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ECO volume A — Flank openings

Volume A of the Encyclopaedia of Chess Openings spans ECO codes A00–A99 — flank openings.

This encyclopedia catalogues 70 opening families and 1025 variation lines in the volume. Each family page lists every line with a diagram of the family head.

All 817 openings in volume A

Amar Opening · Amar Opening: Paris Gambit · Amar Opening: Paris Gambit, Gent Gambit · Amsterdam Attack · Anderssen's Opening · Anderssen's Opening: Polish Gambit · Barnes Opening · Barnes Opening: Fool's Mate · Barnes Opening: Gedult Gambit · Barnes Opening: Gedult Gambit · Barnes Opening: Hammerschlag · Clemenz Opening · Clemenz Opening: Spike Lee Gambit · Creepy Crawly Formation: Classical Defense · Formation: Hippopotamus Attack · Formation: Shy Attack · Global Opening · Grob Opening · Grob Opening: Alessi Gambit · Grob Opening: Double Grob · Grob Opening: Double Grob, Coca-Cola Gambit · Grob Opening: Grob Gambit · Grob Opening: Grob Gambit Declined · Grob Opening: Grob Gambit, Basman Gambit · Grob Opening: Grob Gambit, Fritz Gambit · Grob Opening: Grob Gambit, Fritz Gambit, Romford Countergambit · Grob Opening: Grob Gambit, Keres Gambit · Grob Opening: Grob Gambit, Richter-Grob Gambit · Grob Opening: Keene Defense · Grob Opening: Keene Defense, Main Line · Grob Opening: London Defense · Grob Opening: Romford Countergambit · Grob Opening: Spike Attack · Grob Opening: Spike, Hurst Attack · Grob Opening: Zilbermints Gambit · Grob Opening: Zilbermints Gambit, Schiller Defense · Grob Opening: Zilbermints Gambit, Zilbermints-Hartlaub Gambit · Hungarian Opening · Hungarian Opening: Asten Gambit · Hungarian Opening: Burk Gambit · Hungarian Opening: Bücker Gambit · Hungarian Opening: Catalan Formation · Hungarian Opening: Dutch Defense · Hungarian Opening: Indian Defense · Hungarian Opening: Myers Defense · Hungarian Opening: Pachman Gambit · Hungarian Opening: Paris Gambit · Hungarian Opening: Reversed Alekhine · Hungarian Opening: Reversed Brooklyn Defense, Brooklyn Benko Gambit · Hungarian Opening: Reversed Modern Defense · Hungarian Opening: Reversed Norwegian Defense · Hungarian Opening: Sicilian Invitation · Hungarian Opening: Slav Formation · Hungarian Opening: Symmetrical Variation · Hungarian Opening: Van Kuijk Gambit · Hungarian Opening: Winterberg Gambit · Kádas Opening · Kádas Opening: Beginner's Trap · Kádas Opening: Koola-Koola Variation · Kádas Opening: Kádas Gambit · Kádas Opening: Kádas Gambit · Kádas Opening: Kádas Gambit · Kádas Opening: Myers Variation · Kádas Opening: Schneider Gambit · Kádas Opening: Steinbok Gambit · Lasker Simul Special · Mieses Opening · Mieses Opening: Myers Spike Attack · Mieses Opening: Reversed Rat · Mieses Opening: Venezolana Variation · Polish Opening · Polish Opening, with d5 · Polish Opening, with d5 · Polish Opening: Baltic Defense · Polish Opening: Birmingham Gambit · Polish Opening: Bugayev Advance Variation · Polish Opening: Bugayev Attack · Polish Opening: Czech Defense · Polish Opening: Dutch Defense · Polish Opening: German Defense · Polish Opening: Grigorian Variation · Polish Opening: Karniewski Variation · Polish Opening: King's Indian Variation · Polish Opening: King's Indian Variation, Schiffler Attack · Polish Opening: King's Indian Variation, Sokolsky Attack · Polish Opening: Myers Variation · Polish Opening: Outflank Variation · Polish Opening: Outflank Variation, Schuehler Gambit · Polish Opening: Queen's Indian Variation · Polish Opening: Queenside Defense · Polish Opening: Rooks Swap Line · Polish Opening: Schiffler-Sokolsky Variation · Polish Opening: Schuehler Gambit · Polish Opening: Symmetrical Variation · Polish Opening: Tartakower Gambit · Polish Opening: Wolferts Gambit · Saragossa Opening · Sodium Attack · Sodium Attack: Celadon Variation · Sodium Attack: Chenoboskion Variation · Sodium Attack: Durkin Gambit · Valencia Opening · Van Geet Opening · Van Geet Opening: Battambang Variation · Van Geet Opening: Billockus-Johansen Gambit · Van Geet Opening: Damhaug Gambit · Van Geet Opening: Dougherty Gambit · Van Geet Opening: Dunst-Perrenet Gambit · Van Geet Opening: Düsseldorf Gambit · Van Geet Opening: Gladbacher Gambit · Van Geet Opening: Hector Gambit · Van Geet Opening: Hergert Gambit · Van Geet Opening: Hulsemann Gambit · Van Geet Opening: Jendrossek Gambit · Van Geet Opening: Kluever Gambit · Van Geet Opening: Laroche Gambit · Van Geet Opening: Liebig Gambit · Van Geet Opening: Melleby Gambit · Van Geet Opening: Myers Attack · Van Geet Opening: Napoleon Attack · Van Geet Opening: Novosibirsk Variation · Van Geet Opening: Nowokunski Gambit · Van Geet Opening: Pfeiffer Gambit · Van Geet Opening: Pfeiffer Gambit, Sleipnir Countergambit · Van Geet Opening: Reversed Nimzowitsch · Van Geet Opening: Reversed Scandinavian · Van Geet Opening: Sicilian Two Knights · Van Geet Opening: Sleipnir Gambit · Van Geet Opening: Twyble Attack · Van Geet Opening: Tübingen Gambit · Van Geet Opening: Venezolana Variation · Van Geet Opening: Warsteiner Gambit · Van't Kruijs Opening · Van't Kruijs Opening: Bouncing Bishop Variation · Van't Kruijs Opening: Keoni-Hiva Gambit, Akahi Variation · Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation · Van't Kruijs Opening: Keoni-Hiva Gambit, Ekolu Variation · Ware Opening · Ware Opening: Cologne Gambit · Ware Opening: Crab Variation · Ware Opening: Meadow Hay Trap · Ware Opening: Symmetric Variation · Ware Opening: Ware Gambit · Ware Opening: Wing Gambit · Nimzo-Larsen Attack · Nimzo-Larsen Attack: Classical Variation · Nimzo-Larsen Attack: Dutch Variation · Nimzo-Larsen Attack: English Variation · Nimzo-Larsen Attack: Graz Attack · Nimzo-Larsen Attack: Indian Variation · Nimzo-Larsen Attack: Modern Variation · Nimzo-Larsen Attack: Modern Variation · Nimzo-Larsen Attack: Modern Variation · Nimzo-Larsen Attack: Modern Variation · Nimzo-Larsen Attack: Pachman Gambit · Nimzo-Larsen Attack: Polish Variation · Nimzo-Larsen Attack: Ringelbach Gambit · Nimzo-Larsen Attack: Spike Variation · Nimzo-Larsen Attack: Symmetrical Variation · Bird Opening · Bird Opening: Batavo-Polish Attack · Bird Opening: Double Duck Formation · Bird Opening: From's Gambit · Bird Opening: From's Gambit, Bahr Gambit · Bird Opening: From's Gambit, Langheld Gambit · Bird Opening: From's Gambit, Lasker Variation · Bird Opening: From's Gambit, Lipke Variation · Bird Opening: Hobbs Gambit · Bird Opening: Hobbs-Zilbermints Gambit · Bird Opening: Horsefly Defense · Bird Opening: Lasker Gambit · Bird Opening: Mujannah · Bird Opening: Myers Defense · Bird Opening: Platz Gambit · Bird Opening: Schlechter Gambit · Bird Opening: Siegener Gambit · Bird Opening: Swiss Gambit · Bird Opening: Wagner-Zwitersch Gambit · Bird Opening: Dutch Variation · Bird Opening: Dutch Variation, Dudweiler Gambit · Bird Opening: Lasker Variation · Bird Opening: Sturm Gambit · Bird Opening: Thomas Gambit · Bird Opening: Williams Gambit · Bird Opening: Williams Gambit · Bird Opening: Williams-Zilbermints Gambit · Colle System: Rhamphorhynchus Variation · Modern Defense: Semi-Averbakh Variation, Polish Variation · Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation · Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted · Zukertort Defense: Kingside Variation · Zukertort Defense: Sicilian Knight Variation · Zukertort Opening · Zukertort Opening: Arctic Defense · Zukertort Opening: Arctic Defense, Drunken Knight Variation · Zukertort Opening: Basman Defense · Zukertort Opening: Black Mustang Defense · Zukertort Opening: Drunken Cavalry Variation · Zukertort Opening: Dutch Variation · Zukertort Opening: Herrstrom Gambit · Zukertort Opening: Kingside Fianchetto · Zukertort Opening: Lisitsyn Gambit · Zukertort Opening: Lisitsyn Gambit Deferred · Zukertort Opening: Pirc Invitation · Zukertort Opening: Polish Defense · Zukertort Opening: Queen's Gambit Invitation · Zukertort Opening: Queenside Fianchetto Variation · Zukertort Opening: Ross Gambit · Zukertort Opening: Shabalov Gambit · Zukertort Opening: Sicilian Invitation · Zukertort Opening: Slav Invitation · Zukertort Opening: Speelsmet Gambit · Zukertort Opening: St. George Defense · Zukertort Opening: The Walrus · Zukertort Opening: Vos Gambit · Zukertort Opening: Wade Defense · Zukertort Opening: Ware Defense · King's Indian Attack · King's Indian Attack: Smyslov Variation · King's Indian Attack: Spassky Variation · King's Indian Attack: Symmetrical Defense · King's Indian Attack: Wahls Defense · Polish Opening: Zukertort System · Zukertort Opening · Zukertort Opening · Zukertort Opening: Double Fianchetto Attack · Zukertort Opening: Lemberger Gambit · Zukertort Opening: Myers Polish Attack · Zukertort Opening: Nimzo-Larsen Variation · Zukertort Opening: Quiet System · Nimzo-Larsen Attack: Classical Variation · Nimzo-Larsen Attack: Norfolk Gambit · Nimzo-Larsen Attack: Norfolk Gambit · Zukertort Opening · Zukertort Opening: Ampel Variation · Zukertort Opening: Old Indian Attack · Zukertort Opening: Pachman Gambit · Zukertort Opening: Regina-Nu Gambit · Zukertort Opening: Reversed Mexican Defense · Zukertort Opening: Santasiere's Folly · Zukertort Opening: Tennison Gambit · Zukertort Opening: Tennison Gambit, Brigg's Trap · Zukertort Opening: The Potato · Hungarian Opening: Wiedenhagen-Beta Gambit · King's Indian Attack · King's Indian Attack, with Bf5 · King's Indian Attack, with Bf5 · King's Indian Attack, with Bf5 · King's Indian Attack, with Bf5 · King's Indian Attack, with Bf5 · King's Indian Attack, with e6 · King's Indian Attack, with e6 · King's Indian Attack: Double Fianchetto · King's Indian Attack: Keres Variation · King's Indian Attack: Keres Variation · King's Indian Attack: Keres Variation · King's Indian Attack: Keres Variation · King's Indian Attack: Omega-Delta Gambit · King's Indian Attack: Pachman System · King's Indian Attack: Sicilian Variation · King's Indian Attack: Yugoslav Variation · King's Indian Attack: Yugoslav Variation · King's Indian Attack: French Variation · King's Indian Attack: Sicilian Variation · King's Indian Attack: Sicilian Variation · King's Indian Attack: Sicilian Variation · Zukertort Opening: Reversed Grünfeld · Zukertort Opening: Reversed Grünfeld · Zukertort Opening: Reversed Grünfeld · Zukertort Opening: Reversed Grünfeld · Réti Opening · Réti Opening: Advance Variation · Réti Opening: Advance Variation, Michel Gambit · Réti Opening: Advance Variation, Navara Gambit · Réti Opening: Penguin Variation · Réti Opening: Reversed Blumenfeld Gambit · Réti Opening: Réti Accepted · Réti Opening: Réti Gambit, Keres Variation · Réti Opening: Zilbermints Gambit · English Opening · English Opening: Achilles-Omega Gambit · English Opening: Adorjan Defense · English Opening: Anglo-Dutch Defense · English Opening: Anglo-Dutch Defense, Hickmann Gambit · English Opening: Anglo-Dutch Variation, Chabanon Gambit · English Opening: Anglo-Dutch Variation, Ferenc Gambit · English Opening: Anglo-Lithuanian Variation · English Opening: Anglo-Scandinavian Defense · English Opening: Anglo-Scandinavian Defense, Löhn Gambit · English Opening: Anglo-Scandinavian Defense, Malvinas Variation · English Opening: Anglo-Scandinavian Defense, Schulz Gambit · English Opening: Great Snake Variation · English Opening: Jaenisch Gambit · English Opening: King's English Variation, Botvinnik System, Prickly Pawn Pass System · English Opening: Myers Defense · English Opening: Myers Gambit · English Opening: Porcupine Variation · English Opening: Wade Gambit · English Opening: Zilbermints Gambit · English Opening: Caro-Kann Defensive System · Réti Opening: Anglo-Slav Variation, Gurevich System · Réti Opening: Anglo-Slav Variation, Gurevich System · Réti Opening: Anglo-Slav Variation, Gurevich System · Réti Opening: Anglo-Slav Variation, Gurevich System · Réti Opening: Anglo-Slav Variation, Gurevich System · Réti Opening: Anglo-Slav Variation, with g3 · Réti Opening: Anglo-Slav Variation, with g3 · Réti Opening: Anglo-Slav Variation, with g3 · Réti Opening: Anglo-Slav Variation, with g3 · Réti Opening: Anglo-Slav Variation, with g3 · Réti Opening: Anglo-Slav Variation, with g3 · Réti Opening: Anglo-Slav Variation · Réti Opening: Anglo-Slav Variation, Bled Variation · Réti Opening: Anglo-Slav Variation, Bogoljubow Variation · Réti Opening: Anglo-Slav Variation, Bogoljubow Variation · Réti Opening: Anglo-Slav Variation, Bogoljubow Variation · Réti Opening: Anglo-Slav Variation, Bogoljubow Variation · Réti Opening: Anglo-Slav Variation, Capablanca Variation · Réti Opening: Anglo-Slav Variation, Capablanca Variation · Réti Opening: Anglo-Slav Variation, Capablanca Variation · Réti Opening: Anglo-Slav Variation, London Defensive System · Réti Opening: Anglo-Slav Variation, London Defensive System · Réti Opening: Anglo-Slav Variation, London Defensive System · Réti Opening: Anglo-Slav Variation, London Defensive System · Réti Opening: Anglo-Slav Variation, New York System · Réti Opening: Anglo-Slav Variation, New York System · Réti Opening: Anglo-Slav Variation, New York System · Réti Opening: Anglo-Slav Variation, Torre System · Réti Opening: Anglo-Slav Variation, Torre System · Réti Opening: Anglo-Slav Variation, Torre System · Réti Opening: Anglo-Slav Variation, Torre System · Réti Opening: Anglo-Slav Variation, with dxc4 · English Opening: Agincourt Defense · English Opening: Agincourt Defense · English Opening: Agincourt Defense · English Opening: Agincourt Defense · English Opening: Agincourt Defense · English Opening: Agincourt Defense, Bogoljubow Defense · English Opening: Agincourt Defense, Catalan Defense · English Opening: Agincourt Defense, Catalan Defense · English Opening: Agincourt Defense, Catalan Defense Accepted · English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense · English Opening: Agincourt Defense, Kurajica Defense · English Opening: Agincourt Defense, Tarrasch Defense · English Opening: Agincourt Defense, Wimpy System · English Opening: Neo-Catalan · English Opening: Neo-Catalan Declined · English Opening: Romanishin Gambit · English Opening: Agincourt Defense, Keres Defense · English Opening: Agincourt Defense, Neo-Catalan Declined · English Opening: Agincourt Defense, Neo-Catalan Declined · English Opening: Agincourt Defense, Neo-Catalan Declined · English Opening: Agincourt Defense, Neo-Catalan Declined · English Opening: Agincourt Defense, Neo-Catalan Declined · English Opening: Agincourt Defense, Neo-Catalan Declined · English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 · English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 · English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 · Réti Opening: Anglo-Slav Variation · Réti Opening: Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line · English Opening: Anglo-Indian Defense · English Opening: Anglo-Indian Defense, Anti-Anti-Grünfeld · English Opening: Anglo-Indian Defense, Grünfeld Formation · English Opening: Anglo-Indian Defense, King's Indian Formation · English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto · English Opening: Anglo-Indian Defense, King's Knight Variation · English Opening: Anglo-Indian Defense, Old Indian Formation · English Opening: Anglo-Indian Defense, Queen's Indian Formation · English Opening: Anglo-Indian Defense, Queen's Indian Formation · English Opening: Anglo-Indian Defense, Romanishin Variation · English Opening: Anglo-Indian Defense, Scandinavian Defense · English Opening: Anglo-Indian Defense, Scandinavian Defense, Exchange Variation · English Opening: Anglo-Indian Defense, Slav Formation · English Orangutan · English Orangutan · English Opening: Anglo-Grünfeld Defense · English Opening: Anglo-Grünfeld Defense, Korchnoi Variation · English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation · English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation · English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation · English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation · English Opening: Anglo-Indian Defense, Queen's Knight Variation · English Opening: Anglo-Indian Defense · English Opening: Anglo-Indian Defense, Hedgehog System · English Opening: Anglo-Indian Defense, Nimzo-English · English Opening: Anglo-Indian Defense, Queen's Indian Formation · English Opening: Anglo-Indian Defense, Queen's Indian Variation · English Opening: Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack · English Opening: Mikenas-Carls Variation · English Opening: Mikenas-Carls Variation · English Opening: Mikenas-Carls Variation · English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit · English Opening: Mikenas-Carls, Sicilian · English Opening: Drill Variation · English Opening: King's English Variation · English Opening: King's English Variation, Kahiko-Hula Gambit · English Opening: King's English Variation, Nimzowitsch Variation · English Opening: King's English Variation, Nimzowitsch-Flohr Variation · English Opening: King's English Variation · English Opening: King's English Variation, Keres Defense · English Opening: King's English Variation, Kramnik-Shirov Counterattack · English Opening: King's English Variation, Reversed Sicilian · English Opening: King's English Variation, Smyslov Defense · English Opening: King's English Variation, Troger Defense · English Opening: Carls-Bremen System · English Opening: King's English Variation, Adhiban Gambit · English Opening: King's English Variation, Bellon Gambit · English Opening: King's English Variation, Two Knights Variation · English Opening: King's English Variation, Two Knights Variation, Reversed Dragon · English Opening: King's English Variation, Two Knights Variation, Smyslov System · English Opening: King's English, Erbenheimer Gambit · English Opening: King's English, Mazedonisch · English Opening: King's English Variation, Two Knights Variation, Keres Variation · English Opening: King's English Variation, Two Knights Variation, Keres Variation · English Opening: King's English Variation, Two Knights Variation, Fianchetto Line · English Opening: Closed, Taimanov Variation · English Opening: Closed, Taimanov Variation · English Opening: King's English Variation, Bremen-Hort Variation · English Opening: King's English Variation, Closed System · English Opening: King's English Variation, Hungarian Attack · English Opening: King's English Variation, Reversed Closed Sicilian · English Opening: King's English Variation, Reversed Closed Sicilian · English Opening: King's English Variation, Reversed Closed Sicilian · English Opening: King's English Variation, Reversed Closed Sicilian · English Opening: King's English Variation, Reversed Closed Sicilian · English Opening: King's English Variation, Taimanov Variation · English Opening: King's English Variation, Botvinnik System · English Opening: King's English Variation, Closed System, Full Symmetry · English Opening: King's English Variation, Three Knights System · English Opening: Four Knights System, Nimzowitsch Variation · English Opening: King's English Variation, Four Knights Variation · English Opening: King's English Variation, Four Knights Variation · English Opening: King's English Variation, Four Knights Variation, Bradley Beach Variation · English Opening: King's English Variation, Four Knights Variation, Flexible Line · English Opening: King's English Variation, Four Knights Variation, Korchnoi Line · English Opening: King's English Variation, Four Knights Variation, Quiet Line · English Opening: King's English Variation, Four Knights Variation, Quiet Line · English Opening: King's English Variation, Four Knights Variation, Quiet Line · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc6 · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6 · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6 · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be7 · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a6 · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, h6 · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Bc5 · English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 · English Opening: Symmetrical Variation · English Opening: Symmetrical Variation · English Opening: Symmetrical Variation, Hedgehog Defense · English Opening: Symmetrical Variation, Napolitano Gambit · English Opening: Symmetrical, Hedgehog, Flexible Formation · English Opening: Wing Gambit · English Opening: Symmetrical Variation, Anti-Benoni Variation · English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense · English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation · English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense · English Opening: Symmetrical Variation · English Opening: Symmetrical Variation, Fianchetto Variation · English Opening: Symmetrical Variation, Normal Variation · English Opening: Symmetrical Variation, Rubinstein Variation · English Opening: Symmetrical Variation, Rubinstein Variation · English Opening: Symmetrical Variation, Three Knights Variation · English Opening: Symmetrical Variation · English Opening: Symmetrical Variation, Four Knights Variation · English Opening: Symmetrical Variation, Four Knights Variation, Keres-Parma System · English Opening: Symmetrical Variation, Two Knights Variation · English Opening: Symmetrical Variation, Botvinnik System · English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 · English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation · English Opening: Symmetrical Variation, Ultra-Symmetrical Variation · English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 · English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 · English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 · English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 · English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 · English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 · English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation · English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation · English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation · English Opening: Symmetrical Variation, Double Fianchetto · English Opening: Symmetrical Variation, Duchamp Variation · English Opening: Symmetrical Variation, Full Symmetry Line · English Opening: Symmetrical Variation, Mecking Variation · Australian Defense · Benoni Defense: Franco-Sicilian Hybrid · Borg Defense: Borg Gambit · Colle System: Pterodactyl Variation · Colle System: Siroccopteryx Variation · English Defense · English Defense · English Defense: Eastbourne Gambit · English Defense: Hartlaub Gambit Accepted · English Defense: Hartlaub Gambit Declined · English Defense: Perrin Variation · English Defense: Poli Gambit · Englund Gambit · Englund Gambit Declined · Englund Gambit Declined: Diemer Counterattack · Englund Gambit Declined: Reversed Alekhine · Englund Gambit Declined: Reversed Brooklyn · Englund Gambit Declined: Reversed French · Englund Gambit Declined: Reversed Krebs · Englund Gambit Declined: Reversed Mokele Mbembe · Englund Gambit: Felbecker Gambit · Englund Gambit: Hartlaub-Charlick Gambit · Englund Gambit: Main Line · Englund Gambit: Mosquito Gambit · Englund Gambit: Soller Gambit · Englund Gambit: Soller Gambit Deferred · Englund Gambit: Stockholm Variation · Englund Gambit: Zilbermints Gambit · Horwitz Defense · Horwitz Defense: Zilbermints Gambit · Kangaroo Defense · Kangaroo Defense: Keres Defense, Transpositional Variation · Mikenas Defense · Mikenas Defense: Cannstatter Variation · Mikenas Defense: Lithuanian Variation · Mikenas Defense: Pozarek Gambit · Modern Defense: Beefeater Variation · Modern Defense: Lizard Defense, Pirc-Diemer Gambit · Montevideo Defense · Polish Defense · Polish Defense: Spassky Gambit Accepted · Pterodactyl Defense: Central, Benoni Beefeater Pterodactyl · Pterodactyl Defense: Central, Benoni Pterodactyl · Pterodactyl Defense: Fianchetto, Queen Benoni Pterodactyl · Pterodactyl Defense: Fianchetto, Queen Pteranodon · Pterodactyl Defense: Fianchetto, Queen Pterodactyl · Pterodactyl Defense: Queen Pterodactyl, Quiet Line · Queen's Pawn Game · Queen's Pawn Game: Anglo-Slav Opening · Queen's Pawn Game: Modern Defense · Slav Indian: Kudischewitsch Gambit · Zaire Defense · Modern Defense · Modern Defense: Neo-Modern Defense · Old Indian Defense · Queen's Pawn Game · Queen's Pawn Game: Rossolimo Variation · Rat Defense: English Rat · Rat Defense: English Rat, Lisbon Gambit · Rat Defense: English Rat, Pounds Gambit · Robatsch Defense: Rossolimo Variation · Wade Defense · Zukertort Opening: Wade Defense, Chigorin Plan · Modern Defense: Averbakh System · Modern Defense: Averbakh Variation, Pseudo-Sämisch · Modern Defense: Kotov Variation · Modern Defense: Randspringer Variation · Pterodactyl Defense · Pterodactyl Defense: Central, Bogolubovia · Benoni Defense: Benoni Gambit Accepted · Benoni Defense: Benoni Gambit, Schlenker Defense · Benoni Defense: Benoni-Indian Defense · Benoni Defense: Benoni-Indian Defense, Kingside Move Order · Benoni Defense: Benoni-Staunton Gambit · Benoni Defense: Cormorant Gambit · Benoni Defense: French Benoni · Benoni Defense: Hawk Variation · Benoni Defense: Old Benoni · Benoni Defense: Old Benoni · Benoni Defense: Old Benoni · Benoni Defense: Old Benoni, Mujannah Formation · Benoni Defense: Old Benoni, Schmid Variation · Benoni Defense: Snail Variation · Benoni Defense: Woozle · Benoni Defense: Zilbermints-Benoni Gambit · Benoni Defense: Zilbermints-Benoni Gambit · Benoni Defense: Zilbermints-Benoni Gambit, Tamarkin Countergambit · Indian Defense: Pseudo-Benko · Queen's Pawn Game: Liedmann Gambit · Benoni Defense: Old Benoni · Benoni Defense: Semi-Benoni · Amazon Attack: Siberian Attack · Basque Opening · Canard Opening · Indian Defense · Indian Defense: Accelerated London System · Indian Defense: Gedult Attack · Indian Defense: Gibbins-Weidenhagen Gambit · Indian Defense: Gibbins-Weidenhagen Gambit Accepted · Indian Defense: Gibbins-Weidenhagen Gambit, Maltese Falcon · Indian Defense: Gibbins-Weidenhagen Gambit, Oshima Defense · Indian Defense: Gibbins-Weidenhagen Gambit, Stummer Gambit · Indian Defense: Lazard Gambit · Indian Defense: Maddigan Gambit · Indian Defense: Omega Gambit · Indian Defense: Omega Gambit, Arafat Gambit · Indian Defense: Paleface Attack, Blackmar-Diemer Gambit Deferred · Indian Defense: Pawn Push Variation · Indian Defense: Reversed Chigorin Defense · Indian Defense: Tartakower Attack · Paleface Attack · Queen's Pawn Game: Chigorin Variation · Queen's Pawn Game: Veresov, Richter Attack · Trompowsky Attack · Trompowsky Attack: Borg Variation · Trompowsky Attack: Classical Defense · Trompowsky Attack: Classical Defense, Big Center Variation · Trompowsky Attack: Edge Variation · Trompowsky Attack: Edge Variation, Hergert Gambit · Trompowsky Attack: Edge Variation, Hergert Gambit · Trompowsky Attack: Poisoned Pawn Variation · Trompowsky Attack: Raptor Variation · Trompowsky Attack: Raptor Variation, Hergert Gambit · Döry Defense · Indian Defense: Czech-Indian · Indian Defense: Knights Variation · Indian Defense: Knights Variation, Alburt-Miles Variation · Indian Defense: London System · Indian Defense: Polish Variation · Indian Defense: Spielmann-Indian · Indian Defense: Wade-Tartakower Defense · Queen's Pawn Game: Torre Attack, Breyer Variation · Queen's Pawn Game: Veresov Attack, Classical Defense · Torre Attack: Classical Defense · Torre Attack: Classical Defense, Nimzowitsch Variation · Torre Attack: Classical Defense, Petrosian Gambit · Torre Attack: Wagner Gambit · Yusupov-Rubinstein System · Indian Defense: Schnepper Gambit · Marienbad System · Marienbad System: Berg Variation · Pseudo Queen's Indian Defense · Pseudo Queen's Indian Defense · East Indian Defense · Indian Defense: Colle System, King's Indian Variation · London System · London System · London System · London System, with Bd3 · London System, with Be2 · London System, with Be2 · London System, with Be2 · Queen's Pawn Game: Barry Attack · Queen's Pawn Game: Barry Attack · Queen's Pawn Game: Barry Attack, Grünfeld Variation · Queen's Pawn Game: Barry Attack, Tarzan Attack · Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line · Torre Attack: Fianchetto Defense · Torre Attack: Fianchetto Defense, Euwe Variation · Indian Defense: Przepiorka Variation · Indian Defense: Medusa Gambit · Indian Defense: Normal Variation · Indian Defense: Pyrenees Gambit · Mexican Defense · Mexican Defense: Horsefly Gambit · Queen's Indian Accelerated · Slav Indian · Indian Defense: Budapest Gambit · Indian Defense: Budapest Gambit Accepted · Indian Defense: Budapest Gambit Accepted, Fajarowicz Defense · Indian Defense: Budapest Gambit Accepted, Fajarowicz Defense, Bonsdorf Variation · Indian Defense: Budapest Gambit Accepted, Fajarowicz Defense, Steiner Variation · Indian Defense: Budapest Gambit Accepted, Main Line · Indian Defense: Budapest Gambit Accepted, Main Line, Adler Variation · Indian Defense: Budapest Gambit Accepted, Main Line, Alekhine Variation · Indian Defense: Budapest Gambit Accepted, Main Line, Alekhine Variation, Abonyi Variation · Indian Defense: Budapest Gambit Accepted, Main Line, Alekhine Variation, Tartakower Defense · Indian Defense: Budapest Gambit Accepted, Main Line, Rubinstein Variation · Old Indian Defense · Old Indian Defense: Aged Gibbon Gambit · Old Indian Defense: Czech Variation, with Nc3 · Old Indian Defense: Czech Variation, with Nf3 · Old Indian Defense: Janowski Variation · Old Indian Defense: Janowski Variation, Fianchetto Variation · Old Indian Defense: Janowski Variation, Grinberg Gambit · Old Indian Defense: Janowski Variation, Main Line · Old Indian Defense: Duz-Khotimirsky Variation · Old Indian Defense: Tartakower-Indian · Old Indian Defense: Two Knights Variation · Old Indian Defense: Ukrainian Variation · Old Indian Defense: Normal Variation · Benoni Defense · Benoni Defense: Czech Benoni Defense · Benoni Defense: Hromádka System · Benoni Defense: King's Indian System · Benoni Defense: Weenink Variation · Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch · Vulture Defense · Benko Gambit · Benko Gambit Accepted · Benko Gambit Accepted: Dlugy Variation · Benko Gambit Accepted: Modern Variation · Benko Gambit Accepted: Pawn Return Variation · Benko Gambit Declined: Bishop Attack · Benko Gambit Declined: Hjørring Countergambit · Benko Gambit Declined: Main Line · Benko Gambit Declined: Pseudo-Sämisch · Benko Gambit Declined: Quiet Line · Benko Gambit Declined: Sosonko Variation · Benko Gambit: Mutkin Countergambit · Benko Gambit: Nescafe Frappe Attack · Benko Gambit: Zaitsev System · Benko Gambit: Zaitsev Variation, Nescafe Frappe Attack · Benko Gambit Accepted: Central Storming Variation · Benko Gambit Accepted: Fianchetto Variation · Benko Gambit Accepted: Fully Accepted Variation · Benko Gambit: Fianchetto Variation · Benko Gambit: Nd2 Variation · Benko Gambit · Benko Gambit Accepted: King Walk Variation · Benko Gambit Accepted: Yugoslav · Benko Gambit Accepted: Yugoslav · Benoni Defense: Modern Variation · Benoni Defense: Modern Variation, Snake Variation · Benoni Defense · Benoni Defense: Fianchetto Variation · Benoni Defense: Knight's Tour Variation · Benoni Defense: Uhlmann Variation · Benoni Defense: Fianchetto Variation · Benoni Defense: Fianchetto Variation, Hastings Defense · Benoni Defense: Fianchetto Variation, Hastings Defense, Main Line · Benoni Defense: King's Pawn Line · Benoni Defense: King's Pawn Line · Benoni Defense: King's Pawn Line · Benoni Defense: King's Pawn Line, with Be3 · Benoni Defense: King's Pawn Line, with Bg5 · Benoni Defense: King's Pawn Line, with Bg5 · Benoni Defense: King's Pawn Line, with Bg5 · Benoni Defense: King's Pawn Line, with Nge2 · Benoni Defense: King's Pawn Line, with Nge2 · Benoni Defense: Mikenas Variation · Benoni Defense: Pawn Storm Variation · Benoni Defense: Taimanov Variation · Benoni Defense: Four Pawns Attack · Benoni Defense: Four Pawns Attack, Main Line · Benoni Defense: Classical Variation · Benoni Defense: Classical Variation, New York Variation · Benoni Defense: Classical Variation, Traditional Variation · Benoni Defense: Classical Variation, Averbakh-Grivas Attack · Benoni Defense: Classical Variation · Benoni Defense: Classical Variation, Main Line · Benoni Defense: Classical Variation, Full Line · Benoni Defense: Classical Variation, Argentine Counterattack · Benoni Defense: Classical Variation, Czerniak Defense · Benoni Defense: Classical Variation, Czerniak Defense, Tal Line · Benoni Defense: Classical Variation, Czerniak Defense · Benoni Defense: Classical Variation, Czerniak Defense · Dutch Defense · Dutch Defense: Alapin Variation · Dutch Defense: Barcza Variation · Dutch Defense: Hevendehl Gambit · Dutch Defense: Hopton Attack · Dutch Defense: Janzen-Korchnoi Gambit · Dutch Defense: Kingfisher Gambit · Dutch Defense: Korchnoi Attack · Dutch Defense: Krejcik Gambit · Dutch Defense: Krejcik Gambit, Tate Gambit · Dutch Defense: Manhattan Gambit, Anti-Classical Line · Dutch Defense: Manhattan Gambit, Anti-Leningrad · Dutch Defense: Manhattan Gambit, Anti-Modern · Dutch Defense: Manhattan Gambit, Anti-Stonewall · Dutch Defense: Omega-Isis Gambit · Dutch Defense: Raphael Variation · Dutch Defense: Senechaud Gambit · Dutch Defense: Spielmann Gambit · Queen's Pawn Game: Veresov Attack, Dutch System · Dutch Defense: Blackburne Variation · Dutch Defense: Fianchetto Attack · Dutch Defense: Leningrad Variation, Carlsbad Variation · Dutch Defense: Leningrad, Basman System · Dutch Defense: Semi-Leningrad Variation · Dutch Defense: Blackmar's Second Gambit · Dutch Defense: Staunton Gambit · Dutch Defense: Staunton Gambit Accepted · Dutch Defense: Staunton Gambit, American Attack · Dutch Defense: Staunton Gambit, Tartakower Variation · Rat Defense: Balogh Defense · Dutch Defense: Staunton Gambit · Dutch Defense: Staunton Gambit, Alekhine Variation · Dutch Defense: Staunton Gambit, Chigorin Variation · Dutch Defense: Staunton Gambit, Lasker Variation · Dutch Defense: Staunton Gambit, Nimzowitsch Variation · Dutch Defense · Dutch Defense: Bellon Gambit · Dutch Defense: Bladel Variation · Dutch Defense: Classical Variation · Dutch Defense: Krause Variation · Dutch Defense: Normal Variation · Dutch Defense: Rubinstein Variation · Dutch Defense: Queen's Knight Variation · Dutch Defense: Fianchetto Variation · Dutch Defense: Hort-Antoshin System · Dutch Defense: Leningrad Variation · Dutch Defense: Leningrad Variation · Dutch Defense: Leningrad Variation, Warsaw Variation · Dutch Defense: Leningrad Variation, Matulovic Variation · Dutch Defense: Classical Variation · Dutch Defense: Classical Variation · Dutch Defense: Nimzo-Dutch Variation · Dutch Defense: Nimzo-Dutch Variation, Alekhine Variation · Dutch Defense: Stonewall Variation, Modern Variation · Dutch Defense: Classical Variation · Dutch Defense: Classical Variation, Blackburne Attack · Dutch Defense: Alekhine Variation · Dutch Defense: Classical Variation · Dutch Defense: Stonewall Variation · Dutch Defense: Stonewall Variation · Dutch Defense: Stonewall Variation, Botvinnik Variation · Dutch Defense: Stonewall Variation · Dutch Defense: Stonewall Variation · Dutch Defense: Stonewall Variation, Chekhover Variation · Dutch Defense: Classical Variation · Dutch Defense: Classical Variation, Buenos Aires Variation · Dutch Defense: Classical Variation, Huisl Variation · Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation · Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Winter Variation · Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Alatortsev-Lisitsyn Line · Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Modern Main Line