0 - Null
0.5-Ikarus m ® Ikarus-Schach n
0:0-Reiter m ® 0:0-Rider E
0:0-Rider E ® 0:0-Reiter m
0:0-Springer m ® 0:0-Leaper E
0:0-Sprung m ® 0:0-Leap E
0:0-Sprung m des Zero m ® 0:0-Leap of the Zero E
0:1 = Black has won vE ® Schwarz m hat gewonnen v
0:1 = Schwarz m hat gewonnen a ® Black has won vE
0:1+0:2-Springer m = Wazaba [G. P. Jelliss, Variant Chess 4, X-XII/1990, S. 39] ® Wazaba E ® 0:1+0:2- Leaper E
0:1+1:1-Heuschrecke f Normalform f der Heuschrecke f ® Locust E
0:1+1:1-Reiter m ® 0:1+0:1-Rider E
0:1+1:1-Reiterhüpfer m = Grashüpfer m ® 0:1+0:1-Riderhopper E = Grasshopper E
0:1+1:2-Reiter m = Waran ® Waran = 0:1+1:2-Rider E
0:1-Reiter m ® 0:1-Rider E
0:1-Rider E ® 0:1-Reiter m
0:1-Springer m = Wesir m Entfernt sich von seinem Standfeld um die Koordinaten 1/0 oder 0/1; z.B. kann ein 0:1-Springer von a1 aus die Felder a2 und b1 erreichen. [Bereits im Tamerlane nach Timur Lenk, 1336-1405; = General im Xiangqi] ® 0:1- Leaper E = Wazir E
0:2+1:2+2:2-Springer m = Zenturion m ® 0:2+1:2+2:2-Leaper E = Centurion E ® Arch Chess E
0:2+1:2-Springer m = Templar [G. P. Jelliss, Variant Chess 4, X-XII 1990, S. 39] 0:2+1:2-Leaper = Templar E
0:2-Heuschrecke f = Dabbabaheu-schrecke f ® 0:2-Locust E = Dabbaba-Locust E
0:3+0:4-Springer m ® Ll [UM]® 0:3+0:4-Leaper E
0:3-Springer m ® Sl [UM]® 0:3-Leaper E
0:4-Springer m ® Sr [UM] ® 0:4-Leaper E
0:5-Springer m ® Dl [UM]® 0:5-Leaper E
0:6+0:7-Springer m ® Ll [UM]® 0:6+0:7-Leaper E
0:6-Springer m ® Tl [UM]® 0:6-Leaper E
0:7-Springer m ® Dr [UM]® 0:7-Leaper E
0-0 ® kleine a Rochade f ® E
0-0-0 ® große a Rochade f ® E
0-0-0-0 ® “ganz große a Rochade f” (Märchenschach) ® E
007-Schach n ® Broschüre Variationen des Schachspiels Q DSJ Broschüre Variationen des Schachspiels DSJ
0-0-N Die Rochadezeitschrift Q, 1. 0-0-Thematurnier, 1979-1980. Spiegel-Zwillinge. Preisrichter: Klaus Wenda [0-0, Die Rochade-Zeitschrift: a) Ausschreibung: 0-0-2, V 1979, S. 15-18. b) “Endgültiges” Urteil: 0-0-8, VIII 1981, S. 17-18. c) (& Hanspeter Suwe): 0-0-9, VI 1982 S. 3; 3 Hilfsmatt-Preisträger]
1 2 3-Leaper E ® 1-2-3-Leaper E
1 2 3-Rider E ® 1-2-3-Rider E
-1(w+s); dann: Hilfsmatt n in 1 = Weiß und Schwarz nehmen je einen Zug so zurück, dass danach ein Hilfsmatt in 1 möglich ist. ® -1(w+s) ® h#1 ® E
1,2,3 ... board E ® Brett 1,2,3 ...
1,2,3 ... Brett n ® board 1,2,3 ... E
1,x-Rider E ® 1:X-Reiter m
1. Amerikanischer a Schachkongress m ® 1st American Chess Congress E
1. Amerikanischer a Schachkongress m, Aufgabenturnier n des - -n - es ® Aufgabenturnier des 1. Amerikanischer Schachkongresses
1. Braunschweiger Dart-SV Schachverein
1. Bundesliga Damen fp ® E
1. DSM f für Augenoptiker mp ®1. Deutsche Schachmeisterschaft für Augenoptiker 11. - 13.07.1997 in Dillingen a. d. Donau
1. ehrende Erwähnung f ® E
1. Einladungsturnier Pforzheim GER 97.05.24 - 97.05.31
1. Elmgren-Thema n In einem Zweizüger gibt es drei schwarze Steine, die zugfähig sind. Weiß verfügt über drei Verführungen, die je von einem der drei schwarzen Steine widerlegt werden. Die Drohungen der verführungen können auch durch die beiden anderen Steine pariert werden, darauf folgen allerdings andere Matts. Gibt es mehr als drei schwarze Steine, dann gibt es entsprechend viele Verführungen. [GS] ® 1st Elmgren theme E
1. FC Marktleuthen Schachverein
1. FC Schwarzenfeld e.V. Schachverein
1. Feldmann-Thema n Die weißen Mattzüge auf fortgesetzte Verteidigungen von zwei thematischen schwarzen Figuren werden nach den primären und sekundären Paraden reziprok vertauscht. [GS] ® 1st Feldmann theme E
1. FIDE-Turnier Q ®1 st FIDE tourney EQ
1. HK Osijek Pforzheim Schachverein
1. Klein-Winsener Rochade-TT Q
1. Makuc-Moder-Memorial Q
1. maskierte a Form f ® Thema n G ® E
1. Münchener Nichtraucher-Schachverein
1. Neuperlacher SK eV. Schachverein
1. Nichtraucher SC Berlin Schachverein
1. offizieller a Weltmeister m = Steinitz ® E
1. Pool-Billard SV 198 Schachverein
1. Präsident m des International Committee of Silent Chess E (ICSC, Weltausschuß n für Gehörlosenschach n) ® E
1. Runde f ® 1 st round, round 1 E
1. SC 1950 Hainstadt Schachverein
1. Schach Bundesliga 1997/98. Q Jung. 427 Seiten - kartoniert - Edition Jung 1998
1. Schachclub Anhalt Schachverein
1. Schweriner SV Schachverein
1. Spielrunde f ®1 st round, round 1 E
1. SV Niederrad 1988 Schachverein
1. Thema Turnier n ® E
1. Turnier der Solidarität Q
1. Vielväterproblem n Stammproblem / A. H. Kniest: Deutsche Märchenschachzeitung, 1932/IX, Nr.366 (Notation!) ® Das Vielväterproblem Q
1. Weltmeister m = Steinitz ® E
1. Wolfschach-Club (Notizbuch) Q
1... Sc6 aus allen Lagen - mit Diskette. Q Keilhack. 191 Seiten - kartoniert - Kania 1995
1.5-Ikarus m ® E ® Ikarus-Schach
1.a3 a5 2.b4 = Anderssen Opening, Polish Gambit = E A00 [GL]
1.a4 b5 2.axb5 Bb7 = Ware Opening, Wing Gambit = E A00 [GL]
1.a4 b6 2.d4 d5 3.Nc3 Nd7 = Ware Opening, Cologne Gambit = E A00 [GL]
1.a4 e5 2.a5 d5 3.e3 f5 4.a6 = Ware Opening, Ware Gambit = E A00 [GL]
1.b3 e5 2.Bb2 Nc6 3.f4 = Nimzo-Larsen Attack, Paschmann Gambit = E A01 [GL]
1.b3 e6 2.Bb2 f5 3.e4 = Nimzo-Larsen Attack, Ringelbach Gambit = E A01 [GL]
1.b4 c5 = Polish Opening, Birmingham Gambit = E A00 [GL]
1.b4 c6 2.Bb2 a5 3.b5 cxb5 4.e4 = Polish Opening, Schühler Gambit = E A00 [GL]
1.b4 e5 2.Bb2 c5 = Polish Opening, Wolferts Gambit = E A00 [GL]
1.b4 e5 2.Bb2 f6 3.e4 = Polish Opening, Tartakower Gambit = E A00 [GL]
1.b4 e5 2.Bb2 f6 3.e4 Bxb4 4.Bc4 Nc6 5.f4 Qe7 6.f5 g6 = Polish Opening, Tartakower Gambit, Brinckmann Variation = A00 [GL]
1.c4 b5 = English Opening, Halibut Gambit = E A10 [GL]
1.c4 c5 2.b4 = English Opening, Wing Gambit = E A30 [GL]
1.c4 c5 2.Nf3 Nf6 3.b4 = English Opening, Symmetrical Variation, Napolitano Gambit = E A30 [GL]
1.c4 d5 2.cxd5 e6 = English Opening, Anglo-Scandinavian Defense, Löhn Gambit = E A10 [GL]
1.c4 d5 2.cxd5 Nf6 = English Opening, Anglo-Scandinavian Defense, Schulz Gambit = E A10 [GL]
1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 b5 = English Opening, King's English Variation, Bellon Gambit = E A22 [GL]
1.c4 e6 2.d4 b6 3.e4 Bb7 4.f3 f5 5.exf5 Nh6 = English Defense, Poli Gambit = E A40 [GL]
1.c4 e6 2.d4 b6 3.Nc3 Bb7 4.e4 f5 5.d5 = English Defense, Hartlaub Gambit, Declined = A40 [GL]
1.c4 e6 2.d4 b6 3.Nc3 Bb7 4.e4 f5 5.exf5 Nf6 = English Defense, Hartlaub Gambit, Accepted = A40 [GL]
1.c4 e6 2.d4 e5 = Horwitz Defense, Zilbermints Gambit = E A40 [GL]
1.c4 e6 2.Nf3 Nf6 3.g3 a6 4.Bg2 b5 = English Opening, Agincourt Defense, Romanishin Gambit = E A13 [GL]
1.c4 f5 2.e4 = English Opening, Anglo-Dutch Defense, Hickmann Gambit = E A10 [GL]
1.c4 f5 2.g4 = English Opening, Wade Gambit = E A10 [GL]
1.c4 g5 2.d4 e5 = English Opening, Zilbermints Gambit = E A10 [GL]
1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.g4 = English Opening, Anglo-Indian Defense, Zviagintsev-Krasenkov Attack = A18 [GL]
1.d4 a6 2.c4 b5 3.e4 e6 4.cxb5 axb5 = St. George Defense, St. Georgs Gambit = E A40 [GL]
1.d4 b5 2.e4 Bb7 3.Bxb5 = Polish Defense, Spassky Gambit, Accepted = A40 [GL]
1.d4 c5 2.b4 = Benoni Defense, Zilbermints Benoni Gambit = E A43 [GL]
1.d4 c5 2.dxc5 = Benoni Defense, Benoni Gambit Accepted = A43 [GL]
1.d4 c5 2.dxc5 b6 = Benoni Defense, Cormorant Gambit = E A43 [GL]
1.d4 d5 2.Bf4 c5 = Queen Pawn Game, Steinitz Counter Gambit = E D00 [GL]
1.d4 d5 2.Bf4 c5 3.e4 = Queen Pawn Game, Morris Counter Gambit = E D00 [GL]
1.d4 d5 2.c4 = Queen's Gambit, General = D06 [GL]
1.d4 d5 2.c4 b5 = Queen's Gambit Refused, Zilbermints Gambit = E D06 [GL]
1.d4 d5 2.c4 Bf5 3.cxd5 Bxb1 4.Qa4+ c6 5.dxc6 Nxc6 = Queen's Gambit Refused, Baltic Defense, Argentinian Gambit = E D31 [GL]
1.d4 d5 2.c4 c5 3.cxd5 Nf6 = Queen's Gambit Refused, Austrian Defense, Gusev Counter Gambit = E D06 [GL]
1.d4 d5 2.c4 c5 3.cxd5 Nf6 4.e4 Nxe4 5.dxc5 Qa5+ = Queen's Gambit Refused, Austrian Defense, Haberditz Variation = D06 [GL]
1.d4 d5 2.c4 c6 3.e4 = Slav Defense, Diemer Gambit = E B12 [GL]
1.d4 d5 2.c4 c6 3.Nc3 dxc4 4.e4 = Slav Defense, Alekhine Attack = D10 [GL]
1.d4 d5 2.c4 c6 3.Nc3 dxc4 4.e4 = Slav Defense, Slav Gambit, Alekhine Attack = D10 [GL]
1.d4 d5 2.c4 c6 3.Nc3 e5 = Slav Defense, Winawer Counter Gambit = E D10 [GL]
1.d4 d5 2.c4 c6 3.Nc3 e5 4.e4 = Slav Defense, Winawer Counter Gambit, Anti-Winawer Gambit = E D10 [GL]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Bg5 = Slav Defense, Bonet Gambit = E D11 [GL]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 = Slav Defense, Czech Variation = D17 [GL]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Na6 7.e4 = Slav Defense, Czech Variation, Krause Attack, Fazekas Gambit = E D17 [GL]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bg4 = Slav Defense, Steiner Variation = D16 [GL]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e3 = Slav Defense, Alekhine Variation = D15 [GL]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4 = Slav Defense, Geller Gambit = E D15 [GL]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4 b5 6.e5 = Slav Defense, Geller Gambit = E D15 [GL]
1.d4 d5 2.c4 dxc4 = Queen's Gambit Accepted = D20 [GL]
1.d4 d5 2.c4 dxc4 3.e3 = Queen's Gambit Accepted, Old Variation = D20 [GL]
1.d4 d5 2.c4 dxc4 3.e3 e5 4.Bc4 exd4 5.Qb3 Qe7 6.a3 = Queen's Gambit Accepted, Old Variation, Billinger Gambit = E D20 [GL]
1.d4 d5 2.c4 dxc4 3.e3 e5 4.Bc4 exd4 5.Qb3 Qe7 6.Kf1 = Queen's Gambit Accepted, Old Variation, Korchnoi Gambit = E D20 [GL]
1.d4 d5 2.c4 dxc4 3.e3 e5 4.Bc4 exd4 5.Qb3 Qe7 6.Nd2 = Queen's Gambit Accepted, Old Variation, Novikov Gambit = E D20 [GL]
1.d4 d5 2.c4 dxc4 3.e3 e5 4.Bc4 exd4 5.Qb3 Qe7 6.Nf3 = Queen's Gambit Accepted, Old Variation, Christensen Gambit = E D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 = Queen's Gambit Accepted, Saduleto Variation = D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 b5 = Queen's Gambit Accepted, Central Variation, Greco Variation = D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 c5 = Queen's Gambit Accepted, Central Variation, Rubinstein Defense = D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 c5 4.d5 b5 = Queen's Gambit Accepted, Central Variation, Rubinstein Defense, Yefimov Gambit = E D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 c5 4.d5 Nf6 5.Nc3 b5 = Queen's Gambit Accepted, Linares Variation = D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 e5 = Queen's Gambit Accepted, Central Variation, McDonnell Defense = D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 e5 4.Bxc4 = Queen's Gambit Accepted, Central Variation, McDonnel Defense, Somov Gambit = E D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 Nc6 = Queen's Gambit Accepted, Central Variation, Modern Defense = D20 [GL]
1.d4 d5 2.c4 dxc4 3.e4 Nf6 = Queen's Gambit Accepted, Central Variation, Alekhine System = D20 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 a6 = Queen's Gambit Accepted, Alekhine Defense = D22 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 b5 = Queen's Gambit Accepted, Alekhine Defense, Haberditz Variation = D22 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e4 = Queen's Gambit Accepted, Alekhine Defense, Borisenko-Furman Variation = D21 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 b5 = Queen's Gambit Accepted, Slav Gambit = E D21 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 c5 4.d5 Nf6 5.Nc3 e6 6.e4 exd5 7.e5 = Queen's Gambit Accepted, Gunsberg Defense, Prianishenmo Gambit = E D24 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 e6 = Queen's Gambit Accepted, Rosenthal Variation = D21 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nd7 = Queen's Gambit Accepted, Godes Variation = D21 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Be6 = Queen's Gambit Accepted, Winawer Defense = D25 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 = Queen's Gambit Accepted, Janowski-Larsen Variation = D25 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 = Queen's Gambit Accepted, Classical Defense = D26 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.a4 = Queen's Gambit Accepted, Classical Defense, Rubinstein Variation = D27 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.dxc5 Bxc5 = Queen's Gambit Accepted, Furman Variation = D27 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.e4 = Queen's Gambit Accepted, Classical Defense, Russian Gambit = E D27 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Bb7 9.Rd1 Nbd7 10.Nc3 Bd6 = Queen's Gambit Accepted, Classical Defense, Alekhine System, Smyslov Variation = D29 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O cxd4 = Queen's Gambit Accepted, Classical Defense, Steinitz Variation, Exchange Variation = D26 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O Nc6 = Queen's Gambit Accepted, Classical Defense, Steinitz Variation, Development Variation = D26 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 g6 = Queen's Gambit Accepted, Smyslov Variation = D25 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 = Queen's Gambit Accepted, Showalter Variation = D24 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 a6 5.e4 = Queen's Gambit Accepted, Bogoljubow Defense = D24 [GL]
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Qa4+ = Queen's Gambit Accepted, Mannheim Variation = D23 [GL]
1.d4 d5 2.c4 dxc4 3.Qa4+ = Queen's Gambit Accepted, Accelerated Mannheim Variation = D20 [GL]
1.d4 d5 2.c4 e5 = Queen's Gambit Refused, Albin Counter Gambit = E D08 [GL]
1.d4 d5 2.c4 e5 3.dxe5 d4 4.e3 Bb4+ 5.Bd2 dxe3 = Queen's Gambit Refused, Albin Counter Gambit, Lasker Trap = D08 [GL]
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 c5 = Queen's Gambit Refused, Albin Counter Gambit, Tartakower Defense = D08 [GL]
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.g3 = Queen's Gambit Refused, Albin Counter Gambit, Fianchetto Variation = D09 [GL]
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 = Queen's Gambit Refused, Albin Counter Gambit, Alapin Variation = D08 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 cxd4 = Tarrasch Defense, Schara Gambit = E D32 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 cxd4 5.Qxd4 Nc6 6.Qd1 exd5 7.Qxd5 Be6 = Tarrasch Defense, Von Hennig Gambit = E D32 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.dxc5 d4 6.Na4 b5 = Tarrasch Defense, Tarrasch Gambit = E D32 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.e4 = Tarrasch Defense, Marshall Gambit = E D32 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.dxc5 d4 7.Na4 b5 = Tarrasch Defense, Gruenfeld Gambit = E D32 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.dxc5 d4 = Tarrasch Defense, Classical Variation, Classical Tarrasch Gambit = E D34 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 f5 5.g4 = Semi-Slav Defense, Anti-Noteboom, Stonewall Variation, Portisch Gambit = E D31 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c6 4.e4 = Semi-Slav Defense, Marshall Gambit = E D31 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c6 4.e4 dxe4 5.f3 = Semi-Slav Defense, Gunderam Gambit = E D31 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c6 4.e4 dxe4 5.Nxe4 Bb4+ 5.Bd2 = Semi-Slav Defense, Marshall Gambit, Main Line = D31 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c6 4.e4 dxe4 5.Nxe4 Bb4+ 5.Nc3 = Semi-Slav Defense, Marshall Gambit, Forgotten Variation = D31 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c6 4.e4 dxe4 5.Nxe4 Bb4+ 6.Bd2 Qxd4 7.Bxb4 Qxe4+ 8.Be2 c5 9.Bxc5 Qxg2 = Semi-Slav Defense, Marshall Gambit, Tolush Variation = D31 [GL]
1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 dxc4 = Semi-Slav Defense, Noteboom Variation = D31 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 h6 6.Bh4 dxc4 = Queen's Gambit Declined, Knight Defense, Alekhine Gambit = E D51 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 dxc4 = Queen's Gambit Declined, Ragozin Defense, Vienna Variation = D39 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 0-0 6.e3 Nbd7 = Queen's Gambit Declined, Harrwitz Attack, Two Knights Defense = D37 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 0-0 6.e3 Nbd7 7.c5 = Queen's Gambit Declined, Harrwitz Attack, Two Knights Defense, Blockade Line = D37 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 = Semi-Slav Defense, Botvinnik Variation = D44 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 h6 6.Bh4 = Semi-Slav Defense, Anti-Moscow Gambit = E D44 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 Bb7 9.e4 b4 10.Na4 c5 11.e5 Nd5 12.O-O cxd4 13.Nxd4 = Semi-Slav Defense, Meran Variation, Wade Variation, Kaidanov Gambit = E D47 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 dxc4 = Queen's Gambit Declined, Vienna Variation = D44 [GL]
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 dxc4 5.e3 = Queen's Gambit Declined, Vienna Variation, Quiet Variation = D44 [GL]
1.d4 d5 2.c4 e6 3.Nf3 c6 4.Nc3 dxc4 5.g3 = Semi-Slav Defense, Noteboom Variation, Anti-Noteboom Gambit = E D31 [GL]
1.d4 d5 2.c4 Nc6 3.Nc3 e5 = Queen's Gambit Refused, Chigorin Defense, Tartakower Gambit = E D06 [GL]
1.d4 d5 2.c4 Nc6 3.Nc3 Nf6 4.Nf3 dxc4 = Queen's Gambit Refused, Chigorin Defense, Modern Gambit = E D06 [GL]
1.d4 d5 2.c4 Nc6 3.Nf3 e5 = Queen's Gambit Refused, Chigorin Defense, Lazard Gambit = E D06 [GL]
1.d4 d5 2.c4 Nf6 3.cxd5 c6 = Queen's Gambit Refused, Marshall Defense, Tan Gambit = E D06 [GL]
1.d4 d5 2.e4 = Blackmar-Diemer Gambit = E D00 [GL]
1.d4 d5 2.e4 dxe4 3.Bc4 = Blackmar-Diemer Gambit, Fritz Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Be3 = Blackmar-Diemer Gambit, Diemer-Rosenberg Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.f3 = Blackmar-Diemer Gambit, Gedult Gambit = E D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Bd7 = Blackmar-Diemer Gambit, Declined, Grosshans Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Bf5 = Blackmar-Diemer Gambit, Zeller Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Bf5 4.f3 Nf6 5.Bc4 = Blackmar-Diemer Gambit, Zeller Defense, Soller Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Be3 = Blackmar-Diemer Gambit, Lemberger Counter Gambit, Diemer Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.dxe5 = Blackmar-Diemer Gambit, Lemberger Counter Gambit, Endgame Variation = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Nge2 = Blackmar-Diemer Gambit, Lemberger Counter Gambit, Rassmussen Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Nxe4 = Blackmar-Diemer Gambit, Lemberger Counter Gambit, Simple Variation = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Qh5 = Blackmar-Diemer Gambit, Lemberger Counter Gambit, Sneiders Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 f5 = Blackmar-Diemer Gambit, Netherlands Variation = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.Be3 = Blackmar-Diemer Gambit, Studier-Rasa Gambit = E D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.Bg5 = Blackmar-Diemer Gambit, Von Popiel Gambit = E D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.Bg5 Bf5 5.Bxf6 exf6 6.g4 Bg6 7.Qe2 Bb4 8.Qb5+ = Blackmar-Diemer Gambit, Von Popiel Gambit, Zilbermints Variation = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 c5 = Blackmar-Diemer Gambit, Declined, Brombacher Counter Gambit = E D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 c6 = Blackmar-Diemer Gambit, Declined, O'Kelly Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 e3 = Blackmar-Diemer Gambit, Declined, Langeheinecke Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 e5 = Blackmar-Diemer Gambit, Declined, Elbert Counter Gambit = E D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 e6 = Blackmar-Diemer Gambit, Declined, Weinsbach Declination = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nf3 e6 = Blackmar-Diemer Gambit, Euwe Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nf3 e6 6.Bg5 Be7 7.Bd3 Nc6 8.O-O Nxd4 9.Kh1 = Blackmar-Diemer Gambit, Euwe Defense, Zilbermints Gambit = E D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 b6 = Blackmar-Diemer Gambit, Ritter Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bf5 = Blackmar-Diemer Gambit, Tartakower Variation = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bg4 = Blackmar-Diemer Gambit, Teichmann Variation = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 c5 = Blackmar-Diemer Gambit, Kaulich Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 c6 = Blackmar-Diemer Gambit, Ziegler Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 = Blackmar-Diemer Gambit, Bogoljubow Variation = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 6.Bc4 Bg7 7.Ne5 = Blackmar-Diemer Gambit, Bogoljubow Variation, Nimzowitsch Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 6.Bc4 Bg7 7.O-O O-O 8.Kh1 = Blackmar-Diemer Gambit, Bogoljubow Variation, Kloss Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 6.Bc4 Bg7 7.O-O O-O 8.Qe1 = Blackmar-Diemer Gambit, Bogoljubow Variation, Studier Attack = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 h5 = Blackmar-Diemer Gambit, Rook Pawn Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Nbd7 = Blackmar-Diemer Gambit, Schlutter Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Nc6 = Blackmar-Diemer Gambit, Pietrowsky Defense = D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 = Blackmar-Diemer Gambit, Ryder Gambit = E D00 [GL]
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Nc6 = Blackmar-Diemer Gambit, Declined, Lamb Defense = D00 [GL]
1.d4 d5 2.g4 = Queen Pawn Game, Zurich Gambit = E D00 [GL]
1.d4 d5 2.Nc3 c5 = Queen Pawn Opening, Veresov Attack, Irish Gambit = E D00 [GL]
1.d4 d5 2.Nc3 e5 = Queen Pawn Game, Veresov Atack, Shaviliuk Gambit = E D00 [GL]
1.d4 d5 2.Nf3 c5 = Zukertort Opening, Reversed Queen's Gambit = E D02 [GL]
1.d4 d5 2.Nf3 c5 3.g3 cxd4 4.Bg2 = Queen Pawn Game, Chandler Gambit = E D02 [GL]
1.d4 d5 2.Nf3 Nf6 3.Bf4 c5 4.e3 Qb6 5.Nc3 = London System, Poisoned Pawn Variation = D02 [GL]
1.d4 d5 2.Nf3 Nf6 3.c4 b5 = Queen Pawn Game, Zilbermints Counter Gambit = E D02 [GL]
1.d4 e5 = Englund Gambit Complex = A40 [GL]
1.d4 e5 2.d5 = Englund Gambit Complex, Declined = A40 [GL]
1.d4 e5 2.d5 Bc5 3.e4 Qh4 = Englund Gambit Complex, Declined, Diemer Counterattack = A40 [GL]
1.d4 e5 2.dxe5 d6 = Englund Gambit Complex, Hartlaub-Charlick Gambit = E A40 [GL]
1.d4 e5 2.dxe5 f6 = Englund Gambit Complex, Soller Gambit = E A40 [GL]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Bc5 = Englund Gambit Complex, Felbecker Gambit = E A40 [GL]
1.d4 e5 2.dxe5 Nc6 3.Nf3 f6 = Englund Gambit Complex, Soller Gambit Deferred = A40 [GL]
1.d4 e5 2.dxe5 Nc6 3.Nf3 h6 = Englund Gambit Complex, Zilbermints Gambit II = [GL]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7 = Englund Gambit Complex, Zilbermints Gambit = E A40 [GL]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 = Englund Gambit Complex, Englund Gambit = E A40 [GL]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Qd5 = Englund Gambit Complex, Stockholm Variation = A40 [GL]
1.d4 e5 2.dxe5 Qh4 = Englund Gambit Complex, Mosquito Gambit = E A40 [GL]
1.d4 e6 2.Bf4 f5 3.g4 = Dutch Defense, Senechaud Gambit = E A80 [GL]
1.d4 e6 2.c4 f5 3.e4 = Horwitz Defense, Dutch Defense, Bellon Gambit = E A84 [GL]
1.d4 f5 2.e4 d6 = Dutch Defense, Staunton Gambit, Balogh Defense = A82 [GL]
1.d4 f5 2.e4 fxe4 = Dutch Defense, Staunton Gambit, Accepted = A82 [GL]
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 = Dutch Defense, Staunton Gambit, General Variation = A83 [GL]
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.f3 = Dutch Defense, Blackmar's Second Gambit = E A80 [GL]
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 = Dutch Defense, Staunton Gambit, Tartakower Variation = A82 [GL]
1.d4 f5 2.e4 fxe4 3.Nd2 = Dutch Defense, Staunton Gambit, American Attack = A82 [GL]
1.d4 f5 2.g4 = Dutch Defense, Krejcik Gambit = E A80 [GL]
1.d4 f5 2.g4 e5 = Dutch Defense, Hevendehl Gambit = E A80 [GL]
1.d4 f5 2.g4 fxg4 3.e4 d5 4.Nc3 = Dutch Defense, Krejcik Gambit, Tate Gambit = E A80 [GL]
1.d4 f5 2.h3 Nf6 3.g4 = Dutch Defense, Janzen-Korchnoi Gambit = E A80 [GL]
1.d4 f5 2.Nc3 d5 3.e4 = Dutch Defense, Kingfisher Gambit = E A80 [GL]
1.d4 f5 2.Nc3 Nf6 3.g4 = Dutch Defense, Spielmann Gambit = E A80 [GL]
1.d4 f5 2.Qd3 d5 3.g4 = Dutch Defense, Manhattan Gambit, Anti-Stonewall = A80 [GL]
1.d4 f5 2.Qd3 d6 3.g4 = Dutch Defense, Manhattan Gambit, Anti-Modern = A80 [GL]
1.d4 f5 2.Qd3 e6 3.g4 = Dutch Defense, Manhattan Gambit, Anti-Classical Line = A80 [GL]
1.d4 f5 2.Qd3 g6 3.g4 = Dutch Defense, Manhattan Gambit, Anti-Leningrad = A80 [GL]
1.d4 g5 = Borg Defense, Borg Gambit = E A40 [GL]
1.d4 g6 2.h4 Nf6 3.h5 = Modern Defense, Lizard Defense, Pirc-Diemer Gambit = E A40 [GL]
1.d4 Nc6 2.c4 e5 3.dxe5 Nxe5 4.Nc3 Nxc4 = Queen Pawn Game, Lundin-Kevitz-Mikenas Defense, Pozarek Gambit = E A40 [GL]
1.d4 Nf6 2.Bg5 c5 3.d5 Qb6 4.Nc3 = Trompowsky Attack, Poisoned Pawn Variation = A45 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 = Benko Gambit = E A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.a4 = Benko Gambit, Declined, Sosonko Variation = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.Bg5 = Benko Gambit, Declined, Bishop Attack = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.b6 = Benko Gambit, Accepted, Pawn Return Variation = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 g6 9.g3 Bg7 10.Kg2 O-O 11.Nf3 = Benko Gambit, Accepted, King Walk Variation = A59 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 g6 7.Nf3 d6 8.g3 Bg7 9.Bg2 = Benko Gambit, Accepted, Fianchetto Variation = A58 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bxa6 7.f4 = Benko Gambit, Accepted, Central Storming Variation = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 = Benko Gambit, Accepted, Modern Variation = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.f3 = Benko Gambit, Accepted, Dlugy Variation = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 = Benko Gambit, Zaitsev System = A58 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5 = Benko Gambit, Zaitsev Variation, Nescafe Frappe Attack = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.e4 = Benko Gambit, Declined, Hjoerring Counter Gambit = E A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.f3 = Benko Gambit, Declined, Pseudo-Saemisch = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nd2 = Benko Gambit, Declined, Quiet Line = A57 [GL]
1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nf3 = Benko Gambit, Declined, Main Line = A57 [GL]
1.d4 Nf6 2.c4 c5 3.dxc5 e6 = Benoni Defense, Weenink Variation = A56 [GL]
1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.e4 = Old Indian Defense, Janowski Variation, Grinberg Gambit = E A53 [GL]
1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 = Budapest Defense, Fajarowicz Variation = A51 [GL]
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 = Budapest Defense = A52 [GL]
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 = Catalan Opening, Open Defense = E04 [GL]
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Nc6 6.Qa4 Bb4+ = Catalan Opening, Open Defense, Modern Sharp Variation = E04 [GL]
1.d4 Nf6 2.c4 e6 3.g3 e5 = Catalan Opening, Hungarian Gambit = E E00 [GL]
1.d4 Nf6 2.c4 e6 3.g4 = Indian Game, Devin Gambit = E E00 [GL]
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 b5 = Nimzo-Indian Defense, Leningrad Variation, Averbakh Gambit = E E30 [GL]
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.d5 b5 = Nimzo-Indian Defense, Three Knights Variation, Shocron Gambit = E E21 [GL]
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 = Nimzo-Indian Defense, Spielmann Variation, Romanovsky Gambit = E E23 [GL]
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 Qxd5 6.Nf3 Qf5 7.Qd1 e5 = Nimzo-Indian Defense, Classical Variation, Belyavsky Gambit = E E34 [GL]
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 b5 = Nimzo-Indian Defense, Classical Variation, Vitolinsh-Adorjan Gambit = E E32 [GL]
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 5.Qc2 c5 6.dxc5 O-O = Nimzo-Indian Defense, Classical Variation, Lisitsyn-Bondarevsky Gambit = E E39 [GL]
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.d5 exd5 8.Nd4 = Queen's Indian Defense, Classical Variation, Taimanov Gambit = E E17 [GL]
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.d5 exd5 8.Nh4 = Queen's Indian Defense, Classical Variation, Polugayevsky Gambit = E E17 [GL]
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.a3 d5 6.cxd5 Nxd5 7.e4 = Queen's Indian Defense, Kasparov-Petrosian Variation, Polovodin Gambit = E E12 [GL]
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 = Blumenfeld Counter Gambit = E E10 [GL]
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5 = Blumenfeld Counter Gambit, Dus-Chotimursky Variation = E10 [GL]
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5 exd5 6.cxd5 h6 = Blumenfeld Counter Gambit, Spielmann Variation = E10 [GL]
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.dxe6 fxe6 6.cxb5 d5 = Blumenfeld Counter Gambit, Accepted = E10 [GL]
1.d4 Nf6 2.c4 g5 = Indian Game, Medusa Gambit = E A50 [GL]
1.d4 Nf6 2.c4 g6 3.d5 b5 = Indian Game, Anti-Gruenfeld, Adorjan Gambit = E E60 [GL]
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.d5 e6 8.Nf3 exd5 9.e5 = King's Indian Defense, Four Pawns Attack, Florentine Gambit = E E77 [GL]
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.Ne1 Nd7 10.Be3 f5 11.f3 f4 12.Bf2 g5 13.Rc1 Ng6 14.c5 = King's Indian Defense, Orthodox Variation, Classical System, Kozul Gambit = E E99 [GL]
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Nxd5 Qxd5 8.Bxc7 = Gruenfeld Defense, Brinckmann Attack, Grünfeld Gambit, Accepted = D84 [GL]
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 c5 7.dxc5 Be6 = Gruenfeld Defense, Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation = D83 [GL]
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 c5 7.dxc5 Qa5 = Gruenfeld Defense, Brinckmann Attack, Reshevsky Gambit = E D83 [GL]
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 Bg4 11.f3 Na5 12.Bxf7+ = Gruenfeld Defense, Exchange Variation, Seville Variation = D87 [GL]
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.g4 = Gruenfeld Defense, Gibbon Gambit = E D80 [GL]
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.h4 = Gruenfeld Defense, Zaitsev Gambit = E D80 [GL]
1.d4 Nf6 2.c4 Nc6 3.d5 Ne5 4.f4 = Mexican Defense, Horsefly Gambit = E A50 [GL]
1.d4 Nf6 2.e4 = Indian Game, Omega Gambit = E A45 [GL]
1.d4 Nf6 2.e4 Nxe4 3.Bd3 Nf6 4.Bg5 = Indian Game, Omega Gambit, Arafat Gambit = E A45 [GL]
1.d4 Nf6 2.f3 d5 3.e4 = Indian Game, Paleface Attack, Blackmar-Diemer Gambit Deferred = A45 [GL]
1.d4 Nf6 2.g4 e5 = Indian Game, Gibbins-Wiedehagen Gambit, Oshima Defense = A45 [GL]
1.d4 Nf6 2.g4 Nxg4 = Indian Game, Gibbins-Wiedehagen Gambit, Accepted = A45 [GL]
1.d4 Nf6 2.g4 Nxg4 3.e4 d6 4.Be2 Nf6 5.Nc3 = Indian Game, Gibbins-Wiedehagen Gambit, Stummer Gambit = E A45 [GL]
1.d4 Nf6 2.g4 Nxg4 3.f3 Nf6 4.e4 = Indian Game, Gibbins-Wiedehagen Gambit, Maltese Falcon = A45 [GL]
1.d4 Nf6 2.Nc3 d5 3.Bg5 c5 4.Bxf6 gxf6 5.e4 dxe4 6.d5 = Veresov Opening, Malich Gambit = E D00 [GL]
1.d4 Nf6 2.Nc3 d5 3.e4 Nxe4 = Queen Pawn Game, Hübsch Gambit = E D00 [GL]
1.d4 Nf6 2.Nc3 e5 = Indian Game, Maddigan Gambit = E A45 [GL]
1.d4 Nf6 2.Nd2 e5 = Indian Game, Lazard Gambit = E A45 [GL]
1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e3 b6 5.d5 = Torre Attack, Classical Defense, Petrosian Gambit = E A46 [GL]
1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e4 = Torre Attack, Wagner Gambit = E A46 [GL]
1.e4 a6 2.d4 e5 = St. George Defense, Zilbermints Gambit = E B00 [GL]
1.e4 b6 2.d4 Bb7 3.Bd3 f5 4.exf5 Bxg2 5.Qh5+ g6 = Owen Defense, Matinovsky Gambit = E B00 [GL]
1.e4 b6 2.d4 Bb7 3.Bg5 = Owen Defense, Naselwaus Gambit = E B00 [GL]
1.e4 b6 2.d4 Bb7 3.f3 e5 = Owen Defense, Wind Gambit = E B00 [GL]
1.e4 b6 2.d4 Bb7 3.Nf3 = Owen Defense, Smith Gambit = E B00 [GL]
1.e4 c5 2.b4 = Sicilian Defense, Wing Gambit = E B20 [GL]
1.e4 c5 2.b4 cxb4 3.a3 = Sicilian Defense, Wing Gambit, Marshall Variation = B20 [GL]
1.e4 c5 2.b4 cxb4 3.a3 bxa3 = Sicilian Defense, Wing Gambit, Carlsbad Variation = B20 [GL]
1.e4 c5 2.b4 cxb4 3.Bb2 = Sicilian Defense, Wing Gambit, Abrahams Variation = B20 [GL]
1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 = Sicilian Defense, Alapin Variation, Smith-Morra Declined = B22 [GL]
1.e4 c5 2.d4 cxd4 3.c3 = Sicilian Defense, Smith-Morra Gambit = E B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 d3 = Sicilian Defense, Smith-Morra Gambit, Declined, Push Variation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 d3 4.c4 = Sicilian Defense, Smith-Morra Gambit, Declined, Dubois Variation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 d5 = Sicilian Defense, Smith-Morra Gambit, Declined, Scandinavian Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 d6 5.Bc4 e6 6.Nf3 Nf6 7.O-O a6 = Sicilian Defense, Smith-Morra Gambit, Accepted, Chicago Defense = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Bc4 a6 6.Nf3 Ne7 = Sicilian Defense, Smith-Morra Gambit, Accepted, Taimanov Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 a6 = Sicilian Defense, Smith-Morra Gambit, Accepted, Kan Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6 6.Bc4 a6 7.O-O Nf6 = Sicilian Defense, Smith-Morra Gambit, Accepted, Classical Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6 = Sicilian Defense, Smith-Morra Gambit, Accepted, Scheveningen Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 = Sicilian Defense, Smith-Morra Gambit, Accepted, Paulsen Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 7.O-O b5 8.Bb3 Bc5 = Sicilian Defense, Smith-Morra Gambit, Accepted, Morphy Defense Deferred = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 7.O-O Qc7 8.Qe2 Bd6 = Sicilian Defense, Smith-Morra Gambit, Accepted, Larsen Defense = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Bb4 = Sicilian Defense, Smith-Morra Gambit, Accepted, Pin Defense = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Bc5 = Sicilian Defense, Smith-Morra Gambit, Accepted, Morphy Defense = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 d6 7.O-O a6 8.Qe2 b5 = Sicilian Defense, Smith-Morra Gambit, Accepted, Sozin Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 g6 = Sicilian Defense, Smith-Morra Gambit, Accepted, Fianchetto Defense = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 e5 = Sicilian Defense, Smith-Morra Gambit, Declined, Center Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 Nf6 = Sicilian Defense, Smith-Morra Gambit, Declined, Alapin Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.c3 Qa5 = Sicilian Defense, Smith-Morra Gambit, Declined, Wing Formation = B21 [GL]
1.e4 c5 2.d4 cxd4 3.f4 = Sicilian Defense, Halasz Gambit = E B21 [GL]
1.e4 c5 2.d4 cxd4 3.Nf3 = Sicilian Defense, Morphy Gambit = E B21 [GL]
1.e4 c5 2.d4 cxd4 3.Nf3 e5 4.c3 = Sicilian Defense, Morphy Gambit, Andreaschek Gambit = E B21 [GL]
1.e4 c5 2.f4 d5 3.exd5 Nf6 = Sicilian Defense, McDonnell Attack, Tal Gambit = E B21 [GL]
1.e4 c5 2.Nc3 e6 3.d4 d5 = Sicilian Defense, Marshall Gambit = E B23 [GL]
1.e4 c5 2.Nf3 a6 3.b4 = Sicilian Defense, O'Kelly Variation, Wing Gambit = E B28 [GL]
1.e4 c5 2.Nf3 a6 3.c3 d5 4.exd5 Nf6 = Sicilian Defense, O'Kelly Variation, Venice System, Gambit line = B28 [GL]
1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Bc4 = Sicilian Defense, O'Kelly Variation, Normal System, Cortlever Gambit = E B28 [GL]
1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.c3 = Sicilian Defense, O'Kelly Variation, Normal System, Smith-Morra Line = B28 [GL]
1.e4 c5 2.Nf3 d6 3.b4 = Sicilian Defense, Wing Gambit, Deferred Variation = B50 [GL]
1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Qe2 g6 6.e5 = Sicilian Defense, Canal Attack, Dorfman Gambit = E B52 [GL]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 = Sicilian Defense, Najdorf Variation, Poisoned Pawn Variation = B97 [GL]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Rb1 Qa3 = Sicilian Defense, Najdorf Variation, Poisoned Pawn, Accepted = B97 [GL]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.g4 e5 8.Nf5 g6 9.g5 = Sicilian Defense, Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit = E B81 [GL]
1.e4 c5 2.Nf3 d6 3.g3 b5 = Sicilian Defense, Kotov Gambit = E B50 [GL]
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Qb6 7.Be3 Bc5 8.Qg4 = Sicilian Defense, Kan Variation, Wing Attack, Christiansen's Dream = B43 [GL]
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6 8.Na3 d5 = Sicilian Defense, Paulsen Variation, Gary Gambit = E B44 [GL]
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Ndb5 Qb8 7.Be3 a6 8.Bb6 = Sicilian Defense, Paulsen Variation, Bastrikov Variation, Ponomariov Gambit = E B48 [GL]
1.e4 c5 2.Nf3 f5 = Sicilian Defense, Brussels Gambit = E B27 [GL]
1.e4 c5 2.Nf3 f5 3.exf5 Nh6 = Sicilian Defense, Double-Dutch Gambit = E B28 [GL]
1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ 5.Nc3 Bxc3 6.bxc3 Qxc3+ = Sicilian Defense, Hyperaccelerated Pterodactyl, VARIATION? = B27 [GL]
1.e4 c5 2.Nf3 Nc6 3.Bb5 Na5 4.b4 = Sicilian Defense, Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit = E B31 [GL]
1.e4 c6 2.c4 d5 3.exd5 cxd5 4.cxd5 Nf6 = Caro-Kann Defense, Accelerated Panov Attack, Modern Variation = B10 [GL]
1.e4 c6 2.d4 d5 3.Bd3 Nf6 4.e5 Nfd7 6.e6 = Caro-Kann Defense, Mieses Attack, Landau Gambit = E B12 [GL]
1.e4 c6 2.d4 d5 3.Be3 = Caro-Kann Defense, Mieses Gambit = E B12 [GL]
1.e4 c6 2.d4 d5 3.e5 c5 = Caro-Kann Defense, Advance Variation, Botvinnik-Carls Defense = B12 [GL]
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 g6 6.cxd5 Bg7 = Caro-Kann Defense, Panov Attack, Fianchetto Defense, Fianchetto Gambit = E B13 [GL]
1.e4 c6 2.d4 d5 3.f3 dxe4 4.fxe4 e5 5.Nf3 exd4 6.Bc4 = Caro-Kann Defense, Maroczy Variation, Maroczy Gambit = E B12 [GL]
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4 = Caro-Kann Defense, Von Hennig Gambit = E B15 [GL]
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.f3 = Caro-Kann Defense, Rasa-Studier Gambit = E B15 [GL]
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Bd3 = Caro-Kann Defense, Alekhine Gambit = E B15 [GL]
1.e4 c6 2.d4 d5 3.Nf3 dxe4 4.Ng5 = Caro-Kann Defense, Ulysses Gambit = E B12 [GL]
1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Ng5 = Caro-Kann Defense, Hector Gambit = E B12 [GL]
1.e4 d5 2.b4 = Scandinavian Defense, Zilbermints Gambit = E B01 [GL]
1.e4 d5 2.exd5 c6 = Scandinavian Defense, Blackburne-Kloosterboer Gambit = E B01 [GL]
1.e4 d5 2.exd5 c6 3.dxc6 Nxc6 = Scandinavian Defense, Blackburne Gambit = E B01 [GL]
1.e4 d5 2.exd5 c6 3.dxe6 e5 = Scandinavian Defense, Kloosterboer Gambit = E B01 [GL]
1.e4 d5 2.exd5 e5 3.dxe6 Bxe6 = Scandinavian Defense, Boehnke Gambit = E B01 [GL]
1.e4 d5 2.exd5 Nf6 = Scandinavian Defense, Modern Variation = B01 [GL]
1.e4 d5 2.exd5 Nf6 3.c4 e6 = Scandinavian Defense, Icelandic-Palme Gambit = E B01 [GL]
1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.f3 Bf5 5.Bb5+ Nbd7 = Scandinavian Defense, Portuguese Variation, Portuguese Gambit = E B01 [GL]
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.b4 = Scandinavian Defense, Main Lines, Leonhardt Gambit = E B01 [GL]
1.e4 d6 2.d4 Nf6 3.Nc3 Nbd7 4.f4 e5 5.Nf3 exd4 6.Qxd4 c6 7.Bc4 d5 = Lion Defense, Anti-Philidor, Lion's Cave, Lion Claw Gambit = E B07 [GL]
1.e4 d6 2.d4 Nf6 3.Nf3 = Pirc Defense, Roscher Gambit = E B07 [GL]
1.e4 e5 2.Bb5 Bc5 3.b4 = Portuguese Opening, Miguel Gambit = E C20 [GL]
1.e4 e5 2.Bb5 Nf6 3.d4 = Portuguese Opening, Portuguese Gambit = E C20 [GL]
1.