Alekhine Defense - Balogh Variation (1)
Alekhine Defense - Brooklyn Variation (1)
Alekhine Defense - Buckley Attack (1)
Alekhine Defense - Exchange Variation (2)
Alekhine Defense - Four Pawns Attack (6)
Alekhine Defense - Hunt Variation (3)
Alekhine Defense - Kmoch Variation (1)
Alekhine Defense - Krejcik Variation (1)
Alekhine Defense - Maróczy Variation (1)
Alekhine Defense - Modern Variation (8)
Alekhine Defense - Mokele Mbembe (2)
Alekhine Defense - O'Sullivan Gambit (1)
Alekhine Defense - Scandinavian Variation (2)
Alekhine Defense - Spielmann Gambit (1)
Alekhine Defense - Steiner Variation (1)
Alekhine Defense - Sämisch Attack (1)
Alekhine Defense - The Squirrel (1)
Alekhine Defense - Two Pawns Attack (1)
Alekhine Defense - Welling Variation (1)
Amar Opening - Paris Gambit (1)
Amazon Attack - <empty> (0)
Amazon Attack - Siberian Attack (1)
Amsterdam Attack - <empty> (0)
Anderssen's Opening - Polish Gambit (1)
Australian Defense - <empty> (0)
Barnes Opening - Fool's Mate (1)
Barnes Opening - Gedult Gambit (2)
Barnes Opening - Hammerschlag (1)
Barnes Opening - Walkerling (1)
Benko Gambit - <empty> (0)
Benko Gambit - Fianchetto Variation (1)
Benko Gambit - Mutkin Countergambit (1)
Benko Gambit - Nd2 Variation (1)
Benko Gambit - Nescafe Frappe Attack (1)
Benko Gambit Accepted - Central Storming Variation (1)
Benko Gambit Accepted - Dlugy Variation (1)
Benko Gambit Accepted - Fianchetto Variation (1)
Benko Gambit Accepted - King Walk Variation (1)
Benko Gambit Accepted - Modern Variation (1)
Benko Gambit Accepted - Pawn Return Variation (1)
Benko Gambit Accepted - Yugoslav (2)
Benko Gambit Declined - Bishop Attack (1)
Benko Gambit Declined - Hjørring Countergambit (1)
Benko Gambit Declined - Main Line (1)
Benko Gambit Declined - Pseudo-Sämisch (1)
Benko Gambit Declined - Quiet Line (1)
Benko Gambit Declined - Sosonko Variation (1)
Benoni Defense - Benoni Gambit (1)
Benoni Defense - Benoni-Indian Defense (1)
Benoni Defense - Benoni-Staunton Gambit (1)
Benoni Defense - Classical Variation (6)
Benoni Defense - Cormorant Gambit (1)
Benoni Defense - Fianchetto Variation (3)
Benoni Defense - Four Pawns Attack (1)
Benoni Defense - Franco-Sicilian Hybrid (1)
Benoni Defense - French Benoni (1)
Benoni Defense - Hawk Variation (1)
Benoni Defense - Hromádka System (1)
Benoni Defense - King's Indian System (1)
Benoni Defense - King's Pawn Line (6)
Benoni Defense - Knight's Tour Variation (1)
Benoni Defense - Mikenas Variation (1)
Benoni Defense - Modern Variation (1)
Benoni Defense - Old Benoni (1)
Benoni Defense - Semi-Benoni (1)
Benoni Defense - Snail Variation (1)
Benoni Defense - Taimanov Variation (1)
Benoni Defense - Uhlmann Variation (1)
Benoni Defense - Weenink Variation (1)
Benoni Defense - Woozle (1)
Benoni Defense - Zilbermints-Benoni Gambit (2)
Bird Opening - Batavo-Polish Attack (1)
Bird Opening - Double Duck Formation (1)
Bird Opening - Dutch Variation (2)
Bird Opening - From's Gambit (4)
Bird Opening - Hobbs Gambit (1)
Bird Opening - Hobbs-Zilbermints Gambit (1)
Bird Opening - Horsefly Defense (1)
Bird Opening - Lasker Gambit (1)
Bird Opening - Lasker Variation (1)
Bird Opening - Mujannah (1)
Bird Opening - Myers Defense (1)
Bird Opening - Platz Gambit (1)
Bird Opening - Schlechter Gambit (1)
Bird Opening - Siegener Gambit (1)
Bird Opening - Sturm Gambit (1)
Bird Opening - Swiss Gambit (1)
Bird Opening - Thomas Gambit (1)
Bird Opening - Williams Gambit (1)
Bird Opening - Williams-Zilbermints Gambit (1)
Bishop's Opening - Anderssen Gambit (1)
Bishop's Opening - Berlin Defense (1)
Bishop's Opening - Boden-Kieseritzky Gambit (1)
Bishop's Opening - Calabrese Countergambit (1)
Bishop's Opening - Four Pawns Gambit (1)
Bishop's Opening - Horwitz Gambit (1)
Bishop's Opening - Khan Gambit (1)
Bishop's Opening - Kitchener Folly (1)
Bishop's Opening - Krejcik Gambit (1)
Bishop's Opening - Lewis Countergambit (1)
Bishop's Opening - Lewis Gambit (1)
Bishop's Opening - Lisitsyn Variation (1)
Bishop's Opening - Lopez Gambit (1)
Bishop's Opening - Lopez Variation (1)
Bishop's Opening - McDonnell Gambit (1)
Bishop's Opening - Pachman Gambit (1)
Bishop's Opening - Pratt Variation (1)
Bishop's Opening - Stein Gambit (1)
Bishop's Opening - Thorold Gambit (1)
Bishop's Opening - Urusov Gambit (2)
Bishop's Opening - Vienna Hybrid (3)
Bishop's Opening - Warsaw Gambit (1)
Bishop's Opening - del Rio Variation (1)
Blackmar-Diemer Gambit - Blackmar Gambit (1)
Blackmar-Diemer Gambit - Diemer-Rosenberg Attack (1)
Blackmar-Diemer Gambit - Fritz Attack (1)
Blackmar-Diemer Gambit - Lemberger Countergambit (5)
Blackmar-Diemer Gambit - Netherlands Variation (1)
Blackmar-Diemer Gambit - Rasa-Studier Gambit (1)
Blackmar-Diemer Gambit - Reversed Albin Countergambit (1)
Blackmar-Diemer Gambit - Zeller Defense (1)
Blackmar-Diemer Gambit - von Popiel Gambit (1)
Blackmar-Diemer Gambit Accepted - Bogoljubow Defense (4)
Blackmar-Diemer Gambit Accepted - Euwe Defense (1)
Blackmar-Diemer Gambit Accepted - Gunderam Defense (1)
Blackmar-Diemer Gambit Accepted - Holwell Defense (1)
Blackmar-Diemer Gambit Accepted - Kaulich Defense (1)
Blackmar-Diemer Gambit Accepted - Pietrowsky Defense (1)
Blackmar-Diemer Gambit Accepted - Ritter Defense (1)
Blackmar-Diemer Gambit Accepted - Ryder Gambit (1)
Blackmar-Diemer Gambit Accepted - Schlutter Defense (1)
Blackmar-Diemer Gambit Accepted - Teichmann Defense (3)
Blackmar-Diemer Gambit Accepted - Ziegler Defense (1)
Blackmar-Diemer Gambit Declined - Brombacher Countergambit (1)
Blackmar-Diemer Gambit Declined - Elbert Countergambit (1)
Blackmar-Diemer Gambit Declined - Gedult Defense (1)
Blackmar-Diemer Gambit Declined - Lamb Defense (1)
Blackmar-Diemer Gambit Declined - Langeheinicke Defense (1)
Blackmar-Diemer Gambit Declined - O'Kelly Defense (1)
Blackmar-Diemer Gambit Declined - Vienna Defense (1)
Blackmar-Diemer Gambit Declined - Weinsbach Defense (1)
Blumenfeld Countergambit - Spielmann Variation (1)
Blumenfeld Countergambit Accepted - <empty> (0)
Bogo-Indian Defense - Exchange Variation (1)
Bogo-Indian Defense - Grünfeld Variation (1)
Bogo-Indian Defense - Haiti Variation (1)
Bogo-Indian Defense - Monticelli Trap (1)
Bogo-Indian Defense - New England Variation (1)
Bogo-Indian Defense - Nimzowitsch Variation (1)
Bogo-Indian Defense - Retreat Variation (5)
Bogo-Indian Defense - Vitolins Variation (1)
Bongcloud Attack - <empty> (0)
Borg Defense - Borg Gambit (2)
Borg Defense - Troon Gambit (1)
Borg Defense - Zilbermints Gambit (1)
Canard Opening - <empty> (0)
Caro-Kann Defense - Accelerated Panov Attack (4)
Caro-Kann Defense - Advance (1)
Caro-Kann Defense - Advance Variation (8)
Caro-Kann Defense - Alekhine Gambit (1)
Caro-Kann Defense - Alien Gambit (1)
Caro-Kann Defense - Apocalypse Attack (1)
Caro-Kann Defense - Breyer Variation (1)
Caro-Kann Defense - Bronstein-Larsen Variation (1)
Caro-Kann Defense - Campomanes Attack (1)
Caro-Kann Defense - Classical Variation (4)
Caro-Kann Defense - De Bruycker Defense (1)
Caro-Kann Defense - Edinburgh Variation (1)
Caro-Kann Defense - Endgame Variation (1)
Caro-Kann Defense - Euwe Attack (1)
Caro-Kann Defense - Exchange Variation (3)
Caro-Kann Defense - Finnish Variation (1)
Caro-Kann Defense - Forgacs Variation (1)
Caro-Kann Defense - Goldman Variation (1)
Caro-Kann Defense - Gurgenidze Counterattack (1)
Caro-Kann Defense - Gurgenidze System (1)
Caro-Kann Defense - Hector Gambit (1)
Caro-Kann Defense - Hillbilly Attack (1)
Caro-Kann Defense - Karpov Variation (5)
Caro-Kann Defense - Labahn Attack (2)
Caro-Kann Defense - Martian Gambit (1)
Caro-Kann Defense - Maróczy Variation (1)
Caro-Kann Defense - Masi Variation (1)
Caro-Kann Defense - Massachusetts Defense (1)
Caro-Kann Defense - Mieses Attack (1)
Caro-Kann Defense - Mieses Gambit (1)
Caro-Kann Defense - Panov Attack (7)
Caro-Kann Defense - Panov-Botvinnik (1)
Caro-Kann Defense - Rasa-Studier Gambit (1)
Caro-Kann Defense - Scorpion-Horus Gambit (1)
Caro-Kann Defense - Spike Variation (1)
Caro-Kann Defense - St. Patrick's Attack (1)
Caro-Kann Defense - Toikkanen Gambit (1)
Caro-Kann Defense - Two Knights Attack (2)
Caro-Kann Defense - Ulysses Gambit (1)
Caro-Kann Defense - von Hennig Gambit (1)
Carr Defense - Zilbermints Gambit (1)
Catalan Opening - Closed (11)
Catalan Opening - Closed Variation (2)
Catalan Opening - Hungarian Gambit (1)
Catalan Opening - Open Defense (5)
Center Game - Charousek Variation (1)
Center Game - Halasz-McDonnell Gambit (1)
Center Game - Hall Variation (1)
Center Game - Kieseritzky Variation (1)
Center Game - Kupreichik Variation (1)
Center Game - Lanc-Arnold Gambit (1)
Center Game - Ross Gambit (1)
Center Game - l'Hermet Variation (1)
Center Game - von der Lasa Gambit (1)
Clemenz Opening - Spike Lee Gambit (1)
Colle System - Pterodactyl Variation (1)
Colle System - Rhamphorhynchus Variation (1)
Colle System - Siroccopteryx Variation (1)
Creepy Crawly Formation - Classical Defense (1)
Czech Defense - <empty> (0)
Danish Gambit Accepted - Chigorin Defense (1)
Danish Gambit Accepted - Classical Defense (1)
Danish Gambit Accepted - Copenhagen Defense (1)
Danish Gambit Accepted - Schlechter Defense (1)
Danish Gambit Accepted - Svenonius Defense (1)
Danish Gambit Declined - Sörensen Defense (1)
Dresden Opening - The Goblin (1)
Duras Gambit - <empty> (0)
Dutch Defense - Alekhine Variation (1)
Dutch Defense - Bellon Gambit (1)
Dutch Defense - Blackburne Variation (1)
Dutch Defense - Blackmar's Second Gambit (1)
Dutch Defense - Bladel Variation (1)
Dutch Defense - Classical Variation (7)
Dutch Defense - Hevendehl Gambit (1)
Dutch Defense - Hopton Attack (1)
Dutch Defense - Hort-Antoshin System (1)
Dutch Defense - Janzen-Korchnoi Gambit (1)
Dutch Defense - Kingfisher Gambit (1)
Dutch Defense - Krause Variation (1)
Dutch Defense - Krejcik Gambit (1)
Dutch Defense - Leningrad (1)
Dutch Defense - Leningrad Variation (4)
Dutch Defense - Manhattan Gambit (4)
Dutch Defense - Nimzo-Dutch Variation (1)
Dutch Defense - Omega-Isis Gambit (1)
Dutch Defense - Rubinstein Variation (1)
Dutch Defense - Senechaud Gambit (1)
Dutch Defense - Spielmann Gambit (1)
Dutch Defense - Staunton Gambit (6)
Dutch Defense - Stonewall Variation (3)
Döry Defense - <empty> (0)
Elephant Gambit - Maróczy Gambit (1)
Elephant Gambit - Paulsen Countergambit (1)
Elephant Gambit - Wasp Variation (1)
English Defense - Eastbourne Gambit (1)
English Defense - Hartlaub Gambit Accepted (1)
English Defense - Hartlaub Gambit Declined (1)
English Defense - Perrin Variation (1)
English Defense - Poli Gambit (1)
English Opening - Achilles-Omega Gambit (1)
English Opening - Adorjan Defense (1)
English Opening - Agincourt Defense (14)
English Opening - Anglo-Dutch Defense (1)
English Opening - Anglo-Dutch Variation (1)
English Opening - Anglo-Grünfeld Defense (1)
English Opening - Anglo-Indian Defense (16)
English Opening - Anglo-Lithuanian Variation (1)
English Opening - Anglo-Scandinavian Defense (3)
English Opening - Closed (2)
English Opening - Drill Variation (1)
English Opening - Four Knights System (1)
English Opening - Jaenisch Gambit (1)
English Opening - King's English (2)
English Opening - King's English Variation (31)
English Opening - Mikenas-Carls Variation (2)
English Opening - Myers Gambit (1)
English Opening - Porcupine Variation (1)
English Opening - Romanishin Gambit (1)
English Opening - Symmetrical (1)
English Opening - Symmetrical Variation (18)
English Opening - Wade Gambit (1)
English Opening - Wing Gambit (1)
English Opening - Zilbermints Gambit (1)
English Orangutan - <empty> (0)
Englund Gambit - Felbecker Gambit (1)
Englund Gambit - Hartlaub-Charlick Gambit (1)
Englund Gambit - Mosquito Gambit (1)
Englund Gambit - Soller Gambit (1)
Englund Gambit - Soller Gambit Deferred (1)
Englund Gambit - Stockholm Variation (1)
Englund Gambit - Zilbermints Gambit (1)
Englund Gambit Declined - Diemer Counterattack (1)
Englund Gambit Declined - Reversed Brooklyn (1)
Englund Gambit Declined - Reversed French (1)
Englund Gambit Declined - Reversed Mokele Mbembe (1)
Formation - Hippopotamus Attack (1)
Formation - Shy Attack (1)
Four Knights Game - Glek System (1)
Four Knights Game - Gunsberg Variation (1)
Four Knights Game - Halloween Gambit (2)
Four Knights Game - Italian Variation (2)
Four Knights Game - Scotch Variation (4)
Four Knights Game - Scotch Variation Accepted (1)
Four Knights Game - Spanish Variation (17)
French Defense - Advance Variation (11)
French Defense - Alapin Gambit (1)
French Defense - Alekhine-Chatard Attack (5)
French Defense - Baeuerle Gambit (1)
French Defense - Banzai-Leong Gambit (1)
French Defense - Bird Invitation (1)
French Defense - Carlson Gambit (1)
French Defense - Chigorin Variation (1)
French Defense - Classical Variation (13)
French Defense - Diemer-Duhm Gambit Accepted (1)
French Defense - Exchange Variation (4)
French Defense - Franco-Hiva Gambit Accepted (1)
French Defense - Hecht-Reefschläger Variation (1)
French Defense - Henneberger Variation (1)
French Defense - Hoffmann Gambit (1)
French Defense - Horwitz Attack (1)
French Defense - King's Indian Attack (1)
French Defense - Knight Variation (1)
French Defense - La Bourdonnais Variation (1)
French Defense - Marshall Gambit (1)
French Defense - McCutcheon Variation (9)
French Defense - Mediterranean Defense (1)
French Defense - Morphy Gambit (1)
French Defense - Orthoschnapp Gambit (1)
French Defense - Pelikan Variation (1)
French Defense - Reversed Philidor Formation (1)
French Defense - Rubinstein Variation (5)
French Defense - Réti-Spielmann Attack (1)
French Defense - Schlechter Variation (1)
French Defense - St. George Defense (2)
French Defense - Steinitz Attack (1)
French Defense - Steinitz Variation (6)
French Defense - Tarrasch Variation (15)
French Defense - Two Knights Variation (1)
French Defense - Winawer Variation (31)
French Defense - Wing Gambit (1)
Fried Fox Defense - <empty> (0)
Global Opening - <empty> (0)
Goldsmith Defense - Picklepuss Defense (1)
Grob Opening - Alessi Gambit (1)
Grob Opening - Double Grob (1)
Grob Opening - Grob Gambit (4)
Grob Opening - Keene Defense (1)
Grob Opening - London Defense (1)
Grob Opening - Spike (1)
Grob Opening - Spike Attack (1)
Grob Opening - Zilbermints Gambit (2)
Grünfeld Defense - Botvinnik Variation (1)
Grünfeld Defense - Brinckmann Attack (3)
Grünfeld Defense - Exchange Variation (11)
Grünfeld Defense - Flohr Defense (1)
Grünfeld Defense - Flohr Variation (1)
Grünfeld Defense - Gibbon Gambit (1)
Grünfeld Defense - Lundin Variation (1)
Grünfeld Defense - Lutikov Variation (1)
Grünfeld Defense - Makogonov Variation (1)
Grünfeld Defense - Opocensky Variation (1)
Grünfeld Defense - Pachman Variation (1)
Grünfeld Defense - Russian Variation (8)
Grünfeld Defense - Smyslov Defense (1)
Grünfeld Defense - Three Knights Variation (4)
Grünfeld Defense - Zaitsev Gambit (1)
Hippopotamus Defense - <empty> (0)
Horwitz Defense - Zilbermints Gambit (1)
Hungarian Opening - Asten Gambit (1)
Hungarian Opening - Burk Gambit (1)
Hungarian Opening - Bücker Gambit (1)
Hungarian Opening - Catalan Formation (1)
Hungarian Opening - Indian Defense (1)
Hungarian Opening - Myers Defense (1)
Hungarian Opening - Pachman Gambit (1)
Hungarian Opening - Paris Gambit (1)
Hungarian Opening - Reversed Brooklyn Defense (1)
Hungarian Opening - Reversed Modern Defense (1)
Hungarian Opening - Reversed Norwegian Defense (1)
Hungarian Opening - Sicilian Invitation (1)
Hungarian Opening - Slav Formation (1)
Hungarian Opening - Symmetrical Variation (1)
Hungarian Opening - Van Kuijk Gambit (1)
Hungarian Opening - Wiedenhagen-Beta Gambit (1)
Hungarian Opening - Winterberg Gambit (1)
Indian Defense - <empty> (0)
Indian Defense - Accelerated London System (1)
Indian Defense - Anti-Grünfeld (3)
Indian Defense - Budapest Defense (6)
Indian Defense - Colle System (1)
Indian Defense - Czech-Indian (1)
Indian Defense - Devin Gambit (1)
Indian Defense - Dzindzi-Indian Defense (1)
Indian Defense - Döry Indian (1)
Indian Defense - Gedult Attack (1)
Indian Defense - Gibbins-Weidenhagen Gambit (3)
Indian Defense - Knights Variation (1)
Indian Defense - Lazard Gambit (1)
Indian Defense - London System (1)
Indian Defense - Maddigan Gambit (1)
Indian Defense - Medusa Gambit (1)
Indian Defense - Omega Gambit (1)
Indian Defense - Paleface Attack (1)
Indian Defense - Pawn Push Variation (1)
Indian Defense - Polish Variation (1)
Indian Defense - Pseudo-Benko (1)
Indian Defense - Pyrenees Gambit (1)
Indian Defense - Reversed Chigorin Defense (1)
Indian Defense - Schnepper Gambit (1)
Indian Defense - Seirawan Attack (1)
Indian Defense - Tartakower Attack (1)
Indian Defense - Wade-Tartakower Defense (1)
Italian Game - Anti-Fried Liver Defense (1)
Italian Game - Bird's Attack (1)
Italian Game - Blackburne-Kostić Gambit (1)
Italian Game - Classical Variation (25)
Italian Game - Evans Gambit (25)
Italian Game - Evans Gambit Declined (5)
Italian Game - Giuoco Pianissimo (4)
Italian Game - Giuoco Piano (8)
Italian Game - Hungarian Defense (1)
Italian Game - Jerome Gambit (1)
Italian Game - Paris Defense (1)
Italian Game - Rosentreter Gambit (1)
Italian Game - Rousseau Gambit (1)
Italian Game - Scotch Gambit (9)
Italian Game - Scotch Invitation Declined (1)
Italian Game - Two Knights Defense (25)
Kangaroo Defense - Keres Defense (1)
King's Gambit Accepted - Abbazia Defense (1)
King's Gambit Accepted - Allgaier (5)
King's Gambit Accepted - Australian Gambit (1)
King's Gambit Accepted - Basman Gambit (1)
King's Gambit Accepted - Bishop's Gambit (21)
King's Gambit Accepted - Blachly Gambit (1)
King's Gambit Accepted - Bonsch-Osmolovsky Variation (1)
King's Gambit Accepted - Breyer Gambit (1)
King's Gambit Accepted - Carrera Gambit (1)
King's Gambit Accepted - Cunningham Defense (2)
King's Gambit Accepted - Dodo Variation (1)
King's Gambit Accepted - Double Muzio Gambit (4)
King's Gambit Accepted - Eisenberg Variation (1)
King's Gambit Accepted - Fischer Defense (2)
King's Gambit Accepted - Gaga Gambit (1)
King's Gambit Accepted - Ghulam-Kassim Gambit (1)
King's Gambit Accepted - Gianutio Countergambit (1)
King's Gambit Accepted - Greco Gambit (2)
King's Gambit Accepted - Hanstein Gambit (1)
King's Gambit Accepted - Kieseritzky (3)
King's Gambit Accepted - Kieseritzky Gambit (9)
King's Gambit Accepted - Kotov Gambit (1)
King's Gambit Accepted - Lolli Gambit (1)
King's Gambit Accepted - Lopez-Gianutio Countergambit (1)
King's Gambit Accepted - Mason-Keres Gambit (1)
King's Gambit Accepted - Mayet Gambit (1)
King's Gambit Accepted - McDonnell Gambit (1)
King's Gambit Accepted - Middleton Countergambit (1)
King's Gambit Accepted - Muzio Gambit (3)
King's Gambit Accepted - Muzio Gambit Accepted (1)
King's Gambit Accepted - Orsini Gambit (1)
King's Gambit Accepted - Paris Gambit (1)
King's Gambit Accepted - Philidor Gambit (1)
King's Gambit Accepted - Quaade Gambit (1)
King's Gambit Accepted - Rosentreter Gambit (3)
King's Gambit Accepted - Salvio Gambit (4)
King's Gambit Accepted - Schallopp Defense (1)
King's Gambit Accepted - Schurig Gambit (2)
King's Gambit Accepted - Silberschmidt Gambit (1)
King's Gambit Accepted - Stamma Gambit (1)
King's Gambit Accepted - Tartakower Gambit (1)
King's Gambit Accepted - Tumbleweed (1)
King's Gambit Accepted - Villemson Gambit (1)
King's Gambit Accepted - Wagenbach Defense (1)
King's Gambit Declined - Classical (4)
King's Gambit Declined - Classical Variation (3)
King's Gambit Declined - Falkbeer Countergambit (13)
King's Gambit Declined - Hobbs-Zilbermints Gambit (1)
King's Gambit Declined - Keene Defense (1)
King's Gambit Declined - Mafia Defense (1)
King's Gambit Declined - Miles Defense (1)
King's Gambit Declined - Norwalde Variation (2)
King's Gambit Declined - Panteldakis Countergambit (5)
King's Gambit Declined - Petrov's Defense (1)
King's Gambit Declined - Senechaud Countergambit (1)
King's Gambit Declined - Soller-Zilbermints Gambit (1)
King's Gambit Declined - Zilbermints Double Countergambit (1)
King's Indian Attack - Keres Variation (2)
King's Indian Attack - Omega-Delta Gambit (1)
King's Indian Attack - Pachman System (1)
King's Indian Attack - Sicilian Variation (2)
King's Indian Attack - Smyslov Variation (1)
King's Indian Attack - Spassky Variation (1)
King's Indian Attack - Wahls Defense (1)
King's Indian Attack - Yugoslav Variation (1)
King's Indian Attack, with Bf5 - <empty> (0)
King's Indian Attack, with e6 - <empty> (0)
King's Indian Defense - Accelerated Averbakh Variation (1)
King's Indian Defense - Averbakh Variation (7)
King's Indian Defense - Exchange Variation (1)
King's Indian Defense - Fianchetto Variation (19)
King's Indian Defense - Four Pawns Attack (4)
King's Indian Defense - Kazakh Variation (1)
King's Indian Defense - Kramer Variation (1)
King's Indian Defense - Larsen Variation (1)
King's Indian Defense - Makogonov Variation (1)
King's Indian Defense - Orthodox Variation (13)
King's Indian Defense - Petrosian Variation (2)
King's Indian Defense - Pomar System (1)
King's Indian Defense - Santasiere Variation (1)
King's Indian Defense - Semi-Averbakh System (1)
King's Indian Defense - Semi-Classical Variation (4)
King's Indian Defense - Six Pawns Attack (1)
King's Indian Defense - Smyslov Variation (1)
King's Indian Defense - Sämisch Variation (10)
King's Indian Defense - Zinnowitz Variation (1)
King's Knight Opening - Konstantinopolsky (1)
King's Pawn Game - Alapin Opening (1)
King's Pawn Game - Bavarian Gambit (1)
King's Pawn Game - Beyer Gambit (1)
King's Pawn Game - Busch-Gass Gambit (1)
King's Pawn Game - Clam Variation (2)
King's Pawn Game - Damiano Defense (2)
King's Pawn Game - Gunderam Defense (1)
King's Pawn Game - Gunderam Gambit (1)
King's Pawn Game - King's Head Opening (1)
King's Pawn Game - La Bourdonnais Gambit (1)
King's Pawn Game - MacLeod Attack (2)
King's Pawn Game - Maróczy Defense (1)
King's Pawn Game - Mengarini's Opening (1)
King's Pawn Game - Napoleon Attack (1)
King's Pawn Game - Pachman Wing Gambit (1)
King's Pawn Game - Philidor Gambit (1)
King's Pawn Game - Schulze-Müller Gambit (1)
King's Pawn Game - Tayler Opening (2)
King's Pawn Game - Tortoise Opening (1)
King's Pawn Game - Wayward Queen Attack (2)
King's Pawn Game - Weber Gambit (1)
King's Pawn Opening - <empty> (0)
King's Pawn Opening - Speers (1)
King's Pawn Opening - Van Hooydoon Gambit (1)
Kádas Opening - Beginner's Trap (1)
Kádas Opening - Koola-Koola Variation (1)
Kádas Opening - Kádas Gambit (3)
Kádas Opening - Myers Variation (1)
Kádas Opening - Schneider Gambit (1)
Kádas Opening - Steinbok Gambit (1)
Latvian Gambit - Behting Variation (1)
Latvian Gambit - Clam Gambit (1)
Latvian Gambit - Corkscrew Countergambit (1)
Latvian Gambit - Corkscrew Gambit (1)
Latvian Gambit - Diepstraten Countergambit (1)
Latvian Gambit - Fraser Defense (1)
Latvian Gambit - Greco Variation (1)
Latvian Gambit - Lobster Gambit (1)
Latvian Gambit - Mason Countergambit (1)
Latvian Gambit - Mayet Attack (4)
Latvian Gambit - Mlotkowski Variation (1)
Latvian Gambit - Senechaud Gambit (1)
Latvian Gambit Accepted - <empty> (0)
Latvian Gambit Accepted - Bronstein Attack (1)
Latvian Gambit Accepted - Bronstein Gambit (1)
Latvian Gambit Accepted - Foltys Variation (1)
Latvian Gambit Accepted - Leonhardt Variation (1)
Latvian Gambit Accepted - Nimzowitsch Attack (1)
Lemming Defense - <empty> (0)
Lion Defense - Anti-Philidor (1)
Lion Defense - Bayonet Attack (1)
Lion Defense - Lion's Jaw (1)
London System - Poisoned Pawn Variation (1)
London System, with Bd3 - <empty> (0)
London System, with Be2 - <empty> (0)
Marienbad System - Berg Variation (1)
Mexican Defense - Horsefly Gambit (1)
Mieses Opening - Myers Spike Attack (1)
Mieses Opening - Venezolana Variation (1)
Mikenas Defense - Cannstatter Variation (1)
Mikenas Defense - Lithuanian Variation (1)
Mikenas Defense - Pozarek Gambit (1)
Modern Defense - Anti-Modern (1)
Modern Defense - Averbakh Variation (1)
Modern Defense - Beefeater Variation (1)
Modern Defense - Bishop Attack (2)
Modern Defense - Dunworthy Variation (1)
Modern Defense - Fianchetto Gambit (1)
Modern Defense - Geller's System (1)
Modern Defense - Gurgenidze Defense (1)
Modern Defense - Kotov Variation (1)
Modern Defense - Lizard Defense (2)
Modern Defense - Masur Gambit (1)
Modern Defense - Mongredien Defense (2)
Modern Defense - Neo-Modern Defense (1)
Modern Defense - Norwegian Defense (1)
Modern Defense - Pseudo-Austrian Attack (1)
Modern Defense - Randspringer Variation (1)
Modern Defense - Semi-Averbakh Variation (3)
Modern Defense - Two Knights Variation (2)
Modern Defense - Westermann Gambit (1)
Modern Defense - Wind Gambit (1)
Neo-Grünfeld Defense - Classical Variation (2)
Neo-Grünfeld Defense - Delayed Exchange Variation (3)
Neo-Grünfeld Defense - Exchange Variation (1)
Neo-Grünfeld Defense - Goglidze Attack (1)
Neo-Grünfeld Defense - Ultra-Delayed Exchange Variation (1)
Neo-Grünfeld Defense - with Nf3 (1)
Neo-Grünfeld Defense - with g3 (1)
Nimzo-Indian Defense - Classical Variation (12)
Nimzo-Indian Defense - Dilworth Gambit (1)
Nimzo-Indian Defense - Leningrad Variation (2)
Nimzo-Indian Defense - Mikenas Attack (1)
Nimzo-Indian Defense - Normal Variation (9)
Nimzo-Indian Defense - Ragozin Variation (1)
Nimzo-Indian Defense - Romanishin Variation (3)
Nimzo-Indian Defense - Rubinstein System (4)
Nimzo-Indian Defense - Simagin Variation (1)
Nimzo-Indian Defense - Spielmann Variation (2)
Nimzo-Indian Defense - St. Petersburg Variation (9)
Nimzo-Indian Defense - Sämisch Variation (6)
Nimzo-Indian Defense - Three Knights Variation (2)
Nimzo-Larsen Attack - English Variation (1)
Nimzo-Larsen Attack - Graz Attack (1)
Nimzo-Larsen Attack - Modern Variation (2)
Nimzo-Larsen Attack - Norfolk Gambit (2)
Nimzo-Larsen Attack - Pachman Gambit (1)
Nimzo-Larsen Attack - Ringelbach Gambit (1)
Nimzo-Larsen Attack - Spike Variation (1)
Nimzo-Larsen Attack - Symmetrical Variation (1)
Nimzowitsch Defense - Breyer Variation (1)
Nimzowitsch Defense - Colorado Countergambit Accepted (1)
Nimzowitsch Defense - El Columpio Defense (3)
Nimzowitsch Defense - Franco-Nimzowitsch Variation (1)
Nimzowitsch Defense - French Connection (1)
Nimzowitsch Defense - Hornung Gambit (1)
Nimzowitsch Defense - Kennedy Variation (9)
Nimzowitsch Defense - Mikenas Variation (1)
Nimzowitsch Defense - Neo-Mongoloid Defense (1)
Nimzowitsch Defense - Pirc Connection (1)
Nimzowitsch Defense - Pseudo-Spanish Variation (1)
Nimzowitsch Defense - Scandinavian Variation (9)
Nimzowitsch Defense - Wheeler Gambit (1)
Nimzowitsch Defense - Williams Variation (1)
Nimzowitsch Defense - Woodchuck Variation (1)
Old Indian Defense - Aged Gibbon Gambit (1)
Old Indian Defense - Czech Variation (2)
Old Indian Defense - Duz-Khotimirsky Variation (1)
Old Indian Defense - Janowski Variation (3)
Old Indian Defense - Tartakower-Indian (1)
Old Indian Defense - Two Knights Variation (1)
Owen Defense - Guatemala Defense (1)
Owen Defense - Hekili-Loa Gambit (1)
Owen Defense - Matovinsky Gambit (1)
Owen Defense - Naselwaus Gambit (1)
Owen Defense - Smith Gambit (1)
Owen Defense - Unicorn Variation (1)
Owen Defense - Wind Gambit (1)
Petrov's Defense - Classical Attack (9)
Petrov's Defense - Cochrane Gambit (2)
Petrov's Defense - Cozio Attack (1)
Petrov's Defense - Damiano Variation (1)
Petrov's Defense - French Attack (1)
Petrov's Defense - Karklins-Martinovsky Variation (1)
Petrov's Defense - Kaufmann Attack (1)
Petrov's Defense - Millennium Attack (1)
Petrov's Defense - Modern Attack (6)
Petrov's Defense - Moody Gambit (1)
Petrov's Defense - Nimzowitsch Attack (1)
Petrov's Defense - Paulsen Attack (1)
Petrov's Defense - Stafford Gambit (1)
Philidor Defense - Albin-Blackburne Gambit (1)
Philidor Defense - Berger Variation (1)
Philidor Defense - Bird Gambit (1)
Philidor Defense - Boden Variation (1)
Philidor Defense - Hanham (1)
Philidor Defense - Hanham Variation (4)
Philidor Defense - Larsen Variation (1)
Philidor Defense - Lion Variation (7)
Philidor Defense - Lopez Countergambit (2)
Philidor Defense - Morphy Gambit (1)
Philidor Defense - Nimzowitsch (1)
Philidor Defense - Nimzowitsch Variation (3)
Philidor Defense - Paulsen Attack (1)
Philidor Defense - Philidor Countergambit (2)
Philidor Defense - Philidor Gambit (1)
Philidor Defense - Steinitz Variation (1)
Pirc Defense - 150 Attack (2)
Pirc Defense - Austrian Attack (5)
Pirc Defense - Bayonet Attack (1)
Pirc Defense - Byrne Variation (1)
Pirc Defense - Chinese Variation (1)
Pirc Defense - Classical Variation (4)
Pirc Defense - Kholmov System (1)
Pirc Defense - Roscher Gambit (1)
Pirc Defense - Sveshnikov System (1)
Polish Defense - Spassky Gambit Accepted (1)
Polish Opening - Baltic Defense (1)
Polish Opening - Birmingham Gambit (1)
Polish Opening - Bugayev Advance Variation (1)
Polish Opening - Bugayev Attack (1)
Polish Opening - Czech Defense (1)
Polish Opening - Dutch Defense (1)
Polish Opening - German Defense (1)
Polish Opening - Grigorian Variation (1)
Polish Opening - Karniewski Variation (1)
Polish Opening - King's Indian Variation (2)
Polish Opening - Myers Variation (1)
Polish Opening - Queen's Indian Variation (1)
Polish Opening - Rooks Swap Line (1)
Polish Opening - Schiffler-Sokolsky Variation (1)
Polish Opening - Schuehler Gambit (1)
Polish Opening - Symmetrical Variation (1)
Polish Opening - Tartakower Gambit (1)
Polish Opening - Wolferts Gambit (1)
Polish Opening - Zukertort System (1)
Polish Opening, with d5 - <empty> (0)
Ponziani Opening - Caro Gambit (1)
Ponziani Opening - Jaenisch Counterattack (1)
Ponziani Opening - Leonhardt Variation (1)
Ponziani Opening - Neumann Gambit (1)
Ponziani Opening - Ponziani Countergambit (1)
Ponziani Opening - Romanishin Variation (1)
Ponziani Opening - Réti Variation (1)
Ponziani Opening - Spanish Variation (1)
Ponziani Opening - Steinitz Variation (1)
Ponziani Opening - Vukovic Gambit (1)
Portuguese Opening - Miguel Gambit (1)
Portuguese Opening - Portuguese Gambit (1)
Pterodactyl Defense - <empty> (0)
Pterodactyl Defense - Austrian (3)
Pterodactyl Defense - Central (6)
Pterodactyl Defense - Eastern (6)
Pterodactyl Defense - Fianchetto (5)
Pterodactyl Defense - Queen Pterodactyl (1)
Pterodactyl Defense - Sicilian (5)
Pterodactyl Defense - Western (3)
Queen's Gambit Accepted - <empty> (0)
Queen's Gambit Accepted - Accelerated Mannheim Variation (1)
Queen's Gambit Accepted - Alekhine Defense (3)
Queen's Gambit Accepted - Bogoljubow Defense (1)
Queen's Gambit Accepted - Central Variation (5)
Queen's Gambit Accepted - Classical (2)
Queen's Gambit Accepted - Classical Defense (5)
Queen's Gambit Accepted - Furman Variation (1)
Queen's Gambit Accepted - Godes Variation (1)
Queen's Gambit Accepted - Gunsberg Defense (2)
Queen's Gambit Accepted - Janowski-Larsen Variation (1)
Queen's Gambit Accepted - Linares Variation (1)
Queen's Gambit Accepted - Mannheim Variation (1)
Queen's Gambit Accepted - Old Variation (4)
Queen's Gambit Accepted - Rosenthal Variation (1)
Queen's Gambit Accepted - Schwartz Defense (1)
Queen's Gambit Accepted - Slav Gambit (1)
Queen's Gambit Accepted - Smyslov Variation (1)
Queen's Gambit Accepted - Winawer Defense (1)
Queen's Gambit Declined - Alapin Variation (1)
Queen's Gambit Declined - Albin Countergambit (8)
Queen's Gambit Declined - Alekhine Variation (1)
Queen's Gambit Declined - Anti-Tartakower Variation (2)
Queen's Gambit Declined - Austrian Attack (1)
Queen's Gambit Declined - Austrian Defense (1)
Queen's Gambit Declined - Baltic Defense (5)
Queen's Gambit Declined - Cambridge Springs Defense (5)
Queen's Gambit Declined - Capablanca Variation (3)
Queen's Gambit Declined - Charousek Variation (1)
Queen's Gambit Declined - Chigorin Defense (5)
Queen's Gambit Declined - Exchange Variation (3)
Queen's Gambit Declined - Harrwitz Attack (7)
Queen's Gambit Declined - Hastings Variation (1)
Queen's Gambit Declined - Janowski Variation (1)
Queen's Gambit Declined - Knight Defense (1)
Queen's Gambit Declined - Lasker Defense (6)
Queen's Gambit Declined - Manhattan Variation (1)
Queen's Gambit Declined - Marshall Defense (1)
Queen's Gambit Declined - Miles Variation (1)
Queen's Gambit Declined - Modern Variation (1)
Queen's Gambit Declined - Neo-Orthodox Variation (1)
Queen's Gambit Declined - Orthodox Defense (16)
Queen's Gambit Declined - Pillsbury Attack (1)
Queen's Gambit Declined - Pseudo-Tarrasch Variation (2)
Queen's Gambit Declined - Ragozin Defense (2)
Queen's Gambit Declined - Rochlin Variation (1)
Queen's Gambit Declined - Semi-Slav (3)
Queen's Gambit Declined - Semi-Tarrasch Defense (9)
Queen's Gambit Declined - Semmering Variation (1)
Queen's Gambit Declined - Spielmann Variation (1)
Queen's Gambit Declined - Stonewall Variation (1)
Queen's Gambit Declined - Tarrasch Defense (2)
Queen's Gambit Declined - Tartakower Defense (3)
Queen's Gambit Declined - Uhlmann Variation (1)
Queen's Gambit Declined - Vienna Variation (2)
Queen's Gambit Declined - Westphalian Variation (1)
Queen's Gambit Declined - Zilbermints Gambit (1)
Queen's Indian Accelerated - <empty> (0)
Queen's Indian Defense - Averbakh Variation (1)
Queen's Indian Defense - Buerger Variation (1)
Queen's Indian Defense - Classical Variation (5)
Queen's Indian Defense - Euwe Variation (1)
Queen's Indian Defense - Fianchetto Variation (6)
Queen's Indian Defense - Kasparov Variation (2)
Queen's Indian Defense - Kasparov-Petrosian Variation (9)
Queen's Indian Defense - Miles Variation (1)
Queen's Indian Defense - Opocensky Variation (1)
Queen's Indian Defense - Petrosian Variation (1)
Queen's Indian Defense - Riumin Variation (1)
Queen's Indian Defense - Yates Variation (1)
Queen's Pawn Game - Accelerated London System (2)
Queen's Pawn Game - Anglo-Slav Opening (1)
Queen's Pawn Game - Anti-Torre (1)
Queen's Pawn Game - Barry Attack (2)
Queen's Pawn Game - Chandler Gambit (1)
Queen's Pawn Game - Chigorin Variation (7)
Queen's Pawn Game - Colle System (3)
Queen's Pawn Game - Hübsch Gambit (1)
Queen's Pawn Game - Levitsky Attack (2)
Queen's Pawn Game - Liedmann Gambit (1)
Queen's Pawn Game - London System (3)
Queen's Pawn Game - Mason Attack (1)
Queen's Pawn Game - Stonewall Attack (1)
Queen's Pawn Game - Symmetrical Variation (1)
Queen's Pawn Game - Torre Attack (4)
Queen's Pawn Game - Veresov (1)
Queen's Pawn Game - Veresov Attack (1)
Queen's Pawn Game - Zilbermints Countergambit (1)
Queen's Pawn Game - Zukertort Variation (1)
Queen's Pawn Game - Zurich Gambit (1)
Queen's Pawn, Mengarini Attack - <empty> (0)
Rapport-Jobava System - <empty> (0)
Rapport-Jobava System, with e6 - <empty> (0)
Rat Defense - Accelerated Gurgenidze (1)
Rat Defense - Antal Defense (1)
Rat Defense - Balogh Defense (1)
Rat Defense - English Rat (2)
Rat Defense - Fuller Gambit (1)
Rat Defense - Petruccioli Attack (1)
Rat Defense - Small Center Defense (1)
Rat Defense - Spike Attack (1)
Richter-Veresov Attack - Boyce Defense (1)
Richter-Veresov Attack - Malich Gambit (1)
Richter-Veresov Attack - Richter Variation (1)
Richter-Veresov Attack - Two Knights System (1)
Richter-Veresov Attack - Veresov Variation (1)
Robatsch Defense - <empty> (0)
Rubinstein Opening - Bogoljubow Defense (1)
Rubinstein Opening - Classical Defense (1)
Rubinstein Opening - Semi-Slav Defense (1)
Ruy Lopez - Alapin Defense (1)
Ruy Lopez - Berlin Defense (20)
Ruy Lopez - Bird Variation (1)
Ruy Lopez - Bird's Defense Deferred (1)
Ruy Lopez - Brentano Gambit (1)
Ruy Lopez - Brix Variation (1)
Ruy Lopez - Bulgarian Variation (1)
Ruy Lopez - Central Countergambit (1)
Ruy Lopez - Classical Defense (2)
Ruy Lopez - Classical Variation (5)
Ruy Lopez - Closed (33)
Ruy Lopez - Closed Berlin Defense (1)
Ruy Lopez - Cozio Defense (2)
Ruy Lopez - Exchange (1)
Ruy Lopez - Exchange Variation (7)
Ruy Lopez - Fianchetto Defense (1)
Ruy Lopez - Halloween Attack (1)
Ruy Lopez - Lucena Variation (1)
Ruy Lopez - Marshall Attack (4)
Ruy Lopez - Morphy Defense (22)
Ruy Lopez - Noah's Ark Trap (2)
Ruy Lopez - Nürnberg Variation (1)
Ruy Lopez - Old Steinitz Defense (1)
Ruy Lopez - Open (19)
Ruy Lopez - Open Berlin Defense (2)
Ruy Lopez - Pollock Defense (1)
Ruy Lopez - Rabinovich Variation (1)
Ruy Lopez - Retreat Variation (1)
Ruy Lopez - Rotary-Albany Gambit (1)
Ruy Lopez - Schliemann Defense (7)
Ruy Lopez - Spanish Countergambit (2)
Ruy Lopez - Steinitz Defense (2)
Ruy Lopez - Steinitz Defense Deferred (2)
Ruy Lopez - Vinogradov Variation (1)
Ruy Lopez - Wormald Attack (1)
Réti Opening - Advance Variation (1)
Réti Opening - Anglo-Slav Variation (18)
Réti Opening - Penguin Variation (1)
Réti Opening - Reversed Blumenfeld Gambit (1)
Réti Opening - Réti Gambit (1)
Réti Opening - Zilbermints Gambit (1)
Saragossa Opening - <empty> (0)
Scandinavian Defense - <empty> (0)
Scandinavian Defense - Anderssen Counterattack (2)
Scandinavian Defense - Blackburne Gambit (1)
Scandinavian Defense - Boehnke Gambit (1)
Scandinavian Defense - Bronstein Variation (1)
Scandinavian Defense - Grünfeld Variation (1)
Scandinavian Defense - Icelandic-Palme Gambit (1)
Scandinavian Defense - Kiel Variation (1)
Scandinavian Defense - Kloosterboer Gambit (1)
Scandinavian Defense - Kádas Gambit (1)
Scandinavian Defense - Lasker Variation (1)
Scandinavian Defense - Main Line (1)
Scandinavian Defense - Modern Variation (2)
Scandinavian Defense - Panov Transfer (1)
Scandinavian Defense - Portuguese Gambit (8)
Scandinavian Defense - Richter Variation (1)
Scandinavian Defense - Schiller-Pytel Variation (2)
Scandinavian Defense - Valencian Variation (2)
Scandinavian Defense - Zilbermints Gambit (1)
Scotch Game - Alekhine Gambit (1)
Scotch Game - Blumenfeld Attack (1)
Scotch Game - Braune Variation (1)
Scotch Game - Classical Variation (2)
Scotch Game - Cochrane Variation (1)
Scotch Game - Cochrane-Shumov Defense (1)
Scotch Game - Fraser Variation (1)
Scotch Game - Ghulam-Kassim Variation (1)
Scotch Game - Gottschall Variation (1)
Scotch Game - Göring Gambit (2)
Scotch Game - Hanneken Variation (1)
Scotch Game - Horwitz Attack (1)
Scotch Game - Lolli Variation (1)
Scotch Game - Malaniuk Variation (1)
Scotch Game - Meitner Variation (1)
Scotch Game - Mieses Variation (1)
Scotch Game - Modern Defense (1)
Scotch Game - Napoleon Gambit (1)
Scotch Game - Paulsen (1)
Scotch Game - Paulsen Variation (1)
Scotch Game - Relfsson Gambit (1)
Scotch Game - Romanishin Variation (1)
Scotch Game - Rosenthal Variation (1)
Scotch Game - Scotch Gambit (4)
Scotch Game - Sea-Cadet Mate (1)
Scotch Game - Tartakower Variation (1)
Scotch Game - Vitzthum Attack (1)
Semi-Slav Defense - Accelerated Meran Variation (1)
Semi-Slav Defense - Anti-Moscow Gambit (1)
Semi-Slav Defense - Anti-Noteboom (1)
Semi-Slav Defense - Bogoljubow Variation (1)
Semi-Slav Defense - Botvinnik Variation (4)
Semi-Slav Defense - Chigorin Defense (6)
Semi-Slav Defense - Gunderam Gambit (1)
Semi-Slav Defense - Main Line (1)
Semi-Slav Defense - Marshall Gambit (2)
Semi-Slav Defense - Meran Variation (9)
Semi-Slav Defense - Normal Variation (2)
Semi-Slav Defense - Noteboom Variation (3)
Semi-Slav Defense - Romih Variation (1)
Semi-Slav Defense - Rubinstein System (1)
Semi-Slav Defense - Stoltz Variation (3)
Semi-Slav Defense - Stonewall Defense (1)
Sicilian Defense - Accelerated Dragon (4)
Sicilian Defense - Acton Extension (1)
Sicilian Defense - Alapin Variation (6)
Sicilian Defense - Amazon Attack (1)
Sicilian Defense - Big Clamp Formation (1)
Sicilian Defense - Boleslavsky Variation (3)
Sicilian Defense - Bowdler Attack (1)
Sicilian Defense - Brick Variation (1)
Sicilian Defense - Bücker Variation (1)
Sicilian Defense - Chekhover Variation (1)
Sicilian Defense - Classical Variation (3)
Sicilian Defense - Closed (9)
Sicilian Defense - Coles Sicilian Gambit (1)
Sicilian Defense - Delayed Alapin Variation (2)
Sicilian Defense - Double-Dutch Gambit (1)
Sicilian Defense - Dragon Variation (23)
Sicilian Defense - Drazic Variation (1)
Sicilian Defense - Euwe Attack (1)
Sicilian Defense - Flohr Variation (1)
Sicilian Defense - Four Knights Variation (4)
Sicilian Defense - Franco-Sicilian Variation (1)
Sicilian Defense - Frederico Variation (1)
Sicilian Defense - French Variation (1)
Sicilian Defense - Gaw-Paw Variation (1)
Sicilian Defense - Gloria Variation (1)
Sicilian Defense - Godiva Variation (1)
Sicilian Defense - Grand Prix Attack (1)
Sicilian Defense - Grob Variation (1)
Sicilian Defense - Halasz Gambit (1)
Sicilian Defense - Heidenfeld Variation (1)
Sicilian Defense - Hyperaccelerated Pterodactyl (1)
Sicilian Defense - Jalalabad Variation (1)
Sicilian Defense - Kalashnikov Variation (1)
Sicilian Defense - Kan Variation (8)
Sicilian Defense - Katalimov Variation (1)
Sicilian Defense - Keres Variation (1)
Sicilian Defense - King David's Opening (1)
Sicilian Defense - Kopec System (1)
Sicilian Defense - Kotov Gambit (1)
Sicilian Defense - Kramnik Variation (1)
Sicilian Defense - Kronberger Variation (1)
Sicilian Defense - Kupreichik Variation (1)
Sicilian Defense - Kveinis Variation (1)
Sicilian Defense - Lasker-Dunne Attack (1)
Sicilian Defense - Lasker-Pelikan Variation (7)
Sicilian Defense - Magnus Smith Trap (1)
Sicilian Defense - Marshall Counterattack (1)
Sicilian Defense - McDonnell Attack (1)
Sicilian Defense - Mengarini Variation (1)
Sicilian Defense - Modern Variations (3)
Sicilian Defense - Mongoose Variation (1)
Sicilian Defense - Morphy Gambit (1)
Sicilian Defense - Moscow Variation (4)
Sicilian Defense - Myers Attack (2)
Sicilian Defense - Najdorf Variation (16)
Sicilian Defense - Nimzo-American Variation (1)
Sicilian Defense - Nimzowitsch Variation (2)
Sicilian Defense - Nyezhmetdinov-Rossolimo Attack (6)
Sicilian Defense - O'Kelly Variation (17)
Sicilian Defense - Paulsen-Basman Defense (1)
Sicilian Defense - Pin Variation (2)
Sicilian Defense - Polish Gambit (1)
Sicilian Defense - Portsmouth Gambit (1)
Sicilian Defense - Prins Variation (1)
Sicilian Defense - Quinteros Variation (1)
Sicilian Defense - Richter-Rauzer Variation (13)
Sicilian Defense - Scheveningen Variation (14)
Sicilian Defense - Smith-Morra Gambit Accepted (14)
Sicilian Defense - Smith-Morra Gambit Declined (5)
Sicilian Defense - Smith-Morra Gambit Deferred (1)
Sicilian Defense - Snyder Variation (1)
Sicilian Defense - Sozin Attack (4)
Sicilian Defense - Spielmann Variation (1)
Sicilian Defense - Taimanov Variation (5)
Sicilian Defense - Velimirovic Attack (1)
Sicilian Defense - Venice Attack (1)
Sicilian Defense - Wing Gambit (7)
Sicilian Defense - Wing Gambit Deferred (1)
Sicilian Defense - Yates Variation (1)
Slav Defense - Alekhine Variation (1)
Slav Defense - Bonet Gambit (1)
Slav Defense - Breyer Variation (1)
Slav Defense - Chebanenko Variation (1)
Slav Defense - Czech Variation (6)
Slav Defense - Diemer Gambit (1)
Slav Defense - Exchange Variation (3)
Slav Defense - Geller Gambit (1)
Slav Defense - Modern Line (1)
Slav Defense - Quiet Variation (3)
Slav Defense - Schlechter Variation (1)
Slav Defense - Slav Gambit (1)
Slav Defense - Smyslov Variation (1)
Slav Defense - Soultanbeieff Variation (1)
Slav Defense - Steiner Variation (1)
Slav Defense - Süchting Variation (1)
Slav Defense - Winawer Countergambit (1)
Slav Indian - <empty> (0)
Slav Indian - Kudischewitsch Gambit (1)
Sodium Attack - Celadon Variation (1)
Sodium Attack - Chenoboskion Variation (1)
Sodium Attack - Durkin Gambit (1)
St. George Defense - Polish Variation (1)
St. George Defense - San Jorge Variation (1)
St. George Defense - Zilbermints Gambit (1)
Tarrasch Defense - Classical Variation (8)
Tarrasch Defense - Dubov Tarrasch (1)
Tarrasch Defense - Grünfeld Gambit (1)
Tarrasch Defense - Marshall Gambit (1)
Tarrasch Defense - Swedish Variation (1)
Tarrasch Defense - Symmetrical Variation (1)
Tarrasch Defense - Tarrasch Gambit (1)
Tarrasch Defense - Wagner Variation (1)
Tarrasch Defense - von Hennig Gambit (1)
Three Knights Opening - Schlechter Variation (1)
Three Knights Opening - Steinitz-Rosenthal Variation (1)
Three Knights Opening - Winawer Defense (1)
Torre Attack - Classical Defense (2)
Torre Attack - Fianchetto Defense (1)
Torre Attack - Wagner Gambit (1)
Trompowsky Attack - Borg Variation (1)
Trompowsky Attack - Classical Defense (1)
Trompowsky Attack - Edge Variation (2)
Trompowsky Attack - Poisoned Pawn Variation (1)
Trompowsky Attack - Raptor Variation (1)
Valencia Opening - <empty> (0)
Van Geet Opening - Battambang Variation (1)
Van Geet Opening - Billockus-Johansen Gambit (1)
Van Geet Opening - Damhaug Gambit (1)
Van Geet Opening - Dougherty Gambit (1)
Van Geet Opening - Dunst-Perrenet Gambit (1)
Van Geet Opening - Düsseldorf Gambit (1)
Van Geet Opening - Gladbacher Gambit (1)
Van Geet Opening - Grünfeld Defense (2)
Van Geet Opening - Hector Gambit (1)
Van Geet Opening - Hergert Gambit (1)
Van Geet Opening - Hulsemann Gambit (1)
Van Geet Opening - Jendrossek Gambit (1)
Van Geet Opening - Kluever Gambit (1)
Van Geet Opening - Laroche Gambit (1)
Van Geet Opening - Liebig Gambit (1)
Van Geet Opening - Melleby Gambit (1)
Van Geet Opening - Myers Attack (1)
Van Geet Opening - Napoleon Attack (1)
Van Geet Opening - Novosibirsk Variation (1)
Van Geet Opening - Nowokunski Gambit (1)
Van Geet Opening - Pfeiffer Gambit (1)
Van Geet Opening - Reversed Scandinavian (1)
Van Geet Opening - Sicilian Two Knights (1)
Van Geet Opening - Sleipnir Gambit (1)
Van Geet Opening - Twyble Attack (1)
Van Geet Opening - Tübingen Gambit (1)
Van Geet Opening - Venezolana Variation (1)
Van Geet Opening - Warsteiner Gambit (1)
Van't Kruijs Opening - Bouncing Bishop Variation (1)
Van't Kruijs Opening - Keoni-Hiva Gambit (3)
Vienna Gambit, with Max Lange Defense - Cunningham Defense (1)
Vienna Gambit, with Max Lange Defense - Hamppe-Allgaier Gambit (2)
Vienna Gambit, with Max Lange Defense - Quelle Gambit (1)
Vienna Gambit, with Max Lange Defense - Steinitz Gambit (4)
Vienna Game - Adams' Gambit (1)
Vienna Game - Giraffe Attack (1)
Vienna Game - Hamppe-Meitner Variation (1)
Vienna Game - Hamppe-Muzio (1)
Vienna Game - Heyde Variation (1)
Vienna Game - Mengarini Variation (1)
Vienna Game - Mieses Variation (1)
Vienna Game - Omaha Gambit (1)
Vienna Game - Paulsen Variation (3)
Vienna Game - Philidor Countergambit (1)
Vienna Game - Pierce Gambit (1)
Vienna Game - Stanley Variation (6)
Vienna Game - Vienna Gambit (4)
Vienna Game - Zhuravlev Countergambit (1)
Vulture Defense - <empty> (0)
Ware Defense - Snagglepuss Defense (1)
Ware Opening - Cologne Gambit (1)
Ware Opening - Crab Variation (1)
Ware Opening - Meadow Hay Trap (1)
Ware Opening - Symmetric Variation (1)
Ware Opening - Ware Gambit (1)
Ware Opening - Wing Gambit (1)
Zaire Defense - <empty> (0)
Zukertort Defense - Kingside Variation (1)
Zukertort Defense - Sicilian Knight Variation (1)
Zukertort Opening - <empty> (0)
Zukertort Opening - Ampel Variation (1)
Zukertort Opening - Arctic Defense (1)
Zukertort Opening - Basman Defense (1)
Zukertort Opening - Black Mustang Defense (1)
Zukertort Opening - Double Fianchetto Attack (1)
Zukertort Opening - Drunken Cavalry Variation (1)
Zukertort Opening - Herrstrom Gambit (1)
Zukertort Opening - Lemberger Gambit (1)
Zukertort Opening - Lisitsyn Gambit (1)
Zukertort Opening - Lisitsyn Gambit Deferred (1)
Zukertort Opening - Myers Polish Attack (1)
Zukertort Opening - Nimzo-Larsen Variation (1)
Zukertort Opening - Old Indian Attack (1)
Zukertort Opening - Pachman Gambit (1)
Zukertort Opening - Polish Defense (1)
Zukertort Opening - Queenside Fianchetto Variation (1)
Zukertort Opening - Quiet System (1)
Zukertort Opening - Regina-Nu Gambit (1)
Zukertort Opening - Reversed Grünfeld (2)
Zukertort Opening - Reversed Mexican Defense (1)
Zukertort Opening - Santasiere's Folly (1)
Zukertort Opening - Shabalov Gambit (1)
Zukertort Opening - Slav Invitation (1)
Zukertort Opening - Speelsmet Gambit (1)
Zukertort Opening - St. George Defense (1)
Zukertort Opening - Tennison Gambit (1)
Zukertort Opening - The Potato (1)
Zukertort Opening - The Walrus (1)
Zukertort Opening - Vos Gambit (1)
Zukertort Opening - Wade Defense (2)
Zukertort Opening - Ware Defense (1)
1/1. Balogh Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4