
D78	Neo-Grünfeld Defense	Classical Variation	Original Defense
D79	Neo-Grünfeld Defense	Ultra-Delayed Exchange Variation
D80	Grünfeld Defense
D80	Grünfeld Defense	Gibbon Gambit
D80	Grünfeld Defense	Lundin Variation
D80	Grünfeld Defense	Lutikov Variation
D80	Grünfeld Defense	Lutikov Variation	Murrey Attack
D80	Grünfeld Defense	Stockholm Variation
D80	Grünfeld Defense	Zaitsev Gambit
D81	Grünfeld Defense	Russian Variation	Accelerated Variation
D82	Grünfeld Defense	Brinckmann Attack
D83	Grünfeld Defense	Brinckmann Attack	Grünfeld Gambit
D83	Grünfeld Defense	Brinckmann Attack	Reshevsky Gambit
D84	Grünfeld Defense	Brinckmann Attack	Grünfeld Gambit Accepted
D85	Grünfeld Defense	Exchange Variation
D85	Grünfeld Defense	Exchange Variation	Modern Exchange Variation
D85	Grünfeld Defense	Exchange Variation	Nadanian Attack
D85	Grünfeld Defense with c4	Exchange Variation	Modern Exchange Variation
D86	Grünfeld Defense	Exchange Variation	Classical Variation
D86	Grünfeld Defense	Exchange Variation	Larsen Variation
D86	Grünfeld Defense	Exchange Variation	Simagin's Improved Variation
D86	Grünfeld Defense	Exchange Variation	Simagin's Lesser Variation
D87	Grünfeld Defense	Exchange Variation	Seville Variation
D87	Grünfeld Defense	Exchange Variation	Spassky Variation
D88	Grünfeld Defense with O-O	Exchange Variation	Spassky Variation
D89	Grünfeld Defense	Exchange Variation	Sokolsky Variation
D90	Grünfeld Defense	Flohr Variation
D90	Grünfeld Defense	Three Knights Variation
D91	Grünfeld Defense	Three Knights Variation	Petrosian System
D92	Grünfeld Defense	Three Knights Variation	Hungarian Attack
D93	Grünfeld Defense	Three Knights Variation	Hungarian Variation
D94	Grünfeld Defense	Flohr Defense
D94	Grünfeld Defense	Makogonov Variation
D94	Grünfeld Defense	Opocensky Variation
D94	Grünfeld Defense	Smyslov Defense
D94	Grünfeld Defense	Three Knights Variation	Burille Variation
D94	Grünfeld Defense	Three Knights Variation	Paris Variation
D95	Grünfeld Defense	Botvinnik Variation
D95	Grünfeld Defense	Pachman Variation
D95	Grünfeld Defense	Three Knights Variation	Vienna Variation
D96	Grünfeld Defense	Russian Variation
D97	Grünfeld Defense	Russian Variation	Byrne Variation
D97	Grünfeld Defense	Russian Variation	Hungarian Variation
D97	Grünfeld Defense	Russian Variation	Levenfish Variation
D97	Grünfeld Defense	Russian Variation	Prins Variation
D97	Grünfeld Defense	Russian Variation	Szabo Variation
D98	Grünfeld Defense	Russian Variation	Keres Variation
D98	Grünfeld Defense	Russian Variation	Smyslov Variation
D99	Grünfeld Defense	Russian Variation	Yugoslav Variation
E00	Catalan Opening
E00	Catalan Opening	Hungarian Gambit
E00	Indian Defense	Devin Gambit
E00	Indian Defense	Seirawan Attack
E01	Catalan Opening	Closed
E02	Catalan Opening	Open Defense
E03	Catalan Opening	Open Defense	Alekhine Variation
E04	Catalan Opening	Open Defense	Modern Sharp Variation
E04	Catalan Opening with Qa4+	Open Defense
E05	Catalan Opening	Open Defense	Classical Line
E05	Catalan Opening with g3	Open Defense	Classical Line
E06	Catalan Opening with g3	Closed
E07	Catalan Opening	Closed	Botvinnik Variation
E07	Catalan Opening with c6	Closed
E08	Catalan Opening	Closed	Spassky Gambit
E08	Catalan Opening	Closed	Zagoryansky Variation
E08	Catalan Opening with Nbd2	Closed
E09	Catalan Opening	Closed	Main Line
E09	Catalan Opening	Closed	Sokolsky Variation
E09	Catalan Opening	Closed Variation	Rabinovich Variation
E09	Catalan Opening	Closed Variation	Traditional Variation
E09	Catalan Opening with Nbd2	Closed	Main Line
E09	Catalan Opening with Nbd7	Closed	Main Line
E10	Blumenfeld Countergambit
E10	Blumenfeld Countergambit	Duz-Khotimirsky Variation
E10	Blumenfeld Countergambit	Spielmann Variation
E10	Blumenfeld Countergambit Accepted
E10	Indian Defense	Anti-Nimzo-Indian
E10	Indian Defense	Döry Indian
E10	Indian Defense	Dzindzi-Indian Defense
E11	Bogo-Indian Defense
E11	Bogo-Indian Defense	Exchange Variation
E11	Bogo-Indian Defense	Grünfeld Variation
E11	Bogo-Indian Defense	Haiti Variation
E11	Bogo-Indian Defense	Monticelli Trap
E11	Bogo-Indian Defense	New England Variation
E11	Bogo-Indian Defense	Nimzowitsch Variation
E11	Bogo-Indian Defense	Retreat Variation
E11	Bogo-Indian Defense	Vitolins Variation
E11	Bogo-Indian Defense	Wade-Smyslov Variation
E11	Bogo-Indian Defense with Bb4+	Retreat Variation
E11	Bogo-Indian Defense with Nf3	Retreat Variation
E12	Nimzo-Indian Defense	Three Knights Variation	Duchamp Variation
E12	Queen's Indian Defense
E12	Queen's Indian Defense	Kasparov Variation
E12	Queen's Indian Defense	Kasparov Variation	Botvinnik Attack
E12	Queen's Indian Defense	Kasparov-Petrosian Variation
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Andersson Variation
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Classical Variation
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Hedgehog Variation
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Kasparov Attack
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Main Line
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Marco Defense
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Modern Variation
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Petrosian Attack
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Polovodin Gambit
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Rashkovsky Attack
E12	Queen's Indian Defense	Kasparov-Petrosian Variation	Romanishin Attack
E12	Queen's Indian Defense	Miles Variation
E12	Queen's Indian Defense	Petrosian Variation
E12	Queen's Indian Defense	Petrosian Variation	Farago Defense
E14	Queen's Indian Defense	Averbakh Variation
E14	Queen's Indian Defense	Spassky System
E15	Queen's Indian Defense	Buerger Variation
E15	Queen's Indian Defense	Fianchetto Variation
E15	Queen's Indian Defense	Fianchetto Variation	Check Variation
E15	Queen's Indian Defense	Fianchetto Variation	Nimzowitsch Variation
E15	Queen's Indian Defense	Fianchetto Variation	Rubinstein Variation
E15	Queen's Indian Defense	Fianchetto Variation	Sämisch Variation
E15	Queen's Indian Defense	Fianchetto Variation	Traditional Line
E16	Queen's Indian Defense	Capablanca Variation
E16	Queen's Indian Defense	Riumin Variation
E16	Queen's Indian Defense	Yates Variation
E17	Queen's Indian Defense	Anti-Queen's Indian System
E17	Queen's Indian Defense	Classical Variation
E17	Queen's Indian Defense	Classical Variation	Polugaevsky Gambit
E17	Queen's Indian Defense	Classical Variation	Taimanov Gambit
E17	Queen's Indian Defense	Euwe Variation
E17	Queen's Indian Defense	Fianchetto Variation	Kramnik Variation
E17	Queen's Indian Defense	Opocensky Variation
E17	Queen's Indian Defense	Traditional Variation
E18	Queen's Indian Defense	Classical Variation	Tiviakov Defense
E18	Queen's Indian Defense	Classical Variation	Traditional Variation
E20	Nimzo-Indian Defense
E20	Nimzo-Indian Defense	Kmoch Variation
E20	Nimzo-Indian Defense	Mikenas Attack
E20	Nimzo-Indian Defense	Romanishin Variation
E20	Nimzo-Indian Defense	Romanishin Variation	English Hybrid
E20	Nimzo-Indian Defense with g3	Romanishin Variation
E21	Nimzo-Indian Defense	Three Knights Variation
E21	Nimzo-Indian Defense	Three Knights Variation	Euwe Variation
E21	Nimzo-Indian Defense	Three Knights Variation	Korchnoi Variation
E21	Nimzo-Indian Defense	Three Knights Variation	Shocron Gambit
E22	Nimzo-Indian Defense	Spielmann Variation
E23	Nimzo-Indian Defense	Spielmann Variation	Carlsbad Variation
E23	Nimzo-Indian Defense	Spielmann Variation	Romanovsky Gambit
E23	Nimzo-Indian Defense	Spielmann Variation	Stahlberg Variation
E24	Nimzo-Indian Defense	Sämisch Variation	Accelerated
E24	Nimzo-Indian Defense	Sämisch Variation	Botvinnik Variation
E25	Nimzo-Indian Defense	Sämisch Variation
E25	Nimzo-Indian Defense	Sämisch Variation	Keres Variation
E25	Nimzo-Indian Defense	Sämisch Variation	Romanovsky Variation
E26	Nimzo-Indian Defense	Sämisch Variation	O'Kelly Variation
E26	Nimzo-Indian Defense with f3	Sämisch Variation
E29	Nimzo-Indian Defense	Sämisch Variation	Capablanca Variation
E30	Nimzo-Indian Defense	Leningrad Variation
E30	Nimzo-Indian Defense	Leningrad Variation	Averbakh Gambit
E31	Nimzo-Indian Defense	Leningrad Variation	Benoni Defense
E32	Nimzo-Indian Defense	Classical Variation
E32	Nimzo-Indian Defense	Classical Variation	Keres Defense
E32	Nimzo-Indian Defense	Classical Variation	Vitolins-Adorjan Gambit
E33	Nimzo-Indian Defense	Classical Variation	Milner-Barry Variation
E33	Nimzo-Indian Defense	Classical Variation	Zurich Variation
E34	Nimzo-Indian Defense	Classical Variation	Belyavsky Gambit
E34	Nimzo-Indian Defense	Classical Variation	Noa Variation
E36	Nimzo-Indian Defense with cxd5	Classical Variation	Noa Variation
E38	Nimzo-Indian Defense	Classical Variation	Berlin Variation
E40	Nimzo-Indian Defense	Normal Line
E40	Nimzo-Indian Defense	Normal Variation	Taimanov Variation
E41	Nimzo-Indian Defense	Hübner Variation
E41	Nimzo-Indian Defense	Hübner Variation	Main Line
E41	Nimzo-Indian Defense	Normal Variation	Hübner Deferred
E42	Nimzo-Indian Defense	Hübner Variation	Rubinstein Variation
E43	Nimzo-Indian Defense	St. Petersburg Variation
E43	Nimzo-Indian Defense	St. Petersburg Variation	with Ne4
E43	Nimzo-Indian Defense with b6	St. Petersburg Variation
E43	Nimzo-Indian Defense with e3	St. Petersburg Variation
E44	Nimzo-Indian Defense	Fischer Variation
E45	Nimzo-Indian Defense	Normal Variation	Bronstein (Byrne) Variation
E46	Nimzo-Indian Defense	Normal Variation
E46	Nimzo-Indian Defense	Reshevsky Variation
E46	Nimzo-Indian Defense	Simagin Variation
E47	Nimzo-Indian Defense	Normal Variation	Bishop Attack
E48	Nimzo-Indian Defense	Ragozin Defense
E49	Nimzo-Indian Defense	Normal Variation	Botvinnik System
E51	Nimzo-Indian Defense	Normal Variation	Ragozin Variation
E51	Nimzo-Indian Defense	Normal Variation	Sämisch Deferred
E51	Nimzo-Indian Defense	Ragozin Variation
E52	Nimzo-Indian Defense	Normal Variation	Schlechter Defense
E52	Nimzo-Indian Defense with O-O	Normal Variation	Schlechter Defense
E53	Nimzo-Indian Defense	Normal Variation	Gligoric System
E59	Nimzo-Indian Defense	Normal Variation	Bernstein Defense
E60	Grünfeld Defense	Counterthrust Variation
E60	Indian Defense	Anti-Grünfeld	Adorjan Gambit
E60	Indian Defense	Anti-Grünfeld	Advance Variation
E60	Indian Defense	Anti-Grünfeld	Alekhine Variation
E60	Indian Defense	Anti-Grünfeld	Basman-Williams Attack
E60	Indian Defense	King's Indian Variation	Fianchetto Variation
E60	Indian Defense	West Indian Defense
E60	King's Indian Defense	Fianchetto Variation	Immediate Fianchetto
E60	King's Indian Defense	Normal Variation	King's Knight Variation
E60	King's Indian Defense	Santasiere Variation
E60	King's Indian Defense	Semi-Classical Variation	Benoni Variation
E60	King's Indian Defense	Semi-Classical Variation	Hollywood Variation
E60	Queen's Pawn, Mengarini Attack
E61	King's Indian Defense
E61	King's Indian Defense	Fianchetto Variation	Benjamin Defense
E61	King's Indian Defense	Semi-Classical Variation
E61	King's Indian Defense	Semi-Classical Variation	Exchange Variation
E61	King's Indian Defense	Semi-Classical Variation	Queenside Storm Line
E61	King's Indian Defense	Smyslov Variation
E62	King's Indian Defense	Fianchetto Variation	Carlsbad Variation
E62	King's Indian Defense	Fianchetto Variation	Delayed Fianchetto
E62	King's Indian Defense	Fianchetto Variation	Kavalek Defense
E62	King's Indian Defense	Fianchetto Variation	Larsen Defense
E62	King's Indian Defense	Fianchetto Variation	Lesser Simagin (Spassky)
E62	King's Indian Defense	Fianchetto Variation	Simagin Variation
E62	King's Indian Defense	Fianchetto Variation	Uhlmann-Szabo System
E63	King's Indian Defense	Fianchetto Variation	Panno Variation
E64	King's Indian Defense	Fianchetto Variation	Double Fianchetto Attack
E64	King's Indian Defense	Fianchetto Variation	Hungarian Variation
E64	King's Indian Defense	Fianchetto Variation	Pterodactyl Variation
E64	King's Indian Defense	Fianchetto Variation	Yugoslav System
E65	King's Indian Defense	Fianchetto Variation	Yugoslav Variation
E67	King's Indian Defense	Fianchetto Variation	Classical Fianchetto
E67	King's Indian Defense	Fianchetto Variation	Debrecen Defense
E68	King's Indian Defense	Fianchetto Variation	Classical Variation
E68	King's Indian Defense	Fianchetto Variation	Long Variation
E69	King's Indian Defense	Fianchetto Variation	Classical Main Line
E70	King's Indian Defense	Accelerated Averbakh Variation
E70	King's Indian Defense	Kramer Variation
E70	King's Indian Defense	Normal Variation
E71	King's Indian Defense	Makogonov Variation
E72	King's Indian Defense	Normal Variation	Deferred Fianchetto
E72	King's Indian Defense	Pomar System
E73	King's Indian Defense	Averbakh Variation
E73	King's Indian Defense	Averbakh Variation	Flexible Defense
E73	King's Indian Defense	Averbakh Variation	Geller Defense
E73	King's Indian Defense	Averbakh Variation	Modern Defense
E73	King's Indian Defense	Averbakh Variation	Nc6 Defense
E73	King's Indian Defense	Averbakh Variation	Spanish Defense
E73	King's Indian Defense	Normal Variation	Standard Development
E73	King's Indian Defense	Semi-Averbakh System
E74	King's Indian Defense	Averbakh Variation	Benoni Defense
E75	King's Indian Defense	Averbakh Variation	Main Line
E76	King's Indian Defense	Four Pawns Attack
E76	King's Indian Defense	Four Pawns Attack	Dynamic Attack
E76	King's Indian Defense	Four Pawns Attack	Modern Defense
E77	King's Indian Defense	Four Pawns Attack	Florentine Gambit
E77	King's Indian Defense	Four Pawns Attack	Normal Attack
E77	King's Indian Defense	Six Pawns Attack
E77	King's Indian Defense with f4	Four Pawns Attack
E78	King's Indian Defense	Four Pawns Attack	Fluid Attack
E79	King's Indian Defense	Four Pawns Attack	Exchange Variation
E80	King's Indian Defense	Sämisch Variation
E81	King's Indian Defense	Sämisch Variation	Bobotsov-Korchnoi-Petrosian Variation
E81	King's Indian Defense	Sämisch Variation	Byrne Defense
E81	King's Indian Defense	Sämisch Variation	Normal Defense
E81	King's Indian Defense	Sämisch Variation	Sämisch Gambit
E81	King's Indian Defense	Steiner Attack
E82	King's Indian Defense	Sämisch Variation	Double Fianchetto
E83	King's Indian Defense	Sämisch Variation	Panno Formation
E83	King's Indian Defense	Sämisch Variation	Ruban Variation
E83	King's Indian Defense	Sämisch Variation	Yates Defense
E84	King's Indian Defense	Sämisch Variation	Panno Main Line
E85	King's Indian Defense	Sämisch Variation	Orthodox Variation
E87	King's Indian Defense	Sämisch Variation	Bronstein Defense
E87	King's Indian Defense	Sämisch Variation	Closed Variation
E90	King's Indian Defense	Larsen Variation
E90	King's Indian Defense	Normal Variation	Rare Defenses
E90	King's Indian Defense	Zinnowitz Variation
E91	King's Indian Defense	Kazakh Variation
E91	King's Indian Defense	Orthodox Variation
E92	King's Indian Defense	Exchange Variation
E92	King's Indian Defense	Orthodox Variation	Gligoric-Taimanov System
E92	King's Indian Defense	Petrosian Variation
E92	King's Indian Defense	Petrosian Variation	Stein Defense
E93	King's Indian Defense	Petrosian Variation	Keres Defense
E93	King's Indian Defense	Petrosian Variation	Normal Defense
E94	King's Indian Defense	Orthodox Variation	Donner Defense
E94	King's Indian Defense	Orthodox Variation	Glek Defense
E94	King's Indian Defense	Orthodox Variation	Positional Defense
E94	King's Indian Defense	Orthodox Variation	Ukrainian Defense
E97	King's Indian Defense	Orthodox Variation	Aronin-Taimanov Defense
E97	King's Indian Defense	Orthodox Variation	Bayonet Attack
E97	King's Indian Defense	Orthodox Variation	Korchnoi Attack
E97	King's Indian Defense	Orthodox Variation	Modern System
E98	King's Indian Defense	Orthodox Variation	Classical System