Encyclopedia

Chess Openings

Browse openings by ECO code. Study the moves, then play from the position.

D — Closed & Semi-Closed Games

541 openings
D003 plies

Amazon Attack

1. d4 d5 2. Qd3

D003 plies

Blackmar-Diemer Gambit

1. d4 d5 2. e4

D006 plies

Blackmar-Diemer Gambit

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6

D008 plies

Blackmar-Diemer Gambit Accepted

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3

D0010 plies

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6

D0015 plies

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack

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

D0013 plies

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. h4

D0013 plies

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. Ne5

D0015 plies

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Studier Attack

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

D0010 plies

Blackmar-Diemer Gambit Accepted: Euwe Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6

D0017 plies

Blackmar-Diemer Gambit Accepted: Euwe Defense, Zilbermints Gambit

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

D0010 plies

Blackmar-Diemer Gambit Accepted: Gunderam Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5

D0014 plies

Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader Variation

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Be4

D0010 plies

Blackmar-Diemer Gambit Accepted: Holwell Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Qd6

D0010 plies

Blackmar-Diemer Gambit Accepted: Kaulich Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c5

D0010 plies

Blackmar-Diemer Gambit Accepted: Pietrowsky Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6

D0010 plies

Blackmar-Diemer Gambit Accepted: Ritter Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 b6

D009 plies

Blackmar-Diemer Gambit Accepted: Ryder Gambit

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3

D0010 plies

Blackmar-Diemer Gambit Accepted: Schlutter Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nbd7

D0010 plies

Blackmar-Diemer Gambit Accepted: Teichmann Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4

D0015 plies

Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Qf2

D0015 plies

Blackmar-Diemer Gambit Accepted: Teichmann Defense, Classical Variation

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be3

D0015 plies

Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. g4

D0010 plies

Blackmar-Diemer Gambit Accepted: Ziegler Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6

D008 plies

Blackmar-Diemer Gambit Declined: Brombacher Countergambit

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c5

D008 plies

Blackmar-Diemer Gambit Declined: Elbert Countergambit

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e5

D008 plies

Blackmar-Diemer Gambit Declined: Gedult Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 a6

D008 plies

Blackmar-Diemer Gambit Declined: Lamb Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Nc6

D008 plies

Blackmar-Diemer Gambit Declined: Langeheinicke Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e3

D008 plies

Blackmar-Diemer Gambit Declined: O'Kelly Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c6

D008 plies

Blackmar-Diemer Gambit Declined: Vienna Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf5

D008 plies

Blackmar-Diemer Gambit Declined: Weinsbach Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e6

D005 plies

Blackmar-Diemer Gambit: Blackmar Gambit

1. d4 d5 2. e4 dxe4 3. f3

D005 plies

Blackmar-Diemer Gambit: Diemer-Rosenberg Attack

1. d4 d5 2. e4 dxe4 3. Be3

D005 plies

Blackmar-Diemer Gambit: Fritz Attack

1. d4 d5 2. e4 dxe4 3. Bc4

D006 plies

Blackmar-Diemer Gambit: Lemberger Countergambit

1. d4 d5 2. e4 dxe4 3. Nc3 e5

D007 plies

Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation

1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. dxe5

D007 plies

Blackmar-Diemer Gambit: Lemberger Countergambit, Lange Gambit

1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nxe4

D007 plies

Blackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen Attack

1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nge2

D007 plies

Blackmar-Diemer Gambit: Lemberger Countergambit, Sneiders Attack

1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Qh5

D007 plies

Blackmar-Diemer Gambit: Lemberger Countergambit, Soller Attack

1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Be3

D006 plies

Blackmar-Diemer Gambit: Netherlands Variation

1. d4 d5 2. e4 dxe4 3. Nc3 f5

D007 plies

Blackmar-Diemer Gambit: Rasa-Studier Gambit

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3

D006 plies

Blackmar-Diemer Gambit: Reversed Albin Countergambit

1. d4 d5 2. e4 dxe4 3. Nc3 c5

D006 plies

Blackmar-Diemer Gambit: Zeller Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Bf5

D009 plies

Blackmar-Diemer Gambit: Zeller Defense, Soller Attack

1. d4 d5 2. e4 dxe4 3. Nc3 Bf5 4. f3 Nf6 5. Bc4

D007 plies

Blackmar-Diemer Gambit: von Popiel Gambit

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg5

D0015 plies

Blackmar-Diemer Gambit: von Popiel Gambit, Zilbermints Variation

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg5 Bf5 5. Bxf6 exf6 6. g4 Bg6 7. Qe2 Bb4 8. Qb5+

D002 plies

Queen's Pawn Game

1. d4 d5

D003 plies

Queen's Pawn Game

1. d4 d5 2. e3

D004 plies

Queen's Pawn Game

1. d4 d5 2. e3 Nf6

D003 plies

Queen's Pawn Game: Accelerated London System

1. d4 d5 2. Bf4

D004 plies

Queen's Pawn Game: Accelerated London System, Steinitz Countergambit

1. d4 d5 2. Bf4 c5

D005 plies

Queen's Pawn Game: Accelerated London System, Steinitz Countergambit Accepted

1. d4 d5 2. Bf4 c5 3. dxc5

D005 plies

Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit

1. d4 d5 2. Bf4 c5 3. e4

D006 plies

Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit Accepted

1. d4 d5 2. Bf4 c5 3. e4 dxe4

D003 plies

Queen's Pawn Game: Chigorin Variation

1. d4 d5 2. Nc3

D004 plies

Queen's Pawn Game: Chigorin Variation

1. d4 d5 2. Nc3 e6

D004 plies

Queen's Pawn Game: Chigorin Variation, Alburt Defense

1. d4 d5 2. Nc3 Bf5

D004 plies

Queen's Pawn Game: Chigorin Variation, Anti-Veresov

1. d4 d5 2. Nc3 Bg4

D006 plies

Queen's Pawn Game: Chigorin Variation, Fianchetto Defense

1. d4 g6 2. Nf3 Bg7 3. Nc3 d5

D004 plies

Queen's Pawn Game: Chigorin Variation, Irish Gambit

1. d4 d5 2. Nc3 c5

D004 plies

Queen's Pawn Game: Chigorin Variation, Shaviliuk Gambit

1. d4 d5 2. Nc3 e5

D004 plies

Queen's Pawn Game: Chigorin Variation, Shropshire Defense

1. d4 d5 2. Nc3 h5

D005 plies

Queen's Pawn Game: Hübsch Gambit

1. d4 Nf6 2. Nc3 d5 3. e4

D003 plies

Queen's Pawn Game: Levitsky Attack

1. d4 d5 2. Bg5

D004 plies

Queen's Pawn Game: Levitsky Attack, Welling Variation

1. d4 d5 2. Bg5 Bg4

D003 plies

Queen's Pawn Game: Mason Attack

1. d4 d5 2. f4

D005 plies

Queen's Pawn Game: Stonewall Attack

1. d4 d5 2. e3 Nf6 3. Bd3

D003 plies

Queen's Pawn Game: Zurich Gambit

1. d4 d5 2. g4

D015 plies

Rapport-Jobava System

1. d4 d5 2. Nc3 Nf6 3. Bf4

D016 plies

Rapport-Jobava System

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6

D016 plies

Rapport-Jobava System

1. d4 d5 2. Nc3 Nf6 3. Bf4 g6

D015 plies

Rapport-Jobava System, with e6

1. d4 d5 2. Nc3 e6 3. Bf4

D015 plies

Richter-Veresov Attack

1. d4 Nf6 2. Nc3 d5 3. Bg5

D016 plies

Richter-Veresov Attack

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5

D016 plies

Richter-Veresov Attack: Boyce Defense

1. d4 Nf6 2. Nc3 d5 3. Bg5 Ne4

D0111 plies

Richter-Veresov Attack: Malich Gambit

1. d4 Nf6 2. Nc3 d5 3. Bg5 c5 4. Bxf6 gxf6 5. e4 dxe4 6. d5

D017 plies

Richter-Veresov Attack: Richter Variation

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3

D017 plies

Richter-Veresov Attack: Two Knights System

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Nf3

D018 plies

Richter-Veresov Attack: Two Knights System, Grünfeld Defense

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Nf3 g6

D017 plies

Richter-Veresov Attack: Veresov Variation

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. Bxf6

D029 plies

London System: Poisoned Pawn Variation

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3

D028 plies

Queen's Gambit Declined: Baltic Defense, Pseudo-Slav

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6

D024 plies

Queen's Pawn Game: Anti-Torre

1. Nf3 d5 2. d4 Bg4

D027 plies

Queen's Pawn Game: Chandler Gambit

1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Bg2

D024 plies

Queen's Pawn Game: Chigorin Variation

1. d4 d5 2. Nf3 Nc6

D024 plies

Queen's Pawn Game: Krause Variation

1. d4 d5 2. Nf3 c5

D028 plies

Queen's Pawn Game: Levitsky Attack, Euwe Variation, Modern Line

1. d4 d5 2. Nf3 c6 3. Bg5 h6 4. Bh4 Qb6

D025 plies

Queen's Pawn Game: London System

1. d4 d5 2. Nf3 Nf6 3. Bf4

D0210 plies

Queen's Pawn Game: London System, Pterodactyl Variation

1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+

D025 plies

Queen's Pawn Game: London System, with e6

1. d4 d5 2. Nf3 e6 3. Bf4

D024 plies

Queen's Pawn Game: Symmetrical Variation

1. d4 d5 2. Nf3 Nf6

D025 plies

Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan

1. d4 d5 2. Nf3 Nf6 3. g3

D026 plies

Queen's Pawn Game: Zilbermints Countergambit

1. d4 d5 2. Nf3 Nf6 3. c4 b5

D023 plies

Queen's Pawn Game: Zukertort Variation

1. d4 d5 2. Nf3

D035 plies

Queen's Pawn Game: Torre Attack

1. d4 d5 2. Nf3 Nf6 3. Bg5

D036 plies

Queen's Pawn Game: Torre Attack, Gossip Variation

1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4

D036 plies

Queen's Pawn Game: Torre Attack, Grünfeld Variation

1. d4 d5 2. Nf3 Nf6 3. Bg5 g6

D045 plies

Queen's Pawn Game: Colle System

1. d4 d5 2. Nf3 Nf6 3. e3

D046 plies

Queen's Pawn Game: Colle System, Anti-Colle

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5

D048 plies

Queen's Pawn Game: Colle System, Grünfeld Formation

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7

D056 plies

Queen's Pawn Game: Colle System

1. d4 d5 2. Nf3 Nf6 3. e3 e6

D057 plies

Queen's Pawn Game: Colle System

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3

D059 plies

Queen's Pawn Game: Colle System, Traditional Colle

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3

D059 plies

Queen's Pawn Game: Zukertort Variation

1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. Nbd2 e6 5. b3

D059 plies

Rubinstein Opening

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3

D0514 plies

Rubinstein Opening: Bogoljubow Defense

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Nc6 6. O-O Bd6 7. Bb2 O-O

D0514 plies

Rubinstein Opening: Classical Defense

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Nc6 6. O-O Be7 7. Bb2 O-O

D0513 plies

Rubinstein Opening: Semi-Slav Defense

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. b3 Nbd7 7. Bb2

D0514 plies

Rubinstein Opening: Semi-Slav Defense

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6

D0515 plies

Rubinstein Opening: Semi-Slav Defense

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. Nbd2

D063 plies

Queen's Gambit

1. d4 d5 2. c4

D066 plies

Queen's Gambit Declined: Austrian Attack, Salvio Countergambit

1. d4 d5 2. c4 c5 3. dxc5 d4

D064 plies

Queen's Gambit Declined: Austrian Defense

1. d4 d5 2. c4 c5

D066 plies

Queen's Gambit Declined: Austrian Defense, Gusev Countergambit

1. d4 d5 2. c4 c5 3. cxd5 Nf6

D0610 plies

Queen's Gambit Declined: Austrian Defense, Haberditz Variation

1. d4 d5 2. c4 c5 3. cxd5 Nf6 4. e4 Nxe4 5. dxc5 Qa5+

D064 plies

Queen's Gambit Declined: Baltic Defense

1. d4 d5 2. c4 Bf5

D0610 plies

Queen's Gambit Declined: Baltic Defense, Argentinian Gambit

1. d4 d5 2. c4 Bf5 3. cxd5 Bxb1 4. Qa4+ c6 5. dxc6 Nxc6

D068 plies

Queen's Gambit Declined: Baltic Defense, Pseudo-Chigorin

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 Nc6

D065 plies

Queen's Gambit Declined: Baltic Defense, Queen Attack

1. d4 d5 2. c4 Bf5 3. Qb3

D067 plies

Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3

D064 plies

Queen's Gambit Declined: Marshall Defense

1. d4 d5 2. c4 Nf6

D066 plies

Queen's Gambit Declined: Marshall Defense, Tan Gambit

1. d4 d5 2. c4 Nf6 3. cxd5 c6

D064 plies

Queen's Gambit Declined: Zilbermints Gambit

1. d4 d5 2. c4 b5

D074 plies

Queen's Gambit Declined: Chigorin Defense

1. d4 d5 2. c4 Nc6

D075 plies

Queen's Gambit Declined: Chigorin Defense

1. d4 d5 2. c4 Nc6 3. Nc3

D076 plies

Queen's Gambit Declined: Chigorin Defense

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4

D076 plies

Queen's Gambit Declined: Chigorin Defense, Exchange Variation

1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5

D0715 plies

Queen's Gambit Declined: Chigorin Defense, Exchange Variation, 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

D077 plies

Queen's Gambit Declined: Chigorin Defense, Janowski Variation

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3

D076 plies

Queen's Gambit Declined: Chigorin Defense, Lazard Gambit

1. d4 d5 2. c4 Nc6 3. Nf3 e5

D076 plies

Queen's Gambit Declined: Chigorin Defense, Main Line

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4

D077 plies

Queen's Gambit Declined: Chigorin Defense, Main Line, Alekhine Variation

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Qa4

D078 plies

Queen's Gambit Declined: Chigorin Defense, Modern Gambit

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3 Nf6

D076 plies

Queen's Gambit Declined: Chigorin Defense, Tartakower Gambit

1. d4 d5 2. c4 Nc6 3. Nc3 e5

D084 plies

Queen's Gambit Declined: Albin Countergambit

1. d4 d5 2. c4 e5

D0810 plies

Queen's Gambit Declined: Albin Countergambit, Balogh Variation

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Qe7

D0810 plies

Queen's Gambit Declined: Albin Countergambit, Janowski Variation

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 f6

D0816 plies

Queen's Gambit Declined: Albin Countergambit, Krenosz Variation

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Bg4 6. h3 Bxf3 7. Nxf3 Bb4+ 8. Bd2 Qe7

D0810 plies

Queen's Gambit Declined: Albin Countergambit, Lasker Trap

1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3

D089 plies

Queen's Gambit Declined: Albin Countergambit, Modern Line

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2

D087 plies

Queen's Gambit Declined: Albin Countergambit, Normal Line

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3

D087 plies

Queen's Gambit Declined: Albin Countergambit, Spassky Variation

1. d4 d5 2. c4 e5 3. dxe5 d4 4. e4

D088 plies

Queen's Gambit Declined: Albin Countergambit, Tartakower Defense

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 c5

D099 plies

Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3

D0910 plies

Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation, Be6 Line

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6

D0910 plies

Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation, Bf5 Line

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bf5

D0910 plies

Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation, Bg4 Line

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bg4

D104 plies

Slav Defense

1. d4 d5 2. c4 c6

D105 plies

Slav Defense

1. d4 d5 2. c4 c6 3. Nc3

D106 plies

Slav Defense

1. d4 d5 2. c4 c6 3. Nc3 dxc4

D105 plies

Slav Defense: Diemer Gambit

1. d4 d5 2. c4 c6 3. e4

D105 plies

Slav Defense: Exchange Variation

1. d4 d5 2. c4 c6 3. cxd5

D109 plies

Slav Defense: Exchange Variation, Boor Attack

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. f3

D107 plies

Slav Defense: Slav Gambit, Alekhine Attack

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4

D106 plies

Slav Defense: Winawer Countergambit

1. d4 d5 2. c4 c6 3. Nc3 e5

D107 plies

Slav Defense: Winawer Countergambit, Anti-Winawer Gambit

1. d4 d5 2. c4 c6 3. Nc3 e5 4. e4

D117 plies

Slav Defense: Bonet Gambit

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bg5

D117 plies

Slav Defense: Breyer Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2

D115 plies

Slav Defense: Modern Line

1. d4 d5 2. c4 c6 3. Nf3

D1110 plies

Slav Defense: Modern Line

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 g6

D117 plies

Slav Defense: Quiet Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3

D118 plies

Slav Defense: Quiet Variation, Pin Defense

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4

D1214 plies

Slav Defense: Quiet Variation, Amsterdam Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3 e6 7. Ne5 Nfd7

D1215 plies

Slav Defense: Quiet Variation, Landau Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Qc8 7. Bd2 e6 8. Na3

D128 plies

Slav Defense: Quiet Variation, Schallopp Defense

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5

D1210 plies

Slav Defense: Quiet Variation, Schallopp Defense

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6

D138 plies

Slav Defense: Exchange Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5

D1311 plies

Slav Defense: Exchange Variation, Schallopp Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3

D1412 plies

Slav Defense: Exchange Variation, Symmetrical Line

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5

D1416 plies

Slav Defense: Exchange Variation, Trifunovic Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4

D159 plies

Slav Defense: Alekhine Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3

D158 plies

Slav Defense: Chebanenko Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6

D1510 plies

Slav Defense: Chebanenko Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 Bf5

D159 plies

Slav Defense: Chebanenko Variation, Advance System

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5

D159 plies

Slav Defense: Geller Gambit

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4

D1511 plies

Slav Defense: Geller Gambit

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5

D158 plies

Slav Defense: Schlechter Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6

D158 plies

Slav Defense: Süchting Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Qb6

D157 plies

Slav Defense: Three Knights Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3

D158 plies

Slav Defense: Two Knights Attack

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4

D169 plies

Slav Defense: Alapin Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4

D1610 plies

Slav Defense: Smyslov Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6

D1610 plies

Slav Defense: Soultanbeieff Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6

D1610 plies

Slav Defense: Steiner Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4

D1710 plies

Slav Defense: Czech Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5

D1711 plies

Slav Defense: Czech Variation, Bled Attack

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Nh4

D1716 plies

Slav Defense: Czech Variation, Carlsbad Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5

D1722 plies

Slav Defense: Czech Variation, Carlsbad Variation, Morozevich Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 g5

D1711 plies

Slav Defense: Czech Variation, Krause Attack

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5

D1713 plies

Slav Defense: Czech Variation, Krause Attack, Fazekas Gambit

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. e4

D1712 plies

Slav Defense: Czech Variation, Wiesbaden Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6

D1715 plies

Slav Defense: Czech Variation, Wiesbaden Variation, Sharp Line

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4

D1811 plies

Slav Defense: Czech Variation, Classical System

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3

D1812 plies

Slav Defense: Czech Variation, Lasker Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6

D1917 plies

Slav Defense: Czech Variation, Classical System, Main Line

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

D1915 plies

Slav Defense: Czech Variation, Dutch Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O

D1919 plies

Slav Defense: Czech Variation, Dutch Variation, Sämisch Variation

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 Ne4 10. g4

D204 plies

Queen's Gambit Accepted

1. d4 d5 2. c4 dxc4

D205 plies

Queen's Gambit Accepted: Accelerated Mannheim Variation

1. d4 d5 2. c4 dxc4 3. Qa4+

D206 plies

Queen's Gambit Accepted: Central Variation, Alekhine System

1. d4 d5 2. c4 dxc4 3. e4 Nf6

D206 plies

Queen's Gambit Accepted: Central Variation, Greco Variation

1. d4 d5 2. c4 dxc4 3. e4 b5

D206 plies

Queen's Gambit Accepted: Central Variation, McDonnell Defense

1. d4 d5 2. c4 dxc4 3. e4 e5

D207 plies

Queen's Gambit Accepted: Central Variation, McDonnell Defense, Somov Gambit

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Bxc4

D206 plies

Queen's Gambit Accepted: Central Variation, Modern Defense

1. d4 d5 2. c4 dxc4 3. e4 Nc6

D206 plies

Queen's Gambit Accepted: Central Variation, Rubinstein Defense

1. d4 d5 2. c4 dxc4 3. e4 c5

D208 plies

Queen's Gambit Accepted: Central Variation, Rubinstein Defense, Yefimov Gambit

1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 b5

D2010 plies

Queen's Gambit Accepted: Linares Variation

1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5

D205 plies

Queen's Gambit Accepted: Old Variation

1. d4 d5 2. c4 dxc4 3. e3

D2011 plies

Queen's Gambit Accepted: Old Variation, Billinger Gambit

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. a3

D2011 plies

Queen's Gambit Accepted: Old Variation, Christensen Gambit

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Nf3

D2011 plies

Queen's Gambit Accepted: Old Variation, Korchnoi Gambit

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Kf1

D2011 plies

Queen's Gambit Accepted: Old Variation, Novikov Gambit

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Nd2

D205 plies

Queen's Gambit Accepted: Saduleto Variation

1. d4 d5 2. c4 dxc4 3. e4

D206 plies

Queen's Gambit Accepted: Schwartz Defense

1. d4 d5 2. c4 dxc4 3. e4 f5

D217 plies

Queen's Gambit Accepted: Alekhine Defense, Borisenko-Furman Variation

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e4

D216 plies

Queen's Gambit Accepted: Godes Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nd7

D216 plies

Queen's Gambit Accepted: Gunsberg Defense

1. d4 d5 2. c4 dxc4 3. Nf3 c5

D215 plies

Queen's Gambit Accepted: Normal Variation

1. d4 d5 2. c4 dxc4 3. Nf3

D216 plies

Queen's Gambit Accepted: Rosenthal Variation

1. d4 d5 2. c4 dxc4 3. Nf3 e6

D216 plies

Queen's Gambit Accepted: Slav Gambit

1. d4 d5 2. c4 dxc4 3. Nf3 b5

D226 plies

Queen's Gambit Accepted: Alekhine Defense

1. d4 d5 2. c4 dxc4 3. Nf3 a6

D2211 plies

Queen's Gambit Accepted: Alekhine Defense, Alatortsev Variation

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. d5

D228 plies

Queen's Gambit Accepted: Alekhine Defense, Haberditz Variation

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5

D236 plies

Queen's Gambit Accepted

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6

D237 plies

Queen's Gambit Accepted: Mannheim Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+

D249 plies

Queen's Gambit Accepted

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4

D249 plies

Queen's Gambit Accepted: Bogoljubow Defense

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4

D2413 plies

Queen's Gambit Accepted: Gunsberg Defense, Prianishenmo Gambit

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 c5 5. d5 e6 6. e4 exd5 7. e5

D247 plies

Queen's Gambit Accepted: Showalter Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3

D258 plies

Queen's Gambit Accepted: Janowski-Larsen Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4

D257 plies

Queen's Gambit Accepted: Normal Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3

D258 plies

Queen's Gambit Accepted: Smyslov Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6

D258 plies

Queen's Gambit Accepted: Winawer Defense

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Be6

D2610 plies

Queen's Gambit Accepted: Classical Defense

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5

D2611 plies

Queen's Gambit Accepted: Classical Defense, Normal Line

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O

D2612 plies

Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6

D2612 plies

Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Exchange Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O cxd4

D2619 plies

Queen's Gambit Accepted: Classical, Furman Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. dxc5 Bxc5 8. O-O Nc6 9. e4 b5 10. e5

D268 plies

Queen's Gambit Accepted: Normal Variation, Traditional System

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6

D2712 plies

Queen's Gambit Accepted: Classical Defense, Main Line

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6

D2713 plies

Queen's Gambit Accepted: Classical Defense, Rubinstein Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4

D2713 plies

Queen's Gambit Accepted: Classical Defense, Russian Gambit

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. e4

D2714 plies

Queen's Gambit Accepted: Furman Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Bxc5

D2813 plies

Queen's Gambit Accepted: Classical Defense, Alekhine System

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2

D2814 plies

Queen's Gambit Accepted: Classical Defense, Alekhine System

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5

D2826 plies

Queen's Gambit Accepted: Classical, Flohr Variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Nc6 9. Rd1 c4 10. Bc2 Nb4 11. Nc3 Nxc2 12. Qxc2 Bb7 13. d5 Qc7

D2916 plies

Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line

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

D2920 plies

Queen's Gambit Accepted: Classical Defense, Alekhine System, Smyslov Variation

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

D304 plies

Queen's Gambit Declined

1. d4 d5 2. c4 e6

D308 plies

Queen's Gambit Declined: Capablanca Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 h6

D3011 plies

Queen's Gambit Declined: Capablanca Variation

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 c6 5. Nbd2 Nbd7 6. e3

D3012 plies

Queen's Gambit Declined: Semmering Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 c5

D3010 plies

Queen's Gambit Declined: Spielmann Variation

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 g6

D3012 plies

Queen's Gambit Declined: Stonewall Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Ne4 6. Bd3 f5

D306 plies

Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch

1. d4 d5 2. c4 e6 3. Nf3 c5

D309 plies

Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch Bishop Attack

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Bg5

D307 plies

Queen's Gambit Declined: Traditional Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5

D308 plies

Queen's Gambit Declined: Vienna Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+

D309 plies

Semi-Slav Defense: Quiet Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2

D3010 plies

Semi-Slav Defense: Quiet Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7

D316 plies

Queen's Gambit Declined: Alapin Variation

1. d4 e6 2. c4 b6 3. Nc3 d5

D316 plies

Queen's Gambit Declined: Charousek Variation

1. d4 d5 2. c4 e6 3. Nc3 Be7

D319 plies

Queen's Gambit Declined: Charousek Variation, Miladinovic Gambit

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. e4 dxe4 5. f3

D316 plies

Queen's Gambit Declined: Janowski Variation

1. d4 d5 2. c4 e6 3. Nc3 a6

D315 plies

Queen's Gambit Declined: Queen's Knight Variation

1. d4 d5 2. c4 e6 3. Nc3

D3114 plies

Queen's Gambit Declined: Semi-Slav, Abrahams Variation

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5

D3114 plies

Queen's Gambit Declined: Semi-Slav, Junge Variation

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Qb6

D3114 plies

Queen's Gambit Declined: Semi-Slav, Koomen Variation

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 Qe7

D3114 plies

Queen's Gambit Declined: Uhlmann Variation

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. Rc1 dxc4

D316 plies

Semi-Slav Defense: Accelerated Move Order

1. d4 d5 2. c4 e6 3. Nc3 c6

D319 plies

Semi-Slav Defense: Anti-Noteboom, Stonewall Variation, Portisch Gambit

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. g4

D319 plies

Semi-Slav Defense: Gunderam Gambit

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. f3

D317 plies

Semi-Slav Defense: Marshall Gambit

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4

D3111 plies

Semi-Slav Defense: Marshall Gambit, Forgotten Variation

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3

D3111 plies

Semi-Slav Defense: Marshall Gambit, Main Line

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2

D3118 plies

Semi-Slav Defense: Marshall Gambit, Tolush Variation

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

D318 plies

Semi-Slav Defense: Noteboom Variation

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4

D3116 plies

Semi-Slav Defense: Noteboom Variation, Abrahams Variation

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 Bxc3+ 7. bxc3 b5 8. axb5 cxb5

D319 plies

Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Gambit

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. g3

D319 plies

Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. Bg5

D3110 plies

Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. Bg5 f6

D328 plies

Queen's Gambit Declined: Tarrasch Defense

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5

D326 plies

Tarrasch Defense

1. d4 d5 2. c4 e6 3. Nc3 c5

D3214 plies

Tarrasch Defense: Grünfeld Gambit

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Na4 b5

D329 plies

Tarrasch Defense: Marshall Gambit

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. e4

D328 plies

Tarrasch Defense: Schara Gambit

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4

D3210 plies

Tarrasch Defense: Symmetrical Variation

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6

D3212 plies

Tarrasch Defense: Tarrasch Gambit

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 d4 6. Na4 b5

D329 plies

Tarrasch Defense: Two Knights Variation

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3

D3214 plies

Tarrasch Defense: von Hennig Gambit

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qxd4 Nc6 6. Qd1 exd5 7. Qxd5 Be6

D3316 plies

Tarrasch Defense: Dubov Tarrasch

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5

D3312 plies

Tarrasch Defense: Prague Variation

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6

D3311 plies

Tarrasch Defense: Rubinstein System

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3

D3312 plies

Tarrasch Defense: Swedish Variation

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4

D3313 plies

Tarrasch Defense: Swedish Variation, Central Break

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. e4

D3314 plies

Tarrasch Defense: Wagner Variation

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Bg4

D3420 plies

Queen's Gambit Declined: Tarrasch Defense, Stoltz Variation

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. Bg5 Be6 10. Rc1 b6

D3416 plies

Tarrasch Defense: Classical Variation

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

D3418 plies

Tarrasch Defense: Classical Variation, Advance Variation

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. Bg5 c4

D3420 plies

Tarrasch Defense: Classical Variation, Bogoljubow Variation

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 d5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. O-O O-O 9. Bg5 Be6 10. Rc1 c4

D3417 plies

Tarrasch Defense: Classical Variation, Carlsbad Variation

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. Bg5

D3424 plies

Tarrasch Defense: Classical Variation, Chandler Variation

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. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Rc1 Be6

D3418 plies

Tarrasch Defense: Classical Variation, Classical Tarrasch Gambit

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

D3418 plies

Tarrasch Defense: Classical Variation, Endgame Variation

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. Bg5 Be6

D3422 plies

Tarrasch Defense: Classical Variation, Main Line

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. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8

D3420 plies

Tarrasch Defense: Classical Variation, Petursson Variation

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. Bg5 cxd4 10. Nxd4 Re8

D3419 plies

Tarrasch Defense: Classical Variation, Réti Variation

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 Bxc5 10. Na4

D3422 plies

Tarrasch Defense: Classical Variation, Spassky Variation

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. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4

D3414 plies

Tarrasch Defense: Prague Variation, Main Line

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7

D357 plies

Queen's Gambit Declined: Exchange Variation

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5

D3519 plies

Queen's Gambit Declined: Exchange Variation, Chameleon Variation

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 Re8 9. Nge2 Nf8 10. O-O-O

D359 plies

Queen's Gambit Declined: Exchange Variation, Positional Variation

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5

D3510 plies

Queen's Gambit Declined: Exchange Variation, Positional Variation

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6

D3511 plies

Queen's Gambit Declined: Exchange Variation, Sämisch Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. Bf4

D357 plies

Queen's Gambit Declined: Harrwitz Attack

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4

D356 plies

Queen's Gambit Declined: Normal Defense

1. d4 d5 2. c4 e6 3. Nc3 Nf6

D3611 plies

Queen's Gambit Declined: Exchange Variation, Reshevsky Variation

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2

D378 plies

Queen's Gambit Declined: Barmen Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7

D379 plies

Queen's Gambit Declined: Harrwitz Attack

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4

D3719 plies

Queen's Gambit Declined: Harrwitz Attack

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qa5 10. a3

D3719 plies

Queen's Gambit Declined: Harrwitz Attack

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. a3 Qa5 10. O-O-O

D3712 plies

Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 b6

D3714 plies

Queen's Gambit Declined: Harrwitz Attack, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5

D3712 plies

Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 c6

D3712 plies

Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7

D3713 plies

Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade Line

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5

D3712 plies

Queen's Gambit Declined: Knight Defense, Alekhine Gambit

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 dxc4

D3711 plies

Queen's Gambit Declined: Miles Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. Qc2

D377 plies

Queen's Gambit Declined: Three Knights Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3

D378 plies

Queen's Gambit Declined: Three Knights, Vienna Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4

D379 plies

Queen's Gambit Declined: Vienna Variation, Quiet Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3

D388 plies

Queen's Gambit Declined: Ragozin Defense

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4

D389 plies

Queen's Gambit Declined: Ragozin Defense, Alekhine Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+

D3812 plies

Queen's Gambit Declined: Westphalian Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 c5

D3910 plies

Queen's Gambit Declined: Ragozin Defense, Vienna Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4

D408 plies

Queen's Gambit Declined: Semi-Tarrasch Defense

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5

D4019 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Levenfish Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. dxc5 Bxc5 10. e4

D409 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Pillsbury Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5

D4014 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Symmetrical Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O

D4110 plies

Queen's Gambit Declined: Semi-Tarrasch Defense

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6

D419 plies

Queen's Gambit Declined: Semi-Tarrasch Defense

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5

D4115 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Endgame Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. e4 dxe4 8. Qxd8+

D4111 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4

D4121 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Kmoch Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bb5

D4111 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Pillsbury Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3

D4118 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, San Sebastian Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5

D4213 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3

D4313 plies

Queen's Gambit Declined: Hastings Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3

D438 plies

Semi-Slav Defense

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6

D4311 plies

Semi-Slav Defense: Anti-Moscow Gambit

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4

D4410 plies

Semi-Slav Defense Accepted

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4

D4411 plies

Semi-Slav Defense: Botvinnik Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4

D4417 plies

Semi-Slav Defense: Botvinnik Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5

D4418 plies

Semi-Slav Defense: Botvinnik Variation, Alatortsev System

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5

D4419 plies

Semi-Slav Defense: Botvinnik Variation, Ekstrom Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5

D4421 plies

Semi-Slav Defense: Botvinnik Variation, Lilienthal Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3

D4421 plies

Semi-Slav Defense: Botvinnik Variation, Szabo Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. Qf3

D4510 plies

Semi-Slav Defense: Accelerated Meran Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6

D459 plies

Semi-Slav Defense: Main Line

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3

D4510 plies

Semi-Slav Defense: Normal Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7

D4514 plies

Semi-Slav Defense: Normal Variation

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 Nbd7

D4515 plies

Semi-Slav Defense: Normal Variation

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Be2

D4511 plies

Semi-Slav Defense: Rubinstein System

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Ne5

D4511 plies

Semi-Slav Defense: Stoltz Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2

D4513 plies

Semi-Slav Defense: Stoltz Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3

D4514 plies

Semi-Slav Defense: Stoltz Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7

D4513 plies

Semi-Slav Defense: Stoltz Variation

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3

D4515 plies

Semi-Slav Defense: Stoltz Variation

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2

D4513 plies

Semi-Slav Defense: Stoltz Variation, Center Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4

D4519 plies

Semi-Slav Defense: Stoltz Variation, Center Variation, Mikhalchishin Line

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 e5 10. dxe5

D4513 plies

Semi-Slav Defense: Stoltz Variation, Shabalov Attack

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4

D4512 plies

Semi-Slav Defense: Stonewall Defense

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Ne4 6. Bd3 f5

D4612 plies

Semi-Slav Defense: Bogoljubow Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Be7

D4612 plies

Semi-Slav Defense: Chigorin Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bd6

D4613 plies

Semi-Slav Defense: Chigorin Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bd6 7. Qc2

D4615 plies

Semi-Slav Defense: Chigorin Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Bd3

D4615 plies

Semi-Slav Defense: Chigorin Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3

D4617 plies

Semi-Slav Defense: Chigorin Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 Re8 9. Bd3

D4617 plies

Semi-Slav Defense: Chigorin Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 Qe7 9. Bd3

D4619 plies

Semi-Slav Defense: Chigorin Defense

1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Bd6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. O-O O-O 10. Qc2

D4621 plies

Semi-Slav Defense: Chigorin Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bd6 9. O-O Bb7 10. a3 O-O 11. Qc2

D4611 plies

Semi-Slav Defense: Main Line

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3

D4619 plies

Semi-Slav Defense: Main Line

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3 Be7 9. O-O O-O 10. Bb2

D4612 plies

Semi-Slav Defense: Romih Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bb4

D4714 plies

Semi-Slav Defense: Meran Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5

D4716 plies

Semi-Slav Defense: Meran Variation, Lundin Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4

D4716 plies

Semi-Slav Defense: Meran Variation, Wade Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7

D4725 plies

Semi-Slav Defense: Meran Variation, Wade Variation, Kaidanov Gambit

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 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

D4722 plies

Semi-Slav Defense: Meran Variation, Wade Variation, Larsen Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5

D4713 plies

Semi-Slav Defense: Semi-Meran Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4

D4816 plies

Semi-Slav Defense: Meran Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6

D4818 plies

Semi-Slav Defense: Meran Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5

D4819 plies

Semi-Slav Defense: Meran Variation, Old Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5

D4818 plies

Semi-Slav Defense: Meran Variation, Pirc Variation

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 b4

D4819 plies

Semi-Slav Defense: Meran Variation, Reynolds' Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5

D4921 plies

Semi-Slav Defense: Meran Variation, Blumenfeld Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5

D4922 plies

Semi-Slav Defense: Meran Variation, Rabinovich Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Ng4

D4929 plies

Semi-Slav Defense: Meran Variation, Rellstab Attack

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O Qd5 14. Qe2 Ba6 15. Bg5

D4922 plies

Semi-Slav Defense: Meran Variation, Sozin Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5

D4925 plies

Semi-Slav Defense: Meran Variation, Sozin Variation

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O

D4925 plies

Semi-Slav Defense: Meran Variation, Stahlberg Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. Qf3

D508 plies

Queen's Gambit Declined: Been-Koomen Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5

D507 plies

Queen's Gambit Declined: Modern Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5

D509 plies

Queen's Gambit Declined: Pseudo-Tarrasch Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5

D5010 plies

Queen's Gambit Declined: Pseudo-Tarrasch Variation, Canal Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5 Qb6

D5011 plies

Queen's Gambit Declined: Pseudo-Tarrasch Variation, Primitive Pillsbury Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Qxd4

D5015 plies

Queen's Gambit Declined: Semi-Tarrasch Defense, Krause Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Nxd4 e5 7. Ndb5 a6 8. Qa4

D5111 plies

Queen's Gambit Declined: Alekhine Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e4

D5111 plies

Queen's Gambit Declined: Capablanca Variation, Anti-Cambridge Springs Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. a3

D5110 plies

Queen's Gambit Declined: Manhattan Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Bb4

D518 plies

Queen's Gambit Declined: Modern Variation, Knight Defense

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7

D519 plies

Queen's Gambit Declined: Modern Variation, Knight Defense

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3

D5110 plies

Queen's Gambit Declined: Modern Variation, Knight Defense

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6

D5113 plies

Queen's Gambit Declined: Rochlin Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. Rc1 Qa5 7. Bd2

D5211 plies

Queen's Gambit Declined

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3

D5212 plies

Queen's Gambit Declined: Cambridge Springs Defense

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5

D5213 plies

Queen's Gambit Declined: Cambridge Springs Defense

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5

D5217 plies

Queen's Gambit Declined: Cambridge Springs Defense, Argentine Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Bh4

D5215 plies

Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2

D5213 plies

Queen's Gambit Declined: Cambridge Springs Defense, Capablanca Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6

D5214 plies

Queen's Gambit Declined: Cambridge Springs Defense, Rubinstein Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 dxc4

D5214 plies

Queen's Gambit Declined: Cambridge Springs Defense, Yugoslav Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5

D538 plies

Queen's Gambit Declined

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7

D5310 plies

Queen's Gambit Declined: Lasker Defense

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Ne4

D539 plies

Queen's Gambit Declined: Modern Variation, Heral Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6

D5411 plies

Queen's Gambit Declined: Neo-Orthodox Variation

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1

D5513 plies

Queen's Gambit Declined: Anti-Tartakower Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bxf6

D5521 plies

Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O 8. Rc1 c6 9. Bd3 Nd7 10. O-O dxc4 11. Bxc4

D5511 plies

Queen's Gambit Declined: Modern Variation, Normal Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3

D5512 plies

Queen's Gambit Declined: Neo-Orthodox Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6

D5513 plies

Queen's Gambit Declined: Neo-Orthodox Variation, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3

D5517 plies

Queen's Gambit Declined: Pillsbury Attack

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 d5 5. cxd5 exd5 6. Bg5 Be7 7. e3 O-O 8. Bd3 Bb7 9. Ne5

D5614 plies

Queen's Gambit Declined: Lasker Defense

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4

D5626 plies

Queen's Gambit Declined: Lasker Defense, Russian Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nf6 10. Bd3 dxc4 11. Bxc4 c5 12. O-O Nc6 13. Rfd1 Bd7

D5617 plies

Queen's Gambit Declined: Lasker Defense, Teichmann Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2

D5722 plies

Queen's Gambit Declined: Lasker Defense, Bernstein Variation

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Qd6

D5724 plies

Queen's Gambit Declined: Lasker Defense, Bernstein Variation, Mar del Plata Gambit

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Rd8 12. c4 Be6

D5719 plies

Queen's Gambit Declined: Lasker Defense, Main Line

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3

D5814 plies

Queen's Gambit Declined: Tartakower Defense

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6

D5816 plies

Queen's Gambit Declined: Tartakower Defense, Exchange Variation

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 exd5

D5922 plies

Queen's Gambit Declined: Tartakower Defense

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6

D5916 plies

Queen's Gambit Declined: Tartakower Defense, Makogonov Exchange Variation

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 Nxd5

D6012 plies

Queen's Gambit Declined: Orthodox Defense

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7

D6013 plies

Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Bd3

D6013 plies

Queen's Gambit Declined: Orthodox Defense, Rauzer Variation

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qb3

D6113 plies

Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qc2

D6215 plies

Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qc2 c5 8. cxd5

D6317 plies

Queen's Gambit Declined: Orthodox Defense, Capablanca Variation

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bb5

D6314 plies

Queen's Gambit Declined: Orthodox Defense, Henneberger Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6

D6313 plies

Queen's Gambit Declined: Orthodox Defense, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1

D6314 plies

Queen's Gambit Declined: Orthodox Defense, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6

D6317 plies

Queen's Gambit Declined: Orthodox Defense, Pillsbury Variation

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3

D6315 plies

Queen's Gambit Declined: Orthodox Defense, Swiss, Carlsbad Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6 8. cxd5

D6417 plies

Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. a3 a6 9. Qc2

D6415 plies

Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2

D6416 plies

Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2 a6

D6416 plies

Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2 Ne4

D6517 plies

Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2 a6 9. cxd5

D6615 plies

Queen's Gambit Declined: Orthodox Defense, Bd3 Line

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3

D6618 plies

Queen's Gambit Declined: Orthodox Defense, Fianchetto Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. Nf3 Be7 6. e3 Nbd7 7. Rc1 O-O 8. Bd3 dxc4 9. Bxc4 b5

D6721 plies

Queen's Gambit Declined: Orthodox Defense, Alekhine Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4

D6720 plies

Queen's Gambit Declined: Orthodox Defense, Bd3 Line

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7

D6718 plies

Queen's Gambit Declined: Orthodox Defense, Capablanca System

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5

D6719 plies

Queen's Gambit Declined: Orthodox Defense, Janowski Variation

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. h4

D6721 plies

Queen's Gambit Declined: Orthodox Defense, Main Line

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O

D6824 plies

Queen's Gambit Declined: Orthodox Defense, Classical Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5

D6825 plies

Queen's Gambit Declined: Orthodox Defense, Classical Variation

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qb1

D6825 plies

Queen's Gambit Declined: Orthodox Defense, Classical Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qc2

D6928 plies

Queen's Gambit Declined: Orthodox Defense, Classical Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5

D706 plies

Neo-Grünfeld Defense: Goglidze Attack

1. d4 Nf6 2. c4 g6 3. f3 d5

D706 plies

Neo-Grünfeld Defense: with Nf3

1. d4 Nf6 2. c4 g6 3. Nf3 d5

D706 plies

Neo-Grünfeld Defense: with g3

1. d4 Nf6 2. c4 g6 3. g3 d5

D7110 plies

Neo-Grünfeld Defense: Exchange Variation

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5

D7413 plies

Neo-Grünfeld Defense: Delayed Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O

D7515 plies

Neo-Grünfeld Defense: Delayed Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d5 6. cxd5 Nxd5 7. Bg2 c5 8. O-O

D7515 plies

Neo-Grünfeld Defense: Delayed Exchange Variation

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O c5 8. dxc5

D7614 plies

Neo-Grünfeld Defense: Delayed Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nb6

D7711 plies

Neo-Grünfeld Defense: Classical Variation

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4

D7712 plies

Neo-Grünfeld Defense: Classical Variation, Modern Defense

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4

D7712 plies

Neo-Grünfeld Defense: Classical Variation, Polgar Variation

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 Nc6

D7812 plies

Neo-Grünfeld Defense: Classical Variation, Original Defense

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5

D7914 plies

Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. cxd5 cxd5

D806 plies

Grünfeld Defense

1. d4 Nf6 2. c4 g6 3. Nc3 d5

D807 plies

Grünfeld Defense: Gibbon Gambit

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g4

D8012 plies

Grünfeld Defense: Lundin Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 c5

D807 plies

Grünfeld Defense: Lutikov Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3

D8011 plies

Grünfeld Defense: Lutikov Variation, Murrey Attack

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3 c5 5. cxd5 Nxd5 6. Na4

D807 plies

Grünfeld Defense: Stockholm Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5

D807 plies

Grünfeld Defense: Zaitsev Gambit

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. h4

D817 plies

Grünfeld Defense: Russian Variation, Accelerated Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3

D827 plies

Grünfeld Defense: Brinckmann Attack

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4

D8310 plies

Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O

D8314 plies

Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1 c5 7. dxc5 Be6

D8311 plies

Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Capablanca Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1

D8314 plies

Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Rc1 O-O 6. e3 c5 7. dxc5 Qa5

D8415 plies

Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit Accepted

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7

D858 plies

Grünfeld Defense: Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5

D8513 plies

Grünfeld Defense: Exchange Variation, Modern Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3

D8514 plies

Grünfeld Defense: Exchange Variation, Modern Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5

D8515 plies

Grünfeld Defense: Exchange Variation, Modern Exchange Variation

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1

D8515 plies

Grünfeld Defense: Exchange Variation, Modern Exchange Variation, Kramnik's Line

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. h3

D8520 plies

Grünfeld Defense: Exchange Variation, Modern Exchange Variation, Pawn Grab Line

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 Nc6 10. d5 Bxc3+

D859 plies

Grünfeld Defense: Exchange Variation, Nadanian Attack

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4

D8613 plies

Grünfeld Defense: Exchange Variation, Classical Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4

D8616 plies

Grünfeld Defense: Exchange Variation, Larsen Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Qd7

D8618 plies

Grünfeld Defense: Exchange Variation, Larsen Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Qd7 9. O-O b6

D8616 plies

Grünfeld Defense: Exchange Variation, Simagin's Improved Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6

D8616 plies

Grünfeld Defense: Exchange Variation, Simagin's Lesser Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 b6

D8723 plies

Grünfeld Defense: Exchange Variation, Seville Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O Bg4 11. f3 Na5 12. Bxf7+

D8716 plies

Grünfeld Defense: Exchange Variation, Spassky Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O

D8821 plies

Grünfeld Defense: Exchange Variation, Spassky Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O cxd4 11. cxd4

D8927 plies

Grünfeld Defense: Exchange Variation, Sokolsky Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5

D8926 plies

Grünfeld Defense: Exchange Variation, Spassky Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6

D909 plies

Grünfeld Defense: Flohr Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+

D907 plies

Grünfeld Defense: Three Knights Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3

D908 plies

Grünfeld Defense: Three Knights Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7

D919 plies

Grünfeld Defense: Three Knights Variation, Petrosian System

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5

D929 plies

Grünfeld Defense: Three Knights Variation, Hungarian Attack

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4

D9311 plies

Grünfeld Defense: Three Knights Variation, Hungarian Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3

D9414 plies

Grünfeld Defense: Flohr Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bf5

D9411 plies

Grünfeld Defense: Makogonov Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. b4

D9411 plies

Grünfeld Defense: Opocensky Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2

D9414 plies

Grünfeld Defense: Smyslov Defense

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bg4

D949 plies

Grünfeld Defense: Three Knights Variation, Burille Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3

D9411 plies

Grünfeld Defense: Three Knights Variation, Paris Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3

D9512 plies

Grünfeld Defense: Botvinnik Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6

D9515 plies

Grünfeld Defense: Pachman Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 dxc4 6. Bxc4 O-O 7. Nf3 Nbd7 8. Ng5

D9511 plies

Grünfeld Defense: Three Knights Variation, Vienna Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3

D969 plies

Grünfeld Defense: Russian Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3

D9713 plies

Grünfeld Defense: Russian Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4

D9714 plies

Grünfeld Defense: Russian Variation, Byrne Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6

D9714 plies

Grünfeld Defense: Russian Variation, Hungarian Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6

D9714 plies

Grünfeld Defense: Russian Variation, Levenfish Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 b6

D9714 plies

Grünfeld Defense: Russian Variation, Prins Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Na6

D9714 plies

Grünfeld Defense: Russian Variation, Szabo Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6

D9821 plies

Grünfeld Defense: Russian Variation, Keres Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Be2 Nb6 10. Qd3 Nc6 11. O-O-O

D9814 plies

Grünfeld Defense: Russian Variation, Smyslov Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4

D9917 plies

Grünfeld Defense: Russian Variation, Smyslov Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3

D9918 plies

Grünfeld Defense: Russian Variation, Yugoslav Variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 c5