Encyclopedia

Chess Openings

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

A — Flank Openings

788 openings
A001 plies

Amar Opening

1. Nh3

A005 plies

Amar Opening: Paris Gambit

1. Nh3 d5 2. g3 e5 3. f4

A0011 plies

Amar Opening: Paris Gambit, Gent Gambit

1. Nh3 d5 2. g3 e5 3. f4 Bxh3 4. Bxh3 exf4 5. O-O fxg3 6. hxg3

A008 plies

Amsterdam Attack

1. e3 e5 2. c4 d6 3. Nc3 Nc6 4. b3 Nf6

A001 plies

Anderssen's Opening

1. a3

A003 plies

Anderssen's Opening: Polish Gambit

1. a3 a5 2. b4

A001 plies

Barnes Opening

1. f3

A004 plies

Barnes Opening: Fool's Mate

1. f3 e5 2. g4 Qh4#

A005 plies

Barnes Opening: Gedult Gambit

1. f3 f5 2. e4 fxe4 3. Nc3

A007 plies

Barnes Opening: Gedult Gambit

1. f3 d5 2. e4 g6 3. d4 dxe4 4. c3

A003 plies

Barnes Opening: Hammerschlag

1. f3 e5 2. Kf2

A001 plies

Clemenz Opening

1. h3

A003 plies

Clemenz Opening: Spike Lee Gambit

1. h3 h5 2. g4

A004 plies

Creepy Crawly Formation: Classical Defense

1. h3 d5 2. a3 e5

A0013 plies

Formation: Hippopotamus Attack

1. a3 e5 2. b3 d5 3. c3 Nf6 4. d3 Nc6 5. e3 Bd6 6. f3 O-O 7. g3

A0013 plies

Formation: Shy Attack

1. a3 e5 2. g3 d5 3. Bg2 Nf6 4. d3 Nc6 5. Nd2 Bd6 6. e3 O-O 7. h3

A003 plies

Global Opening

1. h3 e5 2. a3

A001 plies

Grob Opening

1. g4

A002 plies

Grob Opening: Alessi Gambit

1. g4 f5

A002 plies

Grob Opening: Double Grob

1. g4 g5

A003 plies

Grob Opening: Double Grob, Coca-Cola Gambit

1. g4 g5 2. f4

A003 plies

Grob Opening: Grob Gambit

1. g4 d5 2. Bg2

A004 plies

Grob Opening: Grob Gambit Declined

1. g4 d5 2. Bg2 c6

A005 plies

Grob Opening: Grob Gambit, Basman Gambit

1. g4 d5 2. Bg2 h5 3. gxh5

A005 plies

Grob Opening: Grob Gambit, Fritz Gambit

1. g4 d5 2. Bg2 Bxg4 3. c4

A0010 plies

Grob Opening: Grob Gambit, Fritz Gambit, Romford Countergambit

1. g4 d5 2. Bg2 Bxg4 3. c4 d4 4. Bxb7 Nd7 5. Bxa8 Qxa8

A007 plies

Grob Opening: Grob Gambit, Keres Gambit

1. g4 d5 2. Bg2 e5 3. d4 exd4 4. c3

A007 plies

Grob Opening: Grob Gambit, Richter-Grob Gambit

1. g4 d5 2. Bg2 c6 3. c4 dxc4 4. b3

A006 plies

Grob Opening: Keene Defense

1. g4 d5 2. h3 e5 3. Bg2 c6

A0012 plies

Grob Opening: Keene Defense, Main Line

1. g4 d5 2. h3 e5 3. Bg2 c6 4. d4 e4 5. c4 Bd6 6. Nc3 Ne7

A004 plies

Grob Opening: London Defense

1. g4 e5 2. h3 Nc6

A006 plies

Grob Opening: Romford Countergambit

1. g4 d5 2. Bg2 Bxg4 3. c4 d4

A005 plies

Grob Opening: Spike Attack

1. g4 d5 2. Bg2 c6 3. g5

A005 plies

Grob Opening: Spike, Hurst Attack

1. g4 e5 2. Bg2 d5 3. c4

A005 plies

Grob Opening: Zilbermints Gambit

1. g4 d5 2. e4 dxe4 3. Nc3

A006 plies

Grob Opening: Zilbermints Gambit, Schiller Defense

1. g4 d5 2. e4 dxe4 3. Nc3 h5

A007 plies

Grob Opening: Zilbermints Gambit, Zilbermints-Hartlaub Gambit

1. g4 d5 2. e4 dxe4 3. Nc3 e5 4. d3

A001 plies

Hungarian Opening

1. g3

A0010 plies

Hungarian Opening: Asten Gambit

1. g3 Nc6 2. Nc3 d5 3. d4 e5 4. dxe5 d4 5. Ne4 f5

A009 plies

Hungarian Opening: Burk Gambit

1. g3 e5 2. a3 d5 3. Nf3 e4 4. Nh4 Be7 5. d3

A005 plies

Hungarian Opening: Bücker Gambit

1. g3 d5 2. Bg2 e5 3. b4

A004 plies

Hungarian Opening: Catalan Formation

1. g3 d5 2. Bg2 e6

A002 plies

Hungarian Opening: Dutch Defense

1. g3 f5

A002 plies

Hungarian Opening: Indian Defense

1. g3 Nf6

A002 plies

Hungarian Opening: Myers Defense

1. g3 g5

A006 plies

Hungarian Opening: Pachman Gambit

1. g3 f5 2. e4 fxe4 3. Qh5+ g6

A009 plies

Hungarian Opening: Paris Gambit

1. g3 e5 2. Nh3 d5 3. f4 Bxh3 4. Bxh3 exf4 5. O-O

A003 plies

Hungarian Opening: Reversed Alekhine

1. g3 e5 2. Nf3

A007 plies

Hungarian Opening: Reversed Brooklyn Defense, Brooklyn Benko Gambit

1. g3 e5 2. Nf3 e4 3. Ng1 Nf6 4. b4

A004 plies

Hungarian Opening: Reversed Modern Defense

1. g3 d5 2. Bg2 c5

A005 plies

Hungarian Opening: Reversed Norwegian Defense

1. g3 e5 2. Nf3 e4 3. Nh4

A002 plies

Hungarian Opening: Sicilian Invitation

1. g3 c5

A004 plies

Hungarian Opening: Slav Formation

1. g3 d5 2. Bg2 c6

A002 plies

Hungarian Opening: Symmetrical Variation

1. g3 g6

A004 plies

Hungarian Opening: Van Kuijk Gambit

1. g3 h5 2. Nf3 h4

A007 plies

Hungarian Opening: Winterberg Gambit

1. g3 d5 2. Bg2 e5 3. c4 dxc4 4. b3

A001 plies

Kádas Opening

1. h4

A003 plies

Kádas Opening: Beginner's Trap

1. h4 d5 2. Rh3

A002 plies

Kádas Opening: Koola-Koola Variation

1. h4 a5

A005 plies

Kádas Opening: Kádas Gambit

1. h4 e5 2. d4 exd4 3. c3

A007 plies

Kádas Opening: Kádas Gambit

1. h4 d5 2. d4 c5 3. Nf3 cxd4 4. c3

A003 plies

Kádas Opening: Kádas Gambit

1. h4 c5 2. b4

A005 plies

Kádas Opening: Myers Variation

1. h4 d5 2. d4 c5 3. e4

A002 plies

Kádas Opening: Schneider Gambit

1. h4 g5

A005 plies

Kádas Opening: Steinbok Gambit

1. h4 f5 2. e4 fxe4 3. d3

A002 plies

Lasker Simul Special

1. g3 h5

A001 plies

Mieses Opening

1. d3

A003 plies

Mieses Opening: Myers Spike Attack

1. d3 g6 2. g4

A002 plies

Mieses Opening: Reversed Rat

1. d3 e5

A005 plies

Mieses Opening: Venezolana Variation

1. d3 c5 2. Nc3 Nc6 3. g3

A001 plies

Polish Opening

1. b4

A002 plies

Polish Opening, with d5

1. b4 d5

A005 plies

Polish Opening, with d5

1. b4 d5 2. Bb2 Nf6 3. Nf3

A004 plies

Polish Opening: Baltic Defense

1. b4 d5 2. Bb2 Bf5

A002 plies

Polish Opening: Birmingham Gambit

1. b4 c5

A005 plies

Polish Opening: Bugayev Advance Variation

1. b4 e5 2. Bb2 f6 3. b5

A003 plies

Polish Opening: Bugayev Attack

1. b4 e5 2. a3

A004 plies

Polish Opening: Czech Defense

1. b4 e5 2. Bb2 d6

A002 plies

Polish Opening: Dutch Defense

1. b4 f5

A004 plies

Polish Opening: German Defense

1. b4 d5 2. Bb2 Qd6

A002 plies

Polish Opening: Grigorian Variation

1. b4 Nc6

A002 plies

Polish Opening: Karniewski Variation

1. b4 Nh6

A004 plies

Polish Opening: King's Indian Variation

1. b4 Nf6 2. Bb2 g6

A005 plies

Polish Opening: King's Indian Variation, Schiffler Attack

1. b4 Nf6 2. Bb2 g6 3. e4

A0011 plies

Polish Opening: King's Indian Variation, Sokolsky Attack

1. b4 Nf6 2. Bb2 g6 3. c4 Bg7 4. e3 d6 5. Nf3 O-O 6. d4

A005 plies

Polish Opening: Myers Variation

1. b4 d5 2. Bb2 c6 3. a4

A002 plies

Polish Opening: Outflank Variation

1. b4 c6

A006 plies

Polish Opening: Queen's Indian Variation

1. b4 e6 2. Bb2 Nf6 3. b5 b6

A006 plies

Polish Opening: Queenside Defense

1. b4 e6 2. Bb2 Nf6 3. b5 a6

A0011 plies

Polish Opening: Rooks Swap Line

1. b4 e6 2. Bb2 Nf6 3. b5 a6 4. a4 axb5 5. axb5 Rxa1 6. Bxa1

A007 plies

Polish Opening: Schiffler-Sokolsky Variation

1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3

A007 plies

Polish Opening: Schuehler Gambit

1. b4 c6 2. Bb2 a5 3. b5 cxb5 4. e4

A002 plies

Polish Opening: Symmetrical Variation

1. b4 b5

A005 plies

Polish Opening: Tartakower Gambit

1. b4 e5 2. Bb2 f6 3. e4

A004 plies

Polish Opening: Wolferts Gambit

1. b4 e5 2. Bb2 c5

A001 plies

Saragossa Opening

1. c3

A001 plies

Sodium Attack

1. Na3

A009 plies

Sodium Attack: Celadon Variation

1. Na3 e5 2. d3 Bxa3 3. bxa3 d5 4. e3 c5 5. Rb1

A003 plies

Sodium Attack: Chenoboskion Variation

1. Na3 g6 2. g4

A006 plies

Sodium Attack: Durkin Gambit

1. Na3 e5 2. Nc4 Nc6 3. e4 f5

A003 plies

Valencia Opening

1. d3 e5 2. Nd2

A001 plies

Van Geet Opening

1. Nc3

A003 plies

Van Geet Opening: Battambang Variation

1. a3 e5 2. Nc3

A004 plies

Van Geet Opening: Billockus-Johansen Gambit

1. Nc3 e5 2. Nf3 Bc5

A004 plies

Van Geet Opening: Damhaug Gambit

1. Nc3 d5 2. f4 e5

A005 plies

Van Geet Opening: Dougherty Gambit

1. Nc3 d5 2. e4 dxe4 3. f3

A005 plies

Van Geet Opening: Dunst-Perrenet Gambit

1. Nc3 d5 2. e4 dxe4 3. d3

A003 plies

Van Geet Opening: Düsseldorf Gambit

1. Nc3 c5 2. b4

A007 plies

Van Geet Opening: Gladbacher Gambit

1. Nc3 e5 2. b3 d5 3. e4 dxe4 4. d3

A005 plies

Van Geet Opening: Hector Gambit

1. Nc3 d5 2. e4 dxe4 3. Bc4

A006 plies

Van Geet Opening: Hergert Gambit

1. Nc3 d6 2. f4 e5 3. fxe5 Nc6

A006 plies

Van Geet Opening: Hulsemann Gambit

1. Nc3 e5 2. e3 d5 3. Qh5 Be6

A0011 plies

Van Geet Opening: Jendrossek Gambit

1. Nc3 d5 2. f4 d4 3. Ne4 f5 4. Nf2 Nf6 5. Nf3 c5 6. b4

A005 plies

Van Geet Opening: Kluever Gambit

1. Nc3 f5 2. e4 fxe4 3. d3

A002 plies

Van Geet Opening: Laroche Gambit

1. Nc3 b5

A006 plies

Van Geet Opening: Liebig Gambit

1. Nc3 e5 2. e3 d5 3. Qh5 Nf6

A006 plies

Van Geet Opening: Melleby Gambit

1. Nc3 d5 2. f4 d4 3. Ne4 c5

A003 plies

Van Geet Opening: Myers Attack

1. Nc3 g6 2. h4

A005 plies

Van Geet Opening: Napoleon Attack

1. Nc3 e5 2. Nf3 Nc6 3. d4

A007 plies

Van Geet Opening: Novosibirsk Variation

1. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh4

A005 plies

Van Geet Opening: Nowokunski Gambit

1. Nc3 e5 2. f4 exf4 3. e4

A006 plies

Van Geet Opening: Pfeiffer Gambit

1. Nc3 d5 2. f4 d4 3. Ne4 e5

A007 plies

Van Geet Opening: Pfeiffer Gambit, Sleipnir Countergambit

1. Nc3 d5 2. f4 d4 3. Ne4 e5 4. Nf3

A002 plies

Van Geet Opening: Reversed Nimzowitsch

1. Nc3 e5

A007 plies

Van Geet Opening: Reversed Scandinavian

1. Nc3 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qa4

A007 plies

Van Geet Opening: Sicilian Two Knights

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4

A006 plies

Van Geet Opening: Sleipnir Gambit

1. Nc3 d5 2. e3 e5 3. d4 Bb4

A003 plies

Van Geet Opening: Twyble Attack

1. Nc3 c5 2. Rb1

A003 plies

Van Geet Opening: Tübingen Gambit

1. Nc3 Nf6 2. g4

A005 plies

Van Geet Opening: Venezolana Variation

1. Nc3 d5 2. d3 Nf6 3. g3

A004 plies

Van Geet Opening: Warsteiner Gambit

1. Nc3 d5 2. f4 g5

A001 plies

Van't Kruijs Opening

1. e3

A005 plies

Van't Kruijs Opening: Bouncing Bishop Variation

1. e3 e5 2. Bc4 b5 3. Bb3

A007 plies

Van't Kruijs Opening: Keoni-Hiva Gambit, Akahi Variation

1. e3 e5 2. Nc3 Nf6 3. f4 exf4 4. Nf3

A007 plies

Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation

1. e3 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3

A007 plies

Van't Kruijs Opening: Keoni-Hiva Gambit, Ekolu Variation

1. e3 e5 2. Nc3 d5 3. f4 exf4 4. Nf3

A001 plies

Ware Opening

1. a4

A006 plies

Ware Opening: Cologne Gambit

1. a4 b6 2. d4 d5 3. Nc3 Nd7

A003 plies

Ware Opening: Crab Variation

1. a4 e5 2. h4

A003 plies

Ware Opening: Meadow Hay Trap

1. a4 e5 2. Ra3

A002 plies

Ware Opening: Symmetric Variation

1. a4 a5

A007 plies

Ware Opening: Ware Gambit

1. a4 e5 2. a5 d5 3. e3 f5 4. a6

A004 plies

Ware Opening: Wing Gambit

1. a4 b5 2. axb5 Bb7

A011 plies

Nimzo-Larsen Attack

1. b3

A012 plies

Nimzo-Larsen Attack: Classical Variation

1. b3 d5

A012 plies

Nimzo-Larsen Attack: Dutch Variation

1. b3 f5

A012 plies

Nimzo-Larsen Attack: English Variation

1. b3 c5

A013 plies

Nimzo-Larsen Attack: Graz Attack

1. b3 d5 2. Ba3

A012 plies

Nimzo-Larsen Attack: Indian Variation

1. b3 Nf6

A012 plies

Nimzo-Larsen Attack: Modern Variation

1. b3 e5

A014 plies

Nimzo-Larsen Attack: Modern Variation

1. b3 e5 2. Bb2 Nc6

A015 plies

Nimzo-Larsen Attack: Modern Variation

1. b3 e5 2. Bb2 Nc6 3. e3

A016 plies

Nimzo-Larsen Attack: Modern Variation

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6

A015 plies

Nimzo-Larsen Attack: Pachman Gambit

1. b3 e5 2. Bb2 Nc6 3. f4

A012 plies

Nimzo-Larsen Attack: Polish Variation

1. b3 b5

A015 plies

Nimzo-Larsen Attack: Ringelbach Gambit

1. b3 f5 2. Bb2 e6 3. e4

A015 plies

Nimzo-Larsen Attack: Spike Variation

1. b3 Nf6 2. Bb2 g6 3. g4

A012 plies

Nimzo-Larsen Attack: Symmetrical Variation

1. b3 b6

A021 plies

Bird Opening

1. f4

A025 plies

Bird Opening: Batavo-Polish Attack

1. f4 Nf6 2. Nf3 g6 3. b4

A024 plies

Bird Opening: Double Duck Formation

1. f4 f5 2. d4 d5

A022 plies

Bird Opening: From's Gambit

1. f4 e5

A023 plies

Bird Opening: From's Gambit, Bahr Gambit

1. f4 e5 2. Nc3

A026 plies

Bird Opening: From's Gambit, Langheld Gambit

1. f4 e5 2. fxe5 d6 3. exd6 Nf6

A028 plies

Bird Opening: From's Gambit, Lasker Variation

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5

A029 plies

Bird Opening: From's Gambit, Lipke Variation

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nh6 5. d4

A022 plies

Bird Opening: Hobbs Gambit

1. f4 g5

A024 plies

Bird Opening: Hobbs-Zilbermints Gambit

1. f4 h6 2. Nf3 g5

A022 plies

Bird Opening: Horsefly Defense

1. f4 Nh6

A024 plies

Bird Opening: Lasker Gambit

1. f4 e5 2. fxe5 f6

A023 plies

Bird Opening: Mujannah

1. f4 Nf6 2. c4

A022 plies

Bird Opening: Myers Defense

1. f4 b5

A024 plies

Bird Opening: Platz Gambit

1. f4 e5 2. fxe5 Ne7

A024 plies

Bird Opening: Schlechter Gambit

1. f4 e5 2. fxe5 Nc6

A027 plies

Bird Opening: Siegener Gambit

1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3

A027 plies

Bird Opening: Swiss Gambit

1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4

A023 plies

Bird Opening: Wagner-Zwitersch Gambit

1. f4 f5 2. e4

A032 plies

Bird Opening: Dutch Variation

1. f4 d5

A033 plies

Bird Opening: Dutch Variation, Dudweiler Gambit

1. f4 d5 2. g4

A036 plies

Bird Opening: Lasker Variation

1. f4 d5 2. Nf3 Nf6 3. e3 c5

A033 plies

Bird Opening: Sturm Gambit

1. f4 d5 2. c4

A039 plies

Bird Opening: Thomas Gambit

1. f4 d5 2. b3 Nf6 3. Bb2 d4 4. Nf3 c5 5. e3

A033 plies

Bird Opening: Williams Gambit

1. f4 d5 2. e4

A037 plies

Bird Opening: Williams Gambit

1. f4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Qe2

A037 plies

Bird Opening: Williams-Zilbermints Gambit

1. f4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Nge2

A048 plies

Colle System: Rhamphorhynchus Variation

1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. dxc5 Qa5+

A048 plies

Modern Defense: Semi-Averbakh Variation, Polish Variation

1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qb6

A048 plies

Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation

1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qa5+

A0410 plies

Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted

1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. c4 c5 5. dxc5 Qa5+

A044 plies

Zukertort Defense: Kingside Variation

1. Nf3 Nh6 2. d4 g6

A044 plies

Zukertort Defense: Sicilian Knight Variation

1. Nf3 Na6 2. e4 c5

A041 plies

Zukertort Opening

1. Nf3

A042 plies

Zukertort Opening: Arctic Defense

1. Nf3 f6

A046 plies

Zukertort Opening: Arctic Defense, Drunken Knight Variation

1. Nf3 f6 2. e4 Nh6 3. d4 Nf7

A042 plies

Zukertort Opening: Basman Defense

1. Nf3 h6

A042 plies

Zukertort Opening: Black Mustang Defense

1. Nf3 Nc6

A044 plies

Zukertort Opening: Drunken Cavalry Variation

1. Nf3 Na6 2. e4 Nh6

A042 plies

Zukertort Opening: Dutch Variation

1. Nf3 f5

A042 plies

Zukertort Opening: Herrstrom Gambit

1. Nf3 g5

A042 plies

Zukertort Opening: Kingside Fianchetto

1. Nf3 g6

A043 plies

Zukertort Opening: Lisitsyn Gambit

1. Nf3 f5 2. e4

A045 plies

Zukertort Opening: Lisitsyn Gambit Deferred

1. Nf3 f5 2. d3 Nf6 3. e4

A042 plies

Zukertort Opening: Pirc Invitation

1. Nf3 d6

A042 plies

Zukertort Opening: Polish Defense

1. Nf3 b5

A042 plies

Zukertort Opening: Queen's Gambit Invitation

1. Nf3 e6

A042 plies

Zukertort Opening: Queenside Fianchetto Variation

1. Nf3 b6

A042 plies

Zukertort Opening: Ross Gambit

1. Nf3 e5

A048 plies

Zukertort Opening: Shabalov Gambit

1. Nf3 e6 2. c4 a6 3. Nc3 c5 4. g3 b5

A042 plies

Zukertort Opening: Sicilian Invitation

1. Nf3 c5

A042 plies

Zukertort Opening: Slav Invitation

1. Nf3 c6

A045 plies

Zukertort Opening: Speelsmet Gambit

1. Nf3 c5 2. d4 cxd4 3. e3

A042 plies

Zukertort Opening: St. George Defense

1. Nf3 a6

A046 plies

Zukertort Opening: The Walrus

1. Nf3 e5 2. Nxe5 Nc6 3. Nxc6 dxc6

A044 plies

Zukertort Opening: Vos Gambit

1. Nf3 d6 2. d4 e5

A044 plies

Zukertort Opening: Wade Defense

1. Nf3 d6 2. e4 Bg4

A042 plies

Zukertort Opening: Ware Defense

1. Nf3 a5

A054 plies

King's Indian Attack

1. Nf3 Nf6 2. g3 d5

A055 plies

King's Indian Attack: Smyslov Variation

1. Nf3 Nf6 2. g3 g6 3. b4

A054 plies

King's Indian Attack: Spassky Variation

1. Nf3 Nf6 2. g3 b5

A054 plies

King's Indian Attack: Symmetrical Defense

1. Nf3 Nf6 2. g3 g6

A0510 plies

King's Indian Attack: Wahls Defense

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5

A055 plies

Polish Opening: Zukertort System

1. Nf3 Nf6 2. b4 g6 3. Bb2

A052 plies

Zukertort Opening

1. Nf3 Nf6

A054 plies

Zukertort Opening

1. Nf3 Nf6 2. Nc3 Nc6

A0511 plies

Zukertort Opening: Double Fianchetto Attack

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O

A053 plies

Zukertort Opening: Lemberger Gambit

1. Nf3 Nf6 2. e4

A055 plies

Zukertort Opening: Myers Polish Attack

1. Nf3 Nf6 2. a4 g6 3. b4

A053 plies

Zukertort Opening: Nimzo-Larsen Variation

1. Nf3 Nf6 2. b3

A053 plies

Zukertort Opening: Quiet System

1. Nf3 Nf6 2. e3

A063 plies

Nimzo-Larsen Attack: Classical Variation

1. Nf3 d5 2. b3

A065 plies

Nimzo-Larsen Attack: Norfolk Gambit

1. Nf3 d5 2. b3 c5 3. e4

A067 plies

Nimzo-Larsen Attack: Norfolk Gambit

1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e4

A062 plies

Zukertort Opening

1. Nf3 d5

A063 plies

Zukertort Opening: Ampel Variation

1. Nf3 d5 2. Rg1

A063 plies

Zukertort Opening: Old Indian Attack

1. Nf3 d5 2. d3

A067 plies

Zukertort Opening: Pachman Gambit

1. Nf3 d5 2. e3 c5 3. c4 dxc4 4. b3

A067 plies

Zukertort Opening: Regina-Nu Gambit

1. Nf3 d5 2. b3 c5 3. c4 dxc4 4. Nc3

A063 plies

Zukertort Opening: Reversed Mexican Defense

1. Nf3 d5 2. Nc3

A063 plies

Zukertort Opening: Santasiere's Folly

1. b4 d5 2. Nf3

A063 plies

Zukertort Opening: Tennison Gambit

1. e4 d5 2. Nf3

A0610 plies

Zukertort Opening: Tennison Gambit, Brigg's Trap

1. e4 d5 2. Nf3 dxe4 3. Ng5 Nf6 4. Nc3 Bf5 5. Qe2 Qd4

A063 plies

Zukertort Opening: The Potato

1. Nf3 d5 2. a4

A074 plies

Hungarian Opening: Wiedenhagen-Beta Gambit

1. g3 d5 2. Nf3 g5

A073 plies

King's Indian Attack

1. Nf3 d5 2. g3

A078 plies

King's Indian Attack, with Bf5

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5

A0710 plies

King's Indian Attack, with Bf5

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6

A0712 plies

King's Indian Attack, with Bf5

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 dxc4

A0711 plies

King's Indian Attack, with Bf5

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 e6 6. Nbd2

A0711 plies

King's Indian Attack, with Bf5

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 e6 6. Nh4

A076 plies

King's Indian Attack, with e6

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6

A078 plies

King's Indian Attack, with e6

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7

A074 plies

King's Indian Attack: Double Fianchetto

1. Nf3 d5 2. g3 g6

A074 plies

King's Indian Attack: Keres Variation

1. Nf3 d5 2. g3 Bg4

A076 plies

King's Indian Attack: Keres Variation

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7

A078 plies

King's Indian Attack: Keres Variation

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7

A074 plies

King's Indian Attack: Omega-Delta Gambit

1. Nf3 d5 2. g3 e5

A0710 plies

King's Indian Attack: Pachman System

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7

A074 plies

King's Indian Attack: Sicilian Variation

1. Nf3 d5 2. g3 c5

A078 plies

King's Indian Attack: Yugoslav Variation

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4

A086 plies

King's Indian Attack: French Variation

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6

A0815 plies

King's Indian Attack: Sicilian Variation

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. O-O O-O 8. Re1

A085 plies

King's Indian Attack: Sicilian Variation

1. Nf3 d5 2. g3 c5 3. Bg2

A089 plies

King's Indian Attack: Sicilian Variation

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d3

A087 plies

Zukertort Opening: Reversed Grünfeld

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4

A088 plies

Zukertort Opening: Reversed Grünfeld

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6

A089 plies

Zukertort Opening: Reversed Grünfeld

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O

A089 plies

Zukertort Opening: Reversed Grünfeld

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O

A093 plies

Réti Opening

1. Nf3 d5 2. c4

A094 plies

Réti Opening: Advance Variation

1. Nf3 d5 2. c4 d4

A096 plies

Réti Opening: Advance Variation, Michel Gambit

1. Nf3 d5 2. c4 d4 3. b4 c5

A096 plies

Réti Opening: Advance Variation, Navara Gambit

1. Nf3 d5 2. c4 d4 3. b4 g5

A095 plies

Réti Opening: Penguin Variation

1. Nf3 d5 2. c4 d4 3. Rg1

A097 plies

Réti Opening: Reversed Blumenfeld Gambit

1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4

A094 plies

Réti Opening: Réti Accepted

1. Nf3 d5 2. c4 dxc4

A096 plies

Réti Opening: Réti Gambit, Keres Variation

1. Nf3 d5 2. c4 dxc4 3. e3 Be6

A094 plies

Réti Opening: Zilbermints Gambit

1. Nf3 d5 2. c4 b5

A101 plies

English Opening

1. c4

A103 plies

English Opening: Achilles-Omega Gambit

1. c4 Nf6 2. e4

A104 plies

English Opening: Adorjan Defense

1. c4 g6 2. e4 e5

A102 plies

English Opening: Anglo-Dutch Defense

1. c4 f5

A103 plies

English Opening: Anglo-Dutch Defense, Hickmann Gambit

1. c4 f5 2. e4

A105 plies

English Opening: Anglo-Dutch Variation, Chabanon Gambit

1. c4 f5 2. Nf3 d6 3. e4

A105 plies

English Opening: Anglo-Dutch Variation, Ferenc Gambit

1. c4 f5 2. Nc3 Nf6 3. e4

A102 plies

English Opening: Anglo-Lithuanian Variation

1. c4 Nc6

A102 plies

English Opening: Anglo-Scandinavian Defense

1. c4 d5

A104 plies

English Opening: Anglo-Scandinavian Defense, Löhn Gambit

1. c4 d5 2. cxd5 e6

A106 plies

English Opening: Anglo-Scandinavian Defense, Malvinas Variation

1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa5

A104 plies

English Opening: Anglo-Scandinavian Defense, Schulz Gambit

1. c4 d5 2. cxd5 Nf6

A102 plies

English Opening: Great Snake Variation

1. c4 g6

A102 plies

English Opening: Jaenisch Gambit

1. c4 b5

A1016 plies

English Opening: King's English Variation, Botvinnik System, Prickly Pawn Pass System

1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. e4 d6 6. Nge2 e5 7. O-O c6 8. d3 a6

A102 plies

English Opening: Myers Defense

1. c4 g5

A104 plies

English Opening: Myers Gambit

1. c4 g5 2. d4 Bg7

A107 plies

English Opening: Porcupine Variation

1. c4 f5 2. Nc3 Nf6 3. e4 fxe4 4. g4

A103 plies

English Opening: Wade Gambit

1. c4 f5 2. g4

A104 plies

English Opening: Zilbermints Gambit

1. c4 g5 2. d4 e5

A112 plies

English Opening: Caro-Kann Defensive System

1. c4 c6

A115 plies

Réti Opening: Anglo-Slav Variation, Gurevich System

1. c4 c6 2. Nf3 d5 3. e3

A117 plies

Réti Opening: Anglo-Slav Variation, Gurevich System

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Qc2

A119 plies

Réti Opening: Anglo-Slav Variation, Gurevich System

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

A1110 plies

Réti Opening: Anglo-Slav Variation, Gurevich System

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. b3 e5

A1110 plies

Réti Opening: Anglo-Slav Variation, Gurevich System

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Bd6

A118 plies

Réti Opening: Anglo-Slav Variation, with g3

1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. b3 g6

A117 plies

Réti Opening: Anglo-Slav Variation, with g3

1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2

A118 plies

Réti Opening: Anglo-Slav Variation, with g3

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

A118 plies

Réti Opening: Anglo-Slav Variation, with g3

1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf5

A1111 plies

Réti Opening: Anglo-Slav Variation, with g3

1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf5 5. O-O e6 6. d3

A1112 plies

Réti Opening: Anglo-Slav Variation, with g3

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e6

A127 plies

Réti Opening: Anglo-Slav Variation

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3

A128 plies

Réti Opening: Anglo-Slav Variation, Bled Variation

1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6

A125 plies

Réti Opening: Anglo-Slav Variation, Bogoljubow Variation

1. Nf3 d5 2. c4 c6 3. b3

A126 plies

Réti Opening: Anglo-Slav Variation, Bogoljubow Variation

1. Nf3 d5 2. c4 c6 3. b3 Bg4

A126 plies

Réti Opening: Anglo-Slav Variation, Bogoljubow Variation

1. Nf3 d5 2. c4 c6 3. b3 Bf5

A127 plies

Réti Opening: Anglo-Slav Variation, Bogoljubow Variation

1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2

A128 plies

Réti Opening: Anglo-Slav Variation, Capablanca Variation

1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bg4

A128 plies

Réti Opening: Anglo-Slav Variation, London Defensive System

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5

A128 plies

Réti Opening: Anglo-Slav Variation, New York System

1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5

A128 plies

Réti Opening: Anglo-Slav Variation, Torre System

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4

A128 plies

Réti Opening: Anglo-Slav Variation, with dxc4

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 dxc4

A132 plies

English Opening: Agincourt Defense

1. c4 e6

A133 plies

English Opening: Agincourt Defense

1. c4 e6 2. Nf3

A134 plies

English Opening: Agincourt Defense

1. c4 e6 2. Nf3 d5

A138 plies

English Opening: Agincourt Defense, Bogoljubow Defense

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bd6

A139 plies

English Opening: Agincourt Defense, Catalan Defense

1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O

A136 plies

English Opening: Agincourt Defense, Catalan Defense

1. c4 e6 2. Nf3 d5 3. g3 c5

A138 plies

English Opening: Agincourt Defense, Catalan Defense Accepted

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4

A138 plies

English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 c6

A136 plies

English Opening: Agincourt Defense, Kurajica Defense

1. c4 e6 2. Nf3 d5 3. g3 c6

A1312 plies

English Opening: Agincourt Defense, Tarrasch Defense

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c5 5. b3 Nc6 6. O-O Be7

A139 plies

English Opening: Agincourt Defense, Wimpy System

1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 c5 5. e3

A136 plies

English Opening: Neo-Catalan

1. c4 e6 2. Nf3 d5 3. g3 Nf6

A138 plies

English Opening: Neo-Catalan Declined

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7

A138 plies

English Opening: Romanishin Gambit

1. c4 Nf6 2. Nf3 e6 3. g3 a6 4. Bg2 b5

A1414 plies

English Opening: Agincourt Defense, Keres Defense

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6

A149 plies

English Opening: Agincourt Defense, Neo-Catalan Declined

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O

A1411 plies

English Opening: Agincourt Defense, Neo-Catalan Declined

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3

A1412 plies

English Opening: Agincourt Defense, Neo-Catalan Declined

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5

A1413 plies

English Opening: Agincourt Defense, Neo-Catalan Declined

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3

A1414 plies

English Opening: Agincourt Defense, Neo-Catalan Declined

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3 d4

A1414 plies

English Opening: Agincourt Defense, Neo-Catalan Declined

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3 Nc6

A149 plies

English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3

A1410 plies

English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 b6

A1410 plies

English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 c5

A1411 plies

Réti Opening: Anglo-Slav Variation

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 e6 5. b3 Be7 6. Bb2

A1413 plies

Réti Opening: Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2

A152 plies

English Opening: Anglo-Indian Defense

1. c4 Nf6

A157 plies

English Opening: Anglo-Indian Defense, Anti-Anti-Grünfeld

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e4

A156 plies

English Opening: Anglo-Indian Defense, Grünfeld Formation

1. c4 Nf6 2. Nf3 g6 3. g3 d5

A154 plies

English Opening: Anglo-Indian Defense, King's Indian Formation

1. c4 Nf6 2. Nf3 g6

A158 plies

English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto

1. c4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7

A153 plies

English Opening: Anglo-Indian Defense, King's Knight Variation

1. c4 Nf6 2. Nf3

A154 plies

English Opening: Anglo-Indian Defense, Old Indian Formation

1. c4 Nf6 2. Nf3 d6

A154 plies

English Opening: Anglo-Indian Defense, Queen's Indian Formation

1. c4 Nf6 2. Nf3 b6

A158 plies

English Opening: Anglo-Indian Defense, Queen's Indian Formation

1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7

A156 plies

English Opening: Anglo-Indian Defense, Romanishin Variation

1. c4 e6 2. Nf3 Nf6 3. g3 a6

A154 plies

English Opening: Anglo-Indian Defense, Scandinavian Defense

1. c4 Nf6 2. Nf3 d5

A156 plies

English Opening: Anglo-Indian Defense, Scandinavian Defense, Exchange Variation

1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd5

A156 plies

English Opening: Anglo-Indian Defense, Slav Formation

1. c4 Nf6 2. Nf3 g6 3. g3 c6

A153 plies

English Orangutan

1. c4 Nf6 2. b4

A155 plies

English Orangutan

1. c4 Nf6 2. Nf3 g6 3. b4

A164 plies

English Opening: Anglo-Grünfeld Defense

1. c4 Nf6 2. Nc3 d5

A1612 plies

English Opening: Anglo-Grünfeld Defense, Korchnoi Variation

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5

A167 plies

English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3

A168 plies

English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6

A1610 plies

English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6

A1610 plies

English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3

A163 plies

English Opening: Anglo-Indian Defense, Queen's Knight Variation

1. c4 Nf6 2. Nc3

A1710 plies

English Opening: Anglo-Indian Defense

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

A174 plies

English Opening: Anglo-Indian Defense, Hedgehog System

1. c4 Nf6 2. Nc3 e6

A176 plies

English Opening: Anglo-Indian Defense, Nimzo-English

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4

A176 plies

English Opening: Anglo-Indian Defense, Queen's Indian Formation

1. c4 e6 2. Nc3 Nf6 3. Nf3 b6

A179 plies

English Opening: Anglo-Indian Defense, Queen's Indian Variation

1. c4 e6 2. Nc3 Nf6 3. Nf3 b6 4. e4 Bb7 5. Bd3

A177 plies

English Opening: Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack

1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. g4

A185 plies

English Opening: Mikenas-Carls Variation

1. c4 e6 2. Nc3 Nf6 3. e4

A186 plies

English Opening: Mikenas-Carls Variation

1. c4 e6 2. Nc3 Nf6 3. e4 Nc6

A187 plies

English Opening: Mikenas-Carls Variation

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5

A198 plies

English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit

1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8

A196 plies

English Opening: Mikenas-Carls, Sicilian

1. c4 e6 2. Nc3 Nf6 3. e4 c5

A204 plies

English Opening: Drill Variation

1. c4 e5 2. g3 h5

A202 plies

English Opening: King's English Variation

1. c4 e5

A207 plies

English Opening: King's English Variation, Kahiko-Hula Gambit

1. c4 e5 2. e3 Nf6 3. f4 exf4 4. Nf3

A203 plies

English Opening: King's English Variation, Nimzowitsch Variation

1. c4 e5 2. Nf3

A204 plies

English Opening: King's English Variation, Nimzowitsch-Flohr Variation

1. c4 e5 2. Nf3 e4

A215 plies

English Opening: King's English Variation

1. c4 e5 2. Nc3 d6 3. Nf3

A216 plies

English Opening: King's English Variation, Keres Defense

1. c4 e5 2. Nc3 d6 3. g3 c6

A214 plies

English Opening: King's English Variation, Kramnik-Shirov Counterattack

1. c4 e5 2. Nc3 Bb4

A213 plies

English Opening: King's English Variation, Reversed Sicilian

1. c4 e5 2. Nc3

A216 plies

English Opening: King's English Variation, Smyslov Defense

1. c4 e5 2. Nc3 d6 3. Nf3 Bg4

A218 plies

English Opening: King's English Variation, Troger Defense

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6

A225 plies

English Opening: Carls-Bremen System

1. c4 e5 2. Nc3 Nf6 3. g3

A228 plies

English Opening: King's English Variation, Adhiban Gambit

1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 c6

A228 plies

English Opening: King's English Variation, Bellon Gambit

1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5

A224 plies

English Opening: King's English Variation, Two Knights Variation

1. c4 e5 2. Nc3 Nf6

A226 plies

English Opening: King's English Variation, Two Knights Variation, Reversed Dragon

1. c4 e5 2. Nc3 Nf6 3. g3 d5

A226 plies

English Opening: King's English Variation, Two Knights Variation, Smyslov System

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4

A228 plies

English Opening: King's English, Erbenheimer Gambit

1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 Ng4

A225 plies

English Opening: King's English, Mazedonisch

1. c4 e5 2. Nc3 Nf6 3. f4

A236 plies

English Opening: King's English Variation, Two Knights Variation, Keres Variation

1. c4 e5 2. Nc3 Nf6 3. g3 c6

A238 plies

English Opening: King's English Variation, Two Knights Variation, Keres Variation

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6

A246 plies

English Opening: King's English Variation, Two Knights Variation, Fianchetto Line

1. c4 e5 2. Nc3 Nf6 3. g3 g6

A2510 plies

English Opening: Closed, Taimanov Variation

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Rb1 Nh6 5. Bg2 Bg7

A2512 plies

English Opening: Closed, Taimanov Variation

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nh6

A2512 plies

English Opening: King's English Variation, Bremen-Hort Variation

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6

A259 plies

English Opening: King's English Variation, Closed System

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3

A259 plies

English Opening: King's English Variation, Hungarian Attack

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1

A254 plies

English Opening: King's English Variation, Reversed Closed Sicilian

1. c4 e5 2. Nc3 Nc6

A258 plies

English Opening: King's English Variation, Taimanov Variation

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7

A2611 plies

English Opening: King's English Variation, Botvinnik System

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4

A2610 plies

English Opening: King's English Variation, Closed System, Full Symmetry

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6

A275 plies

English Opening: King's English Variation, Three Knights System

1. c4 e5 2. Nc3 Nc6 3. Nf3

A287 plies

English Opening: Four Knights System, Nimzowitsch Variation

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4

A286 plies

English Opening: King's English Variation, Four Knights Variation

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6

A2816 plies

English Opening: King's English Variation, Four Knights Variation

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 Ne5

A288 plies

English Opening: King's English Variation, Four Knights Variation, Bradley Beach Variation

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4

A287 plies

English Opening: King's English Variation, Four Knights Variation, Flexible Line

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3

A287 plies

English Opening: King's English Variation, Four Knights Variation, Korchnoi Line

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3

A287 plies

English Opening: King's English Variation, Four Knights Variation, Quiet Line

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3

A2810 plies

English Opening: King's English Variation, Four Knights Variation, Quiet Line

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3

A2813 plies

English Opening: King's English Variation, Four Knights Variation, Quiet Line

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5

A297 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3

A2910 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6

A2911 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3

A2914 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3 Be7 7. O-O O-O

A2914 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc6

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O e4 7. Nd4 Nc6

A2911 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2

A2913 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 O-O 7. O-O

A2912 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be7

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. d3 Be7 6. Nf3 O-O

A2912 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a6

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 a6

A2912 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, h6

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 h6

A2912 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Bc5

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5

A2912 plies

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6

A302 plies

English Opening: Symmetrical Variation

1. c4 c5

A303 plies

English Opening: Symmetrical Variation

1. c4 c5 2. Nf3

A3012 plies

English Opening: Symmetrical Variation, Hedgehog Defense

1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7

A305 plies

English Opening: Symmetrical Variation, Napolitano Gambit

1. c4 c5 2. Nf3 Nf6 3. b4

A3020 plies

English Opening: Symmetrical, Hedgehog, Flexible Formation

1. c4 e6 2. Nf3 c5 3. Nc3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7

A303 plies

English Opening: Wing Gambit

1. c4 c5 2. b4

A315 plies

English Opening: Symmetrical Variation, Anti-Benoni Variation

1. c4 Nf6 2. d4 c5 3. Nf3

A328 plies

English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense

1. c4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6

A3312 plies

English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation

1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 Nc6 5. g3 cxd4 6. Nxd4 Qb6

A3310 plies

English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense

1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6

A3410 plies

English Opening: Symmetrical Variation

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 cxd4

A345 plies

English Opening: Symmetrical Variation, Fianchetto Variation

1. c4 Nf6 2. Nc3 c5 3. g3

A343 plies

English Opening: Symmetrical Variation, Normal Variation

1. c4 c5 2. Nc3

A3410 plies

English Opening: Symmetrical Variation, Rubinstein Variation

1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7

A3412 plies

English Opening: Symmetrical Variation, Rubinstein Variation

1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7

A345 plies

English Opening: Symmetrical Variation, Three Knights Variation

1. c4 c5 2. Nc3 Nf6 3. Nf3

A356 plies

English Opening: Symmetrical Variation

1. c4 c5 2. Nc3 Nf6 3. Nf3 e5

A356 plies

English Opening: Symmetrical Variation, Four Knights Variation

1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6

A354 plies

English Opening: Symmetrical Variation, Two Knights Variation

1. c4 c5 2. Nc3 Nc6

A369 plies

English Opening: Symmetrical Variation, Botvinnik System

1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2

A3610 plies

English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5

A365 plies

English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation

1. c4 c5 2. Nc3 Nc6 3. g3

A368 plies

English Opening: Symmetrical Variation, Ultra-Symmetrical Variation

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6

A3710 plies

English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5

A3712 plies

English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O d6

A3712 plies

English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7

A3713 plies

English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. a3

A3713 plies

English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. d3

A3714 plies

English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. d3 d6

A379 plies

English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3

A3813 plies

English Opening: Symmetrical Variation, Double Fianchetto

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3

A3813 plies

English Opening: Symmetrical Variation, Duchamp Variation

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. d3

A3810 plies

English Opening: Symmetrical Variation, Full Symmetry Line

1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7

A3913 plies

English Opening: Symmetrical Variation, Mecking Variation

1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4

A402 plies

Australian Defense

1. d4 Na6

A4014 plies

Benoni Defense: Franco-Sicilian Hybrid

1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Nf3 Ne7

A402 plies

Borg Defense: Borg Gambit

1. d4 g5

A408 plies

Colle System: Pterodactyl Variation

1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 Qa5+

A4010 plies

Colle System: Siroccopteryx Variation

1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 cxd4 5. Nxd4 Qa5+

A402 plies

English Defense

1. d4 b6

A404 plies

English Defense

1. d4 e6 2. c4 b6

A406 plies

English Defense: Eastbourne Gambit

1. d4 b6 2. c4 Bb7 3. Nc3 e5

A4010 plies

English Defense: Hartlaub Gambit Accepted

1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. exf5 Nf6

A409 plies

English Defense: Hartlaub Gambit Declined

1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. d5

A408 plies

English Defense: Perrin Variation

1. d4 e6 2. c4 b6 3. e4 Bb7 4. Bd3 Nc6

A4010 plies

English Defense: Poli Gambit

1. d4 e6 2. c4 b6 3. e4 Bb7 4. f3 f5 5. exf5 Nh6

A402 plies

Englund Gambit

1. d4 e5

A403 plies

Englund Gambit Declined

1. d4 e5 2. d5

A406 plies

Englund Gambit Declined: Diemer Counterattack

1. d4 e5 2. d5 Bc5 3. e4 Qh4

A403 plies

Englund Gambit Declined: Reversed Alekhine

1. d4 e5 2. Nf3

A405 plies

Englund Gambit Declined: Reversed Brooklyn

1. d4 e5 2. Nf3 e4 3. Ng1

A403 plies

Englund Gambit Declined: Reversed French

1. d4 e5 2. e3

A404 plies

Englund Gambit Declined: Reversed Krebs

1. d4 e5 2. Nf3 e4

A405 plies

Englund Gambit Declined: Reversed Mokele Mbembe

1. d4 e5 2. Nf3 e4 3. Ne5

A406 plies

Englund Gambit: Felbecker Gambit

1. d4 e5 2. dxe5 Nc6 3. Nf3 Bc5

A404 plies

Englund Gambit: Hartlaub-Charlick Gambit

1. d4 e5 2. dxe5 d6

A406 plies

Englund Gambit: Main Line

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7

A404 plies

Englund Gambit: Mosquito Gambit

1. d4 e5 2. dxe5 Qh4

A404 plies

Englund Gambit: Soller Gambit

1. d4 e5 2. dxe5 f6

A406 plies

Englund Gambit: Soller Gambit Deferred

1. d4 e5 2. dxe5 Nc6 3. Nf3 f6

A407 plies

Englund Gambit: Stockholm Variation

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5

A406 plies

Englund Gambit: Zilbermints Gambit

1. d4 e5 2. dxe5 Nc6 3. Nf3 Nge7

A402 plies

Horwitz Defense

1. d4 e6

A404 plies

Horwitz Defense: Zilbermints Gambit

1. d4 e6 2. c4 e5

A404 plies

Kangaroo Defense

1. d4 e6 2. c4 Bb4+

A405 plies

Kangaroo Defense: Keres Defense, Transpositional Variation

1. d4 e6 2. c4 Bb4+ 3. Nc3

A402 plies

Mikenas Defense

1. d4 Nc6

A406 plies

Mikenas Defense: Cannstatter Variation

1. d4 Nc6 2. c4 e5 3. d5 Nd4

A406 plies

Mikenas Defense: Lithuanian Variation

1. d4 Nc6 2. c4 e5 3. d5 Nce7

A408 plies

Mikenas Defense: Pozarek Gambit

1. d4 Nc6 2. c4 e5 3. dxe5 Nxe5 4. Nc3 Nxc4

A4010 plies

Modern Defense: Beefeater Variation

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5

A405 plies

Modern Defense: Lizard Defense, Pirc-Diemer Gambit

1. d4 g6 2. h4 Nf6 3. h5

A404 plies

Montevideo Defense

1. d4 Nc6 2. d5 Nb8

A402 plies

Polish Defense

1. d4 b5

A405 plies

Polish Defense: Spassky Gambit Accepted

1. d4 b5 2. e4 Bb7 3. Bxb5

A4012 plies

Pterodactyl Defense: Central, Benoni Beefeater Pterodactyl

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Bxc3+ 6. bxc3 Qa5

A408 plies

Pterodactyl Defense: Central, Benoni Pterodactyl

1. d4 g6 2. c4 Bg7 3. e4 c5 4. d5 Qa5+

A408 plies

Pterodactyl Defense: Fianchetto, Queen Benoni Pterodactyl

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Qa5

A4010 plies

Pterodactyl Defense: Fianchetto, Queen Pteranodon

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5

A408 plies

Pterodactyl Defense: Fianchetto, Queen Pterodactyl

1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+

A407 plies

Pterodactyl Defense: Queen Pterodactyl, Quiet Line

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3

A401 plies

Queen's Pawn Game

1. d4

A404 plies

Queen's Pawn Game: Anglo-Slav Opening

1. d4 c6 2. c4 d6

A402 plies

Queen's Pawn Game: Modern Defense

1. d4 g6

A406 plies

Slav Indian: Kudischewitsch Gambit

1. d4 c6 2. Nf3 Nf6 3. c4 b5

A408 plies

Zaire Defense

1. d4 Nc6 2. d5 Nb8 3. e4 Nf6 4. e5 Ng8

A416 plies

Modern Defense

1. d4 g6 2. c4 Bg7 3. Nc3 d6

A416 plies

Modern Defense: Neo-Modern Defense

1. d4 g6 2. c4 Bg7 3. e4 e5

A413 plies

Old Indian Defense

1. d4 d6 2. c4

A412 plies

Queen's Pawn Game

1. d4 d6

A414 plies

Rat Defense: English Rat

1. d4 d6 2. c4 e5

A416 plies

Rat Defense: English Rat, Lisbon Gambit

1. d4 d6 2. c4 e5 3. dxe5 Nc6

A416 plies

Rat Defense: English Rat, Pounds Gambit

1. d4 d6 2. c4 e5 3. dxe5 Be6

A418 plies

Robatsch Defense

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. e4 Bg4

A414 plies

Wade Defense

1. d4 d6 2. Nf3 Bg4

A418 plies

Zukertort Opening: Wade Defense, Chigorin Plan

1. d4 d6 2. Nf3 Bg4 3. c4 Nd7 4. Qb3 Rb8

A427 plies

Modern Defense: Averbakh System

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4

A429 plies

Modern Defense: Averbakh Variation, Pseudo-Sämisch

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Be3 Nf6 5. f3

A428 plies

Modern Defense: Kotov Variation

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6

A428 plies

Modern Defense: Randspringer Variation

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 f5

A4210 plies

Pterodactyl Defense

1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qa5+ 5. Nc3 d6

A4210 plies

Pterodactyl Defense: Central, Bogolubovia

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 c5 5. Nge2 Qa5

A433 plies

Benoni Defense: Benoni Gambit Accepted

1. d4 c5 2. dxc5

A434 plies

Benoni Defense: Benoni Gambit, Schlenker Defense

1. d4 c5 2. dxc5 Na6

A434 plies

Benoni Defense: Benoni-Indian Defense

1. d4 c5 2. d5 Nf6

A435 plies

Benoni Defense: Benoni-Indian Defense, Kingside Move Order

1. d4 c5 2. d5 Nf6 3. Nf3

A435 plies

Benoni Defense: Benoni-Staunton Gambit

1. d4 c5 2. d5 f5 3. e4

A434 plies

Benoni Defense: Cormorant Gambit

1. d4 c5 2. dxc5 b6

A435 plies

Benoni Defense: French Benoni

1. e4 e6 2. d4 c5 3. d5

A436 plies

Benoni Defense: Hawk Variation

1. d4 Nf6 2. Nf3 c5 3. d5 c4

A432 plies

Benoni Defense: Old Benoni

1. d4 c5

A433 plies

Benoni Defense: Old Benoni

1. d4 c5 2. d5

A434 plies

Benoni Defense: Old Benoni

1. d4 c5 2. d5 d6

A434 plies

Benoni Defense: Old Benoni, Mujannah Formation

1. d4 c5 2. d5 f5

A436 plies

Benoni Defense: Old Benoni, Schmid Variation

1. d4 c5 2. d5 d6 3. Nc3 g6

A434 plies

Benoni Defense: Snail Variation

1. d4 c5 2. d5 Na6

A436 plies

Benoni Defense: Woozle

1. d4 c5 2. d5 Nf6 3. Nc3 Qa5

A433 plies

Benoni Defense: Zilbermints-Benoni Gambit

1. d4 c5 2. b4

A435 plies

Benoni Defense: Zilbermints-Benoni Gambit

1. d4 c5 2. Nf3 cxd4 3. b4

A436 plies

Benoni Defense: Zilbermints-Benoni Gambit, Tamarkin Countergambit

1. d4 c5 2. Nf3 cxd4 3. b4 e5

A436 plies

Indian Defense: Pseudo-Benko

1. d4 Nf6 2. Nf3 c5 3. d5 b5

A435 plies

Queen's Pawn Game: Liedmann Gambit

1. d4 c5 2. c4 cxd4 3. e3

A444 plies

Benoni Defense: Old Benoni

1. d4 c5 2. d5 e5

A446 plies

Benoni Defense: Semi-Benoni

1. d4 c5 2. d5 e5 3. e4 d6

A455 plies

Amazon Attack: Siberian Attack

1. d4 Nf6 2. Nc3 d5 3. Qd3

A453 plies

Canard Opening

1. d4 Nf6 2. f4

A452 plies

Indian Defense

1. d4 Nf6

A453 plies

Indian Defense: Accelerated London System

1. d4 Nf6 2. Bf4

A455 plies

Indian Defense: Gedult Attack

1. d4 Nf6 2. f3 d5 3. g4

A453 plies

Indian Defense: Gibbins-Weidenhagen Gambit

1. d4 Nf6 2. g4

A454 plies

Indian Defense: Gibbins-Weidenhagen Gambit Accepted

1. d4 Nf6 2. g4 Nxg4

A457 plies

Indian Defense: Gibbins-Weidenhagen Gambit, Maltese Falcon

1. d4 Nf6 2. g4 Nxg4 3. f3 Nf6 4. e4

A454 plies

Indian Defense: Gibbins-Weidenhagen Gambit, Oshima Defense

1. d4 Nf6 2. g4 e5

A459 plies

Indian Defense: Gibbins-Weidenhagen Gambit, Stummer Gambit

1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. Be2 Nf6 5. Nc3

A454 plies

Indian Defense: Lazard Gambit

1. d4 Nf6 2. Nd2 e5

A454 plies

Indian Defense: Maddigan Gambit

1. d4 Nf6 2. Nc3 e5

A453 plies

Indian Defense: Omega Gambit

1. d4 Nf6 2. e4

A457 plies

Indian Defense: Omega Gambit, Arafat Gambit

1. d4 Nf6 2. e4 Nxe4 3. Bd3 Nf6 4. Bg5

A455 plies

Indian Defense: Paleface Attack, Blackmar-Diemer Gambit Deferred

1. d4 Nf6 2. f3 d5 3. e4

A453 plies

Indian Defense: Pawn Push Variation

1. d4 Nf6 2. d5

A454 plies

Indian Defense: Reversed Chigorin Defense

1. d4 Nf6 2. Nc3 c5

A453 plies

Indian Defense: Tartakower Attack

1. d4 Nf6 2. g3

A453 plies

Paleface Attack

1. d4 Nf6 2. f3

A454 plies

Queen's Pawn Game: Chigorin Variation

1. d4 Nf6 2. Nc3 d5

A455 plies

Queen's Pawn Game: Veresov, Richter Attack

1. d4 Nf6 2. f3 d5 3. Nc3

A453 plies

Trompowsky Attack

1. d4 Nf6 2. Bg5

A456 plies

Trompowsky Attack: Borg Variation

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 g5

A454 plies

Trompowsky Attack: Classical Defense

1. d4 Nf6 2. Bg5 e6

A455 plies

Trompowsky Attack: Classical Defense, Big Center Variation

1. d4 Nf6 2. Bg5 e6 3. e4

A455 plies

Trompowsky Attack: Edge Variation

1. d4 Nf6 2. Bg5 Ne4 3. Bh4

A4513 plies

Trompowsky Attack: Edge Variation, Hergert Gambit

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 c6 4. Nd2 Qa5 5. c3 Nxd2 6. Qxd2 d5 7. e4

A4511 plies

Trompowsky Attack: Edge Variation, Hergert Gambit

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 d5 4. f3 Nf6 5. Nc3 Bf5 6. e4

A457 plies

Trompowsky Attack: Poisoned Pawn Variation

1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Nc3

A455 plies

Trompowsky Attack: Raptor Variation

1. d4 Nf6 2. Bg5 Ne4 3. h4

A458 plies

Trompowsky Attack: Raptor Variation, Hergert Gambit

1. d4 Nf6 2. Bg5 Ne4 3. h4 Nxg5 4. hxg5 e5

A464 plies

Döry Defense

1. d4 Nf6 2. Nf3 Ne4

A464 plies

Indian Defense: Czech-Indian

1. d4 Nf6 2. Nf3 c6

A463 plies

Indian Defense: Knights Variation

1. d4 Nf6 2. Nf3

A464 plies

Indian Defense: Knights Variation, Alburt-Miles Variation

1. d4 Nf6 2. Nf3 a6

A465 plies

Indian Defense: London System

1. d4 Nf6 2. Nf3 e6 3. Bf4

A464 plies

Indian Defense: Polish Variation

1. d4 Nf6 2. Nf3 b5

A464 plies

Indian Defense: Spielmann-Indian

1. d4 Nf6 2. Nf3 c5

A464 plies

Indian Defense: Wade-Tartakower Defense

1. d4 Nf6 2. Nf3 d6

A4610 plies

Queen's Pawn Game: Torre Attack, Breyer Variation

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. e3 c5 5. c3 Qb6

A467 plies

Queen's Pawn Game: Veresov Attack, Classical Defense

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

A465 plies

Torre Attack: Classical Defense

1. d4 Nf6 2. Nf3 e6 3. Bg5

A466 plies

Torre Attack: Classical Defense, Nimzowitsch Variation

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6

A469 plies

Torre Attack: Classical Defense, Petrosian Gambit

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 b6 5. d5

A467 plies

Torre Attack: Wagner Gambit

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e4

A465 plies

Yusupov-Rubinstein System

1. d4 Nf6 2. Nf3 e6 3. e3

A476 plies

Indian Defense: Schnepper Gambit

1. d4 Nf6 2. Nf3 b6 3. c3 e5

A478 plies

Marienbad System

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5

A4711 plies

Marienbad System: Berg Variation

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4

A474 plies

Pseudo Queen's Indian Defense

1. d4 Nf6 2. Nf3 b6

A484 plies

East Indian Defense

1. d4 Nf6 2. Nf3 g6

A488 plies

Indian Defense: Colle System, King's Indian Variation

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6

A485 plies

London System

1. d4 Nf6 2. Nf3 g6 3. Bf4

A487 plies

London System

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3

A488 plies

London System

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6

A489 plies

London System, with Bd3

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3

A489 plies

London System, with Be2

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2

A4810 plies

London System, with Be2

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O

A4811 plies

London System, with Be2

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 c5 6. Be2

A487 plies

Queen's Pawn Game: Barry Attack

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

A488 plies

Queen's Pawn Game: Barry Attack

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

A4811 plies

Queen's Pawn Game: Barry Attack, Grünfeld Variation

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Be2

A489 plies

Queen's Pawn Game: Barry Attack, Tarzan Attack

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. Qd2

A4810 plies

Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 O-O

A485 plies

Torre Attack: Fianchetto Defense

1. d4 Nf6 2. Nf3 g6 3. Bg5

A488 plies

Torre Attack: Fianchetto Defense, Euwe Variation

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5

A495 plies

Indian Defense: Przepiorka Variation

1. d4 Nf6 2. Nf3 g6 3. g3

A504 plies

Indian Defense: Medusa Gambit

1. d4 Nf6 2. c4 g5

A503 plies

Indian Defense: Normal Variation

1. d4 Nf6 2. c4

A504 plies

Indian Defense: Pyrenees Gambit

1. d4 Nf6 2. c4 b5

A504 plies

Mexican Defense

1. d4 Nf6 2. c4 Nc6

A507 plies

Mexican Defense: Horsefly Gambit

1. d4 Nf6 2. c4 Nc6 3. d5 Ne5 4. f4

A504 plies

Queen's Indian Accelerated

1. d4 Nf6 2. c4 b6

A504 plies

Slav Indian

1. d4 Nf6 2. c4 c6

A514 plies

Indian Defense: Budapest Defense

1. d4 Nf6 2. c4 e5

A518 plies

Indian Defense: Budapest Defense, Fajarowicz Defense, Bonsdorf Variation

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. a3 b6

A516 plies

Indian Defense: Budapest Defense, Fajarowicz Variation

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4

A517 plies

Indian Defense: Budapest Defense, Fajarowicz-Steiner Variation

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Qc2

A526 plies

Indian Defense: Budapest Defense

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4

A527 plies

Indian Defense: Budapest Defense, Adler Variation

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3

A527 plies

Indian Defense: Budapest Defense, Alekhine Variation

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4

A5210 plies

Indian Defense: Budapest Defense, Alekhine Variation, Abonyi Variation

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6

A528 plies

Indian Defense: Budapest Defense, Alekhine Variation, Tartakower Defense

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 d6

A527 plies

Indian Defense: Budapest Defense, Rubinstein Variation

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4

A534 plies

Old Indian Defense

1. d4 Nf6 2. c4 d6

A535 plies

Old Indian Defense: Aged Gibbon Gambit

1. d4 Nf6 2. c4 d6 3. g4

A536 plies

Old Indian Defense: Czech Variation, with Nc3

1. d4 Nf6 2. c4 d6 3. Nc3 c6

A536 plies

Old Indian Defense: Czech Variation, with Nf3

1. d4 Nf6 2. c4 d6 3. Nf3 c6

A536 plies

Old Indian Defense: Janowski Variation

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5

A537 plies

Old Indian Defense: Janowski Variation, Fianchetto Variation

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. g3

A537 plies

Old Indian Defense: Janowski Variation, Grinberg Gambit

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. e4

A537 plies

Old Indian Defense: Janowski Variation, Main Line

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. f3

A549 plies

Old Indian Defense: Duz-Khotimirsky Variation

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e3 Nbd7 5. Bd3

A546 plies

Old Indian Defense: Tartakower-Indian

1. d4 Nf6 2. c4 d6 3. Nf3 Bg4

A547 plies

Old Indian Defense: Two Knights Variation

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3

A546 plies

Old Indian Defense: Ukrainian Variation

1. d4 Nf6 2. c4 d6 3. Nc3 e5

A559 plies

Old Indian Defense: Normal Variation

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3

A564 plies

Benoni Defense

1. d4 Nf6 2. c4 c5

A566 plies

Benoni Defense: Czech Benoni Defense

1. d4 Nf6 2. c4 c5 3. d5 e5

A566 plies

Benoni Defense: Hromádka System

1. d4 Nf6 2. c4 c5 3. d5 d6

A5610 plies

Benoni Defense: King's Indian System

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6

A566 plies

Benoni Defense: Weenink Variation

1. d4 Nf6 2. c4 c5 3. dxc5 e6

A5616 plies

Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 Bg7 5. Nf3 O-O 6. Be2 cxd4 7. exd4 d5 8. O-O Nc6

A566 plies

Vulture Defense

1. d4 Nf6 2. c4 c5 3. d5 Ne4

A576 plies

Benko Gambit

1. d4 Nf6 2. c4 c5 3. d5 b5

A578 plies

Benko Gambit Accepted

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6

A579 plies

Benko Gambit Accepted: Dlugy Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3

A579 plies

Benko Gambit Accepted: Modern Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3

A579 plies

Benko Gambit Accepted: Pawn Return Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6

A577 plies

Benko Gambit Declined: Bishop Attack

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Bg5

A577 plies

Benko Gambit Declined: Hjørring Countergambit

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

A577 plies

Benko Gambit Declined: Main Line

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3

A577 plies

Benko Gambit Declined: Pseudo-Sämisch

1. d4 Nf6 2. c4 c5 3. d5 b5 4. f3

A577 plies

Benko Gambit Declined: Quiet Line

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2

A577 plies

Benko Gambit Declined: Sosonko Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4

A577 plies

Benko Gambit: Mutkin Countergambit

1. d4 Nf6 2. c4 c5 3. d5 b5 4. g4

A5715 plies

Benko Gambit: Nescafe Frappe Attack

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc4

A579 plies

Benko Gambit: Zaitsev System

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3

A5713 plies

Benko Gambit: Zaitsev Variation, Nescafe Frappe Attack

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5

A5813 plies

Benko Gambit Accepted: Central Storming Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. f4

A5817 plies

Benko Gambit Accepted: Fianchetto Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Bg2 Bg7 9. Nf3

A589 plies

Benko Gambit Accepted: Fully Accepted Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6

A5815 plies

Benko Gambit: Fianchetto Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3

A5815 plies

Benko Gambit: Nd2 Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2

A5917 plies

Benko Gambit

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3

A5921 plies

Benko Gambit Accepted: King Walk Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 O-O 11. Kg2

A5913 plies

Benko Gambit Accepted: Yugoslav

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4

A5917 plies

Benko Gambit Accepted: Yugoslav

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nge2

A606 plies

Benoni Defense: Modern Variation

1. d4 Nf6 2. c4 c5 3. d5 e6

A6010 plies

Benoni Defense: Modern Variation, Snake Variation

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 Bd6

A6112 plies

Benoni Defense

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6

A6113 plies

Benoni Defense: Fianchetto Variation

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3

A6113 plies

Benoni Defense: Knight's Tour Variation

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2

A6113 plies

Benoni Defense: Uhlmann Variation

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg5

A6216 plies

Benoni Defense: Fianchetto Variation

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O

A6318 plies

Benoni Defense: Fianchetto Variation, Hastings Defense

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7

A6422 plies

Benoni Defense: Fianchetto Variation, Hastings Defense, Main Line

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7 11. Nd2 Re8

A6511 plies

Benoni Defense: King's Pawn Line

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4

A6514 plies

Benoni Defense: King's Pawn Line

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7

A6517 plies

Benoni Defense: King's Pawn Line

1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 d6 5. e4 Bg7 6. Nc3 e6 7. Be3 O-O 8. Qd2 exd5 9. cxd5

A6515 plies

Benoni Defense: King's Pawn Line, with Be3

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Be3

A6513 plies

Benoni Defense: King's Pawn Line, with Bg5

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5

A6515 plies

Benoni Defense: King's Pawn Line, with Bg5

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Bg5

A6517 plies

Benoni Defense: King's Pawn Line, with Bg5

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. exd5

A6515 plies

Benoni Defense: King's Pawn Line, with Nge2

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Nge2

A6517 plies

Benoni Defense: King's Pawn Line, with Nge2

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c5 7. d5 e6 8. Ng3 exd5 9. cxd5

A6615 plies

Benoni Defense: Mikenas Variation

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5

A6613 plies

Benoni Defense: Pawn Storm Variation

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4

A6715 plies

Benoni Defense: Taimanov Variation

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+

A6816 plies

Benoni Defense: Four Pawns Attack

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O

A6918 plies

Benoni Defense: Four Pawns Attack, Main Line

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8

A7013 plies

Benoni Defense: Classical Variation

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4

A7015 plies

Benoni Defense: Classical Variation, New York Variation

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h3

A7015 plies

Benoni Defense: Classical Variation, Traditional Variation

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2

A7115 plies

Benoni Defense: Classical Variation, Averbakh-Grivas Attack

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5

A7216 plies

Benoni Defense: Classical Variation

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O

A7317 plies

Benoni Defense: Classical Variation, Main Line

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O

A7419 plies

Benoni Defense: Classical Variation, Full Line

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10. a4

A7520 plies

Benoni Defense: Classical Variation, Argentine Counterattack

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O a6 10. a4 Bg4

A7618 plies

Benoni Defense: Classical Variation, Czerniak Defense

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8

A7719 plies

Benoni Defense: Classical Variation, Czerniak Defense, Tal Line

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2

A7820 plies

Benoni Defense: Classical Variation, Czerniak Defense

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6

A7921 plies

Benoni Defense: Classical Variation, Czerniak Defense

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3

A802 plies

Dutch Defense

1. d4 f5

A803 plies

Dutch Defense: Alapin Variation

1. d4 f5 2. Qd3

A804 plies

Dutch Defense: Hevendehl Gambit

1. d4 f5 2. g4 e5

A803 plies

Dutch Defense: Hopton Attack

1. d4 f5 2. Bg5

A805 plies

Dutch Defense: Janzen-Korchnoi Gambit

1. d4 f5 2. h3 Nf6 3. g4

A805 plies

Dutch Defense: Kingfisher Gambit

1. d4 f5 2. Nc3 d5 3. e4

A803 plies

Dutch Defense: Korchnoi Attack

1. d4 f5 2. h3

A803 plies

Dutch Defense: Krejcik Gambit

1. d4 f5 2. g4

A807 plies

Dutch Defense: Krejcik Gambit, Tate Gambit

1. d4 f5 2. g4 fxg4 3. e4 d5 4. Nc3

A805 plies

Dutch Defense: Manhattan Gambit, Anti-Classical Line

1. d4 f5 2. Qd3 e6 3. g4

A805 plies

Dutch Defense: Manhattan Gambit, Anti-Leningrad

1. d4 f5 2. Qd3 g6 3. g4

A805 plies

Dutch Defense: Manhattan Gambit, Anti-Modern

1. d4 f5 2. Qd3 d6 3. g4

A805 plies

Dutch Defense: Manhattan Gambit, Anti-Stonewall

1. d4 f5 2. Qd3 d5 3. g4

A804 plies

Dutch Defense: Omega-Isis Gambit

1. d4 f5 2. Nf3 e5

A803 plies

Dutch Defense: Raphael Variation

1. d4 f5 2. Nc3

A805 plies

Dutch Defense: Senechaud Gambit

1. d4 f5 2. Bf4 e6 3. g4

A805 plies

Dutch Defense: Spielmann Gambit

1. d4 f5 2. Nc3 Nf6 3. g4

A804 plies

Queen's Pawn Game: Veresov Attack, Dutch System

1. d4 f5 2. Nc3 d5

A817 plies

Dutch Defense: Blackburne Variation

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nh3

A813 plies

Dutch Defense: Fianchetto Attack

1. d4 f5 2. g3

A817 plies

Dutch Defense: Leningrad Variation, Carlsbad Variation

1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3

A8110 plies

Dutch Defense: Leningrad, Basman System

1. d4 f5 2. g3 c6 3. Bg2 g6 4. Nf3 Bg7 5. O-O Nh6

A816 plies

Dutch Defense: Semi-Leningrad Variation

1. d4 f5 2. g3 Nf6 3. Bg2 g6

A827 plies

Dutch Defense: Blackmar's Second Gambit

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3

A823 plies

Dutch Defense: Staunton Gambit

1. d4 f5 2. e4

A824 plies

Dutch Defense: Staunton Gambit Accepted

1. d4 f5 2. e4 fxe4

A825 plies

Dutch Defense: Staunton Gambit, American Attack

1. d4 f5 2. e4 fxe4 3. Nd2

A827 plies

Dutch Defense: Staunton Gambit, Tartakower Variation

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4

A824 plies

Rat Defense: Balogh Defense

1. e4 d6 2. d4 f5

A837 plies

Dutch Defense: Staunton Gambit

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5

A839 plies

Dutch Defense: Staunton Gambit, Alekhine Variation

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. h4

A838 plies

Dutch Defense: Staunton Gambit, Chigorin Variation

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6

A839 plies

Dutch Defense: Staunton Gambit, Lasker Variation

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3

A838 plies

Dutch Defense: Staunton Gambit, Nimzowitsch Variation

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 b6

A843 plies

Dutch Defense

1. d4 f5 2. c4

A845 plies

Dutch Defense: Bellon Gambit

1. d4 f5 2. c4 e6 3. e4

A846 plies

Dutch Defense: Bladel Variation

1. d4 f5 2. c4 g6 3. Nc3 Nh6

A844 plies

Dutch Defense: Classical Variation

1. d4 f5 2. c4 e6

A848 plies

Dutch Defense: Krause Variation

1. d4 f5 2. c4 Nf6 3. Nc3 d6 4. Nf3 Nc6

A844 plies

Dutch Defense: Normal Variation

1. d4 f5 2. c4 Nf6

A845 plies

Dutch Defense: Rubinstein Variation

1. d4 f5 2. c4 e6 3. Nc3

A855 plies

Dutch Defense: Queen's Knight Variation

1. d4 f5 2. c4 Nf6 3. Nc3

A865 plies

Dutch Defense: Fianchetto Variation

1. d4 f5 2. c4 Nf6 3. g3

A8610 plies

Dutch Defense: Hort-Antoshin System

1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5. Nc3 Qc7

A866 plies

Dutch Defense: Leningrad Variation

1. d4 f5 2. c4 Nf6 3. g3 g6

A879 plies

Dutch Defense: Leningrad Variation

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3

A8814 plies

Dutch Defense: Leningrad Variation, Warsaw Variation

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6

A8914 plies

Dutch Defense: Leningrad Variation, Matulovic Variation

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 Nc6

A907 plies

Dutch Defense: Classical Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2

A909 plies

Dutch Defense: Classical Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 5. Nf3

A908 plies

Dutch Defense: Nimzo-Dutch Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+

A9010 plies

Dutch Defense: Nimzo-Dutch Variation, Alekhine Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Be7

A9012 plies

Dutch Defense: Stonewall Variation, Modern Variation

1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd6

A918 plies

Dutch Defense: Classical Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7

A919 plies

Dutch Defense: Classical Variation, Blackburne Attack

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nh3

A9212 plies

Dutch Defense: Alekhine Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4

A9210 plies

Dutch Defense: Classical Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O

A9213 plies

Dutch Defense: Stonewall Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3

A9212 plies

Dutch Defense: Stonewall Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5

A9313 plies

Dutch Defense: Stonewall Variation, Botvinnik Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3

A9415 plies

Dutch Defense: Stonewall Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3

A9514 plies

Dutch Defense: Stonewall Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6

A9517 plies

Dutch Defense: Stonewall Variation, Chekhover Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 8. Qc2 Qe8 9. Bg5

A9612 plies

Dutch Defense: Classical Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6

A9614 plies

Dutch Defense: Classical Variation, Buenos Aires Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 a5

A9614 plies

Dutch Defense: Classical Variation, Huisl Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Ne4

A9714 plies

Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8

A9715 plies

Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Winter Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Re1

A9815 plies

Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Alatortsev-Lisitsyn Line

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Qc2

A9915 plies

Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Modern Main Line

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b3