| D00 Queen Pawn Game; Close Opening; D00 1.d4 d5 D00 Sarratt Attack 1.d4 d5 2.Bf4 D00 Steinitz Countergambit, Queen Pawn Game 1.d4 d5 2.Bf4 c5 D00 Morris Gambit 1.d4 d5 2.Bf4 c5 3.e4 D00 Morris Counter-Gambit 1.d4 d5 2.Bf4 c5 3.e4 dxe4 D00 Bishop Attack; Levitsky Attack, Queen Pawn Game 1.d4 d5 2.Bg5 D00 Zot 1.d4 d5 2.Bg5 D00 Welling Variation, Queen Pawn Game 1.d4 d5 2.Bg5 Bg4 D00 Euwe Variation, Queen Pawn Game 1.d4 d5 2.Bg5 h6 3.Bh4 c6 4.Nf3 Qb6 D00 Stonewall Attack, Queen Pawn Game 1.d4 d5 2.e3 Nf6 3.Bd3 D00 Stonewall Attack 1.d4 d5 2.e3 Nf6 3.Bd3 c5 4.c3 D00 Blackmar-Diemer Gambit 1.d4 d5 2.e4 D00 Fritz Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Bc4 D00 Diemer-Rosenberg Attack, BDG 1.d4 d5 2.e4 dxe4 3.Be3 D00 Blackmar Gambit; Gedult Gambit 1.d4 d5 2.e4 dxe4 3.f3 D00 Pohlmann Variation, BDG 1.d4 d5 2.e4 dxe4 3.f3 f5 D00 Mieses; Nimzovich Var, BDG 1.d4 d5 2.e4 dxe4 3.f3 Nc6 D00 Polish Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 D00 Grosshans Defense, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Bd7 D00 Zeller Defesne, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Bf5 D00 Zeller Defesne, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Bf5 4.f3 exf3 5.Qxf3 Bc8 D00 Soller Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Bf5 4.f3 Nf6 5.Bc4 D00 Dries Counter-Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 c5 D00 Lemberger Counter-Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 e5 D00 Soller; Lemberger Var, BDG; Diemer Attack 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Be3 D00 Endgame Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.dxe5 D00 Rasmussen Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Nge2 D00 Lange Gambit; Alfred Lange Gambit; Simple Variation 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Nxe4 D00 Sneiders Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Qh5 D00 Rasa-Studier Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 e6 4.Be3 D00 Giertz-Peters Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 e6 4.f3 D00 Polish Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 e6 4.f3 Bf5 5.Bg5 D00 Netherlands Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 f5 D00 Mieses; Nimzovich Var, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nc6 D00 Vienna Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 D00 Studier-Rasa Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.Be3 D00 Von Popiel Gambit 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.Bg5 D00 Zilbermints Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.Bg5 Bf5 5.Bxf6 exf6 6.g4 Bg6 7.Qe2 Bb4 8.Qb5+ D00 Blackmar-Diemer Gambit 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 D00 Wiesengren Defense, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bc5 D00 Hans Mullers; Vienna V 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 D00 Soller; Vienna Var, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 5.Bc4 D00 Tejler Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 5.Bf4 D00 Sperling Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 5.d5 D00 Diemer Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 5.fxe4 D00 Kampars Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 5.g4 Bg6 6.g5 Nd5 7.fxe4 D00 Gunderam Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 5.g4 Bg6 6.h4 D00 Brombacher; Daberitz Var, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 c5 D00 O'Kelly Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 c6 D00 Langeheinecke Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 e3 D00 Elbert Counter-Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 e5 D00 Weinsbach Declination, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 e6 D00 Pfrang Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 e6 5.fxe4 Bb4 6.Bd3 Bxc3+ 7.bxc3 Nxe4 8.Be3 D00 Ritter Defense, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 b6 D00 Gunderam; Tartakower Var, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bf5 D00 Teichmann Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bg4 D00 Kaulich Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 c5 D00 Ziegler; Gunderam's 2nd Defense, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 c6 D00 Euwe Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 D00 Zilbermints Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Bg5 Be7 7.Bd3 Nc6 8.O-O Nxd4 9.Kh1 D00 Duthilleuk Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Bd3 Nc6 7.Bg5 Be7 8.Ne4 D00 Bogoljubow Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 D00 Mad Dog Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 6.Bc4 Bg7 7.h4 D00 Nimzovich Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 6.Bc4 Bg7 7.Ne5 D00 Kloss Attack, BDG 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 D00 Studier Attack, BDG 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 D00 Diemer Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 6.Bf4 D00 Peters Attack, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6 6.Ne5 D00 Gunderam Defense, BDG; Rook Pawn Defense 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 h5 D00 Schuttler Defense, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Nbd7 D00 Pietrowsky Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Nc6 D00 Ryder Variation, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 D00 Tautvaisis Defense, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 Nc6 D00 Tejler Gambit, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 Qxd4 6.Be3 Qg4 7.Qf2 Ne4 8.Nxe4 Qxe4 9.O-O-O Nc6 10.Bd3 D00 Albrecht; Karlshruhle Defense, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 g6 D00 Lamb Defense, BDG 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Nc6 D00 Mason Attack, Queen Pawn Game 1.d4 d5 2.f4 D00 Zurich Gambit 1.d4 d5 2.g4 D00 Chigorin; Ponziani; Veresov 1.d4 d5 2.Nc3 D00 Alburt Defense, QP 1.d4 d5 2.Nc3 Bf5 D00 Anti-Veresov 1.d4 d5 2.Nc3 Bg4 D00 Irish Gambit, QP 1.d4 d5 2.Nc3 c5 D00 Shaviliuk Gambit, QP 1.d4 d5 2.Nc3 e5 D00 Dutch System, QP 1.d4 d5 2.Nc3 f5 D00 Fianchetto Defense, QP 1.d4 d5 2.Nc3 g6 3.Nf3 Bg7 D00 Shropshire Defense 1.d4 d5 2.Nc3 h5 D00 Hubsch Gambit 1.d4 d5 2.Nc3 Nf6 3.e4 Nxe4 D00 Amazon Attack 1.d4 d5 2.Qd3 D00 Siberian Attack 1.d4 d5 2.Qd3 Nc6 3.Nc3 D01 Betbeder; Veresov; Levitzky; Parisian 1.d4 d5 2.c4 dxc4 3.e4 f5 D01 Richter-Veresov Opening; D01 1.d4 d5 2.Nc3 Nf6 3.Bg5 D01 Veresov Variation, QP 1.d4 d5 2.Nc3 Nf6 3.Bg5 Bf5 4.Bxf6 D01 Richter Variation, Veresov 1.d4 d5 2.Nc3 Nf6 3.Bg5 Bf5 4.f3 D01 Classical Defense, Veresov 1.d4 d5 2.Nc3 Nf6 3.Bg5 e6 4.Nf3 D01 Two Knights System, Veresov 1.d4 d5 2.Nc3 Nf6 3.Bg5 Nbd7 4.Nf3 D01 Grunfeld Defense, Veresov 1.d4 d5 2.Nc3 Nf6 3.Bg5 Nbd7 4.Nf3 g6 D01 Boyce Defense, Veresov 1.d4 d5 2.Nc3 Nf6 3.Bg5 Ne4 D02 Zukertort Variation, QP; D02 1.d4 d5 2.Nf3 D02 Anti-Torre, QP 1.d4 d5 2.Nf3 Bg4 D02 Anti-Torre 1.d4 d5 2.Nf3 Bg4 3.Ne5 Bf5 4.g4 D02 Queen's Gambit Reversed; Krause Variation 1.d4 d5 2.Nf3 c5 D02 Chandler Gambit, QP 1.d4 d5 2.Nf3 c5 3.g3 cxd4 4.Bg2 D02 Chigorin Variation, QP 1.d4 d5 2.Nf3 Nc6 D02 Symmetrical Variation, QP 1.d4 d5 2.Nf3 Nf6 D02 London System; Queen's Bishop Opening 1.d4 d5 2.Nf3 Nf6 3.Bf4 D02 Poisoned Pawn Variation, QP 1.d4 d5 2.Nf3 Nf6 3.Bf4 c5 4.e3 Qb6 5.Nc3 D02 Zilbermints Variation, QP 1.d4 d5 2.Nf3 Nf6 3.c4 b5 D02 Pseudo-Catalan 1.d4 d5 2.Nf3 Nf6 3.g3 D02 Barry Attack 1.d4 Nf6 2.Nf3 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Be2 D03 Torre Attack, QP; D03 1.d4 d5 2.Nf3 Nf6 3.Bg5 D03 Breyer Variation, QP 1.d4 d5 2.Nf3 Nf6 3.Bg5 e6 4.e3 c5 5.c3 Qb6 D03 Grunfeld Variation, QP 1.d4 d5 2.Nf3 Nf6 3.Bg5 g6 D03 Gossip Variation, QP 1.d4 d5 2.Nf3 Nf6 3.Bg5 Ne4 D04 Colle System; D04 1.d4 d5 2.Nf3 Nf6 3.e3 D04 Bishop Defense, QP; Anti-Colle 1.d4 d5 2.Nf3 Nf6 3.e3 Bf5 D05 Classical Defense, Colle System; D05 1.d4 d5 2.Nf3 Nf6 3.e3 e6 D05 Zukertort Variation, QP 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 D05 Rubinstein Attack, Colle 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.b3 D06 Queen's Gambit; Aleppo Gambit; D06 1.d4 d5 2.c4 D06 Zilbermints Gambit, QGD 1.d4 d5 2.c4 b5 D06 Brieger Defense; Sahovic Defense, QGD; Baltic Defense 1.d4 d5 2.c4 Bf5 D06 Pseudo-Slav, QGD 1.d4 d5 2.c4 Bf5 3.Nc3 e6 4.Nf3 c6 D06 Pseudo-Chigorin, QGD 1.d4 d5 2.c4 Bf5 3.Nc3 e6 4.Nf3 Nc6 D06 Queen Attack, Baltic Defens, QGD 1.d4 d5 2.c4 Bf5 3.Nc3 e6 4.Qb3 D06 Austrian Defense; Summetrical Defense, QGD 1.d4 d5 2.c4 c5 D06 Gusev Countergambit, QGD 1.d4 d5 2.c4 c5 3.cxd5 Nf6 D06 Haberditz Variation, QGD 1.d4 d5 2.c4 c5 3.cxd5 Nf6 4.e4 Nxe4 5.dxc5 Qa5+ D06 Salvio Countergambit, QGD 1.d4 d5 2.c4 c5 3.dxc5 d4 D06 Alekhine Defense, QGD 1.d4 d5 2.c4 g6 D06 Tartakower Gambit, QGD 1.d4 d5 2.c4 Nc6 3.Nc3 e5 D06 Modern Gambit, Chigorin Defense 1.d4 d5 2.c4 Nc6 3.Nc3 Nf6 4.Nf3 dxc4 D06 Alekhine Variation, Chigorin Defense 1.d4 d5 2.c4 Nc6 3.Nf3 Bg4 4.Qa4 D06 Lazard Gambit, Chigorin Defense 1.d4 d5 2.c4 Nc6 3.Nf3 e5 D06 Marshall Defense; Knight Defense, QGD 1.d4 d5 2.c4 Nf6 D06 Cocquio Counter Gambit, QGD; Tan Gambit 1.d4 d5 2.c4 Nf6 3.cxd5 c6 D07 Chigorin Defense, QGD; D07 1.d4 d5 2.c4 Nc6 D07 Exchange Variation, Chigorin Defense 1.d4 d5 2.c4 Nc6 3.cxd5 Qxd5 D07 Costa's Line 1.d4 d5 2.c4 Nc6 3.cxd5 Qxd5 4.e3 e5 5.Nc3 Bb4 6.Bd2 Bxc3 7.Bxc3 exd4 8.Ne2 D07 Janowski Variation, QGD 1.d4 d5 2.c4 Nc6 3.Nc3 dxc4 4.Nf3 D08 Albin Countergambit; Cavalotti Var, QGD; D08 1.d4 d5 2.c4 e5 D08 Lasker Trap, QGD 1.d4 d5 2.c4 e5 3.dxe5 d4 4.e3 Bb4+ 5.Bd2 dxe3 D08 Normal Line, Albin Countergambit, QGD 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 D08 Tartakower Defense, QGD 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 c5 D08 Alapin Variation, QGD 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 D09 Fianchetto Variation, Albin Countergambit; D09 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.g3 D10 Slav Defense; Czech Defense, QGD; D10 1.d4 d5 2.c4 c6 D10 Exchange Variation, Slav 1.d4 d5 2.c4 c6 3.cxd5 D10 Slav Pawn Game 1.d4 d5 2.c4 c6 3.e3 D10 Diemer Gambit, Slav 1.d4 d5 2.c4 c6 3.e4 D10 Alekhine Attack, Slav 1.d4 d5 2.c4 c6 3.Nc3 dxc4 4.e4 D10 Winawer Counter Gambit, Slav 1.d4 d5 2.c4 c6 3.Nc3 e5 D10 Anti-Winawer Gambit, Slav 1.d4 d5 2.c4 c6 3.Nc3 e5 4.e4 D11 Modern Line, Slav; D11 1.d4 d5 2.c4 c6 3.Nf3 D11 Slav Bishop's Game 1.d4 d5 2.c4 c6 3.Nf3 Bf5 D11 Bonet Gambit, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Bg5 D11 Quiet Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 D11 Breyer Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 D12 Schallopp Defense, Slav; D12 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 D12 Amsterdam Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.cxd5 cxd5 6.Nc3 D12 Rotterdam Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.cxd5 cxd5 6.Qb3 D12 Landau Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.cxd5 cxd5 6.Qb3 Qc8 7.Bd2 e6 8.Na3 D12 Pin Defense, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bg4 D13 Exchange Variation, Slav; D13 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 D14 Symmetrical Line, Slav; D14 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 D14 Trifunovic Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Qb3 Bb4 D15 Three Knights Variation, Slav; D15 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 D15 Chameleon Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 a6 D15 Advance System, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 c5 D15 Two Knights Attack, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 D15 Alekhine Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e3 D15 Alekhine Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e3 b5 6.a4 b4 D15 Geller Variation; Geller-Tolush Var, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4 D15 Schlechter Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 g6 D15 Suchting Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 Qb6 D16 Alapin Variation, Slav; D16 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 D16 Steiner Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bg4 D16 Soultanbeieff Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 e6 D16 Smyslov Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Na6 D17 Czech Defense; Open Slav Defense; D17 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 D17 Krause Attack, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 D17 Wiesbaden Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 e6 D17 Sharp Line, Wiesbaden Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 e6 7.f3 Bb4 8.e4 D17 Fazekas Gambit, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Na6 7.e4 D17 Carlsbad Variation, Slav 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Nbd7 7.Nxc4 Qc7 8.g3 e5 D17 Baarn Variation, Slav; Bled Attack 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Nh4 D18 Dutch Variation, Slav; D18 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 D18 Mareschall Variation, Slav; Lasker Variation 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 Na6 D19 Main Line, Czech Variation, Slav; D19 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O 9.Qe2 |
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