ECO volume A opening index

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Volume A holds 100 codes and 817 lines. Each code links through to the families it covers.

ECO is a code used to classify openings. It is one letter and two digits, and the letter names the volume.

A00144 lines

Families hereAmar OpeningAmsterdam AttackAnderssen's OpeningBarnes OpeningClemenz OpeningCreepy Crawly FormationFormationGlobal OpeningGrob OpeningHungarian OpeningKádas OpeningLasker Simul SpecialMieses OpeningPolish OpeningSaragossa OpeningSodium AttackValencia OpeningVan Geet OpeningVan't Kruijs OpeningWare Opening

  • Amar Opening1. Nh31 moves
  • Paris Gambit1. Nh3 d5 2. g3 e5 3. f45 moves
  • Paris Gambit, Gent Gambit1. Nh3 d5 2. g3 e5 3. f4 Bxh3 4. Bxh3 exf4 5. O-O fxg3 6. hxg311 moves
  • Amsterdam Attack1. e3 e5 2. c4 d6 3. Nc3 Nc6 4. b3 Nf68 moves
  • Anderssen's Opening1. a31 moves
  • Polish Gambit1. a3 a5 2. b43 moves
  • Barnes Opening1. f31 moves
  • Fool's Mate1. f3 e5 2. g4 Qh4#4 moves
  • Gedult Gambit1. f3 d5 2. e4 g6 3. d4 dxe4 4. c37 moves
  • Gedult Gambit1. f3 f5 2. e4 fxe4 3. Nc35 moves
  • Hammerschlag1. f3 e5 2. Kf23 moves
  • Clemenz Opening1. h31 moves
  • Spike Lee Gambit1. h3 h5 2. g43 moves
  • Classical Defense1. h3 d5 2. a3 e54 moves
  • Hippopotamus Attack1. a3 e5 2. b3 d5 3. c3 Nf6 4. d3 Nc6 5. e3 Bd6 6. f3 O-O 7. g313 moves
  • Shy Attack1. a3 e5 2. g3 d5 3. Bg2 Nf6 4. d3 Nc6 5. Nd2 Bd6 6. e3 O-O 7. h313 moves
  • Global Opening1. h3 e5 2. a33 moves
  • Grob Opening1. g41 moves
  • Alessi Gambit1. g4 f52 moves
  • Double Grob1. g4 g52 moves
  • Double Grob, Coca-Cola Gambit1. g4 g5 2. f43 moves
  • Grob Gambit1. g4 d5 2. Bg23 moves
  • Grob Gambit Declined1. g4 d5 2. Bg2 c64 moves
  • Grob Gambit, Basman Gambit1. g4 d5 2. Bg2 h5 3. gxh55 moves
  • Grob Gambit, Fritz Gambit1. g4 d5 2. Bg2 Bxg4 3. c45 moves
  • Grob Gambit, Fritz Gambit, Romford Countergambit1. g4 d5 2. Bg2 Bxg4 3. c4 d4 4. Bxb7 Nd7 5. Bxa8 Qxa810 moves
  • Grob Gambit, Keres Gambit1. g4 d5 2. Bg2 e5 3. d4 exd4 4. c37 moves
  • Grob Gambit, Richter-Grob Gambit1. g4 d5 2. Bg2 c6 3. c4 dxc4 4. b37 moves
  • Keene Defense1. g4 d5 2. h3 e5 3. Bg2 c66 moves
  • Keene Defense, Main Line1. g4 d5 2. h3 e5 3. Bg2 c6 4. d4 e4 5. c4 Bd6 6. Nc3 Ne712 moves
  • London Defense1. g4 e5 2. h3 Nc64 moves
  • Romford Countergambit1. g4 d5 2. Bg2 Bxg4 3. c4 d46 moves
  • Spike Attack1. g4 d5 2. Bg2 c6 3. g55 moves
  • Spike, Hurst Attack1. g4 e5 2. Bg2 d5 3. c45 moves
  • Zilbermints Gambit1. g4 d5 2. e4 dxe4 3. Nc35 moves
  • Zilbermints Gambit, Schiller Defense1. g4 d5 2. e4 dxe4 3. Nc3 h56 moves
  • Zilbermints Gambit, Zilbermints-Hartlaub Gambit1. g4 d5 2. e4 dxe4 3. Nc3 e5 4. d37 moves
  • Hungarian Opening1. g31 moves
  • Asten Gambit1. g3 Nc6 2. Nc3 d5 3. d4 e5 4. dxe5 d4 5. Ne4 f510 moves
  • Burk Gambit1. g3 e5 2. a3 d5 3. Nf3 e4 4. Nh4 Be7 5. d39 moves
  • Bücker Gambit1. g3 d5 2. Bg2 e5 3. b45 moves
  • Catalan Formation1. g3 d5 2. Bg2 e64 moves
  • Dutch Defense1. g3 f52 moves
  • Indian Defense1. g3 Nf62 moves
  • Myers Defense1. g3 g52 moves
  • Pachman Gambit1. g3 f5 2. e4 fxe4 3. Qh5+ g66 moves
  • Paris Gambit1. g3 e5 2. Nh3 d5 3. f4 Bxh3 4. Bxh3 exf4 5. O-O9 moves
  • Reversed Alekhine1. g3 e5 2. Nf33 moves
  • Reversed Brooklyn Defense, Brooklyn Benko Gambit1. g3 e5 2. Nf3 e4 3. Ng1 Nf6 4. b47 moves
  • Reversed Modern Defense1. g3 d5 2. Bg2 c54 moves
  • Reversed Norwegian Defense1. g3 e5 2. Nf3 e4 3. Nh45 moves
  • Sicilian Invitation1. g3 c52 moves
  • Slav Formation1. g3 d5 2. Bg2 c64 moves
  • Symmetrical Variation1. g3 g62 moves
  • Van Kuijk Gambit1. g3 h5 2. Nf3 h44 moves
  • Winterberg Gambit1. g3 d5 2. Bg2 e5 3. c4 dxc4 4. b37 moves
  • Kádas Opening1. h41 moves
  • Beginner's Trap1. h4 d5 2. Rh33 moves
  • Koola-Koola Variation1. h4 a52 moves
  • Kádas Gambit1. h4 c5 2. b43 moves
  • Kádas Gambit1. h4 d5 2. d4 c5 3. Nf3 cxd4 4. c37 moves
  • Kádas Gambit1. h4 e5 2. d4 exd4 3. c35 moves
  • Myers Variation1. h4 d5 2. d4 c5 3. e45 moves
  • Schneider Gambit1. h4 g52 moves
  • Steinbok Gambit1. h4 f5 2. e4 fxe4 3. d35 moves
  • Lasker Simul Special1. g3 h52 moves
  • Mieses Opening1. d31 moves
  • Myers Spike Attack1. d3 g6 2. g43 moves
  • Reversed Rat1. d3 e52 moves
  • Venezolana Variation1. d3 c5 2. Nc3 Nc6 3. g35 moves
  • Polish Opening1. b41 moves
  • with d51. b4 d52 moves
  • with d51. b4 d5 2. Bb2 Nf6 3. Nf35 moves
  • Baltic Defense1. b4 d5 2. Bb2 Bf54 moves
  • Birmingham Gambit1. b4 c52 moves
  • Bugayev Advance Variation1. b4 e5 2. Bb2 f6 3. b55 moves
  • Bugayev Attack1. b4 e5 2. a33 moves
  • Czech Defense1. b4 e5 2. Bb2 d64 moves
  • Dutch Defense1. b4 f52 moves
  • German Defense1. b4 d5 2. Bb2 Qd64 moves
  • Grigorian Variation1. b4 Nc62 moves
  • Karniewski Variation1. b4 Nh62 moves
  • King's Indian Variation1. b4 Nf6 2. Bb2 g64 moves
  • King's Indian Variation, Schiffler Attack1. b4 Nf6 2. Bb2 g6 3. e45 moves
  • King's Indian Variation, Sokolsky Attack1. b4 Nf6 2. Bb2 g6 3. c4 Bg7 4. e3 d6 5. Nf3 O-O 6. d411 moves
  • Myers Variation1. b4 d5 2. Bb2 c6 3. a45 moves
  • Outflank Variation1. b4 c62 moves
  • Outflank Variation, Schuehler Gambit1. b4 c6 2. Bb2 a5 3. b55 moves
  • Queen's Indian Variation1. b4 e6 2. Bb2 Nf6 3. b5 b66 moves
  • Queenside Defense1. b4 e6 2. Bb2 Nf6 3. b5 a66 moves
  • Rooks Swap Line1. b4 e6 2. Bb2 Nf6 3. b5 a6 4. a4 axb5 5. axb5 Rxa1 6. Bxa111 moves
  • Schiffler-Sokolsky Variation1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e37 moves
  • Schuehler Gambit1. b4 c6 2. Bb2 a5 3. b5 cxb5 4. e47 moves
  • Symmetrical Variation1. b4 b52 moves
  • Tartakower Gambit1. b4 e5 2. Bb2 f6 3. e45 moves
  • Wolferts Gambit1. b4 e5 2. Bb2 c54 moves
  • Saragossa Opening1. c31 moves
  • Sodium Attack1. Na31 moves
  • Celadon Variation1. Na3 e5 2. d3 Bxa3 3. bxa3 d5 4. e3 c5 5. Rb19 moves
  • Chenoboskion Variation1. Na3 g6 2. g43 moves
  • Durkin Gambit1. Na3 e5 2. Nc4 Nc6 3. e4 f56 moves
  • Valencia Opening1. d3 e5 2. Nd23 moves
  • Van Geet Opening1. Nc31 moves
  • Battambang Variation1. a3 e5 2. Nc33 moves
  • Billockus-Johansen Gambit1. Nc3 e5 2. Nf3 Bc54 moves
  • Damhaug Gambit1. Nc3 d5 2. f4 e54 moves
  • Dougherty Gambit1. Nc3 d5 2. e4 dxe4 3. f35 moves
  • Dunst-Perrenet Gambit1. Nc3 d5 2. e4 dxe4 3. d35 moves
  • Düsseldorf Gambit1. Nc3 c5 2. b43 moves
  • Gladbacher Gambit1. Nc3 e5 2. b3 d5 3. e4 dxe4 4. d37 moves
  • Hector Gambit1. Nc3 d5 2. e4 dxe4 3. Bc45 moves
  • Hergert Gambit1. Nc3 d6 2. f4 e5 3. fxe5 Nc66 moves
  • Hulsemann Gambit1. Nc3 e5 2. e3 d5 3. Qh5 Be66 moves
  • Jendrossek Gambit1. Nc3 d5 2. f4 d4 3. Ne4 f5 4. Nf2 Nf6 5. Nf3 c5 6. b411 moves
  • Kluever Gambit1. Nc3 f5 2. e4 fxe4 3. d35 moves
  • Laroche Gambit1. Nc3 b52 moves
  • Liebig Gambit1. Nc3 e5 2. e3 d5 3. Qh5 Nf66 moves
  • Melleby Gambit1. Nc3 d5 2. f4 d4 3. Ne4 c56 moves
  • Myers Attack1. Nc3 g6 2. h43 moves
  • Napoleon Attack1. Nc3 e5 2. Nf3 Nc6 3. d45 moves
  • Novosibirsk Variation1. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh47 moves
  • Nowokunski Gambit1. Nc3 e5 2. f4 exf4 3. e45 moves
  • Pfeiffer Gambit1. Nc3 d5 2. f4 d4 3. Ne4 e56 moves
  • Pfeiffer Gambit, Sleipnir Countergambit1. Nc3 d5 2. f4 d4 3. Ne4 e5 4. Nf37 moves
  • Reversed Nimzowitsch1. Nc3 e52 moves
  • Reversed Scandinavian1. Nc3 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qa47 moves
  • Sicilian Two Knights1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd47 moves
  • Sleipnir Gambit1. Nc3 d5 2. e3 e5 3. d4 Bb46 moves
  • Twyble Attack1. Nc3 c5 2. Rb13 moves
  • Tübingen Gambit1. Nc3 Nf6 2. g43 moves
  • Venezolana Variation1. Nc3 d5 2. d3 Nf6 3. g35 moves
  • Warsteiner Gambit1. Nc3 d5 2. f4 g54 moves
  • Van't Kruijs Opening1. e31 moves
  • Bouncing Bishop Variation1. e3 e5 2. Bc4 b5 3. Bb35 moves
  • Keoni-Hiva Gambit, Akahi Variation1. e3 e5 2. Nc3 Nf6 3. f4 exf4 4. Nf37 moves
  • Keoni-Hiva Gambit, Alua Variation1. e3 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf37 moves
  • Keoni-Hiva Gambit, Ekolu Variation1. e3 e5 2. Nc3 d5 3. f4 exf4 4. Nf37 moves
  • Ware Opening1. a41 moves
  • Cologne Gambit1. a4 b6 2. d4 d5 3. Nc3 Nd76 moves
  • Crab Variation1. a4 e5 2. h43 moves
  • Meadow Hay Trap1. a4 e5 2. Ra33 moves
  • Symmetric Variation1. a4 a52 moves
  • Ware Gambit1. a4 e5 2. a5 d5 3. e3 f5 4. a67 moves
  • Wing Gambit1. a4 b5 2. axb5 Bb74 moves

A0115 lines

Families hereNimzo-Larsen Attack

  • Nimzo-Larsen Attack1. b31 moves
  • Classical Variation1. b3 d52 moves
  • Dutch Variation1. b3 f52 moves
  • English Variation1. b3 c52 moves
  • Graz Attack1. b3 d5 2. Ba33 moves
  • Indian Variation1. b3 Nf62 moves
  • Modern Variation1. b3 e52 moves
  • Modern Variation1. b3 e5 2. Bb2 Nc64 moves
  • Modern Variation1. b3 e5 2. Bb2 Nc6 3. e35 moves
  • Modern Variation1. b3 e5 2. Bb2 Nc6 3. c4 Nf66 moves
  • Pachman Gambit1. b3 e5 2. Bb2 Nc6 3. f45 moves
  • Polish Variation1. b3 b52 moves
  • Ringelbach Gambit1. b3 f5 2. Bb2 e6 3. e45 moves
  • Spike Variation1. b3 Nf6 2. Bb2 g6 3. g45 moves
  • Symmetrical Variation1. b3 b62 moves

A0219 lines

Families hereBird Opening

  • Bird Opening1. f41 moves
  • Batavo-Polish Attack1. f4 Nf6 2. Nf3 g6 3. b45 moves
  • Double Duck Formation1. f4 f5 2. d4 d54 moves
  • From's Gambit1. f4 e52 moves
  • From's Gambit, Bahr Gambit1. f4 e5 2. Nc33 moves
  • From's Gambit, Langheld Gambit1. f4 e5 2. fxe5 d6 3. exd6 Nf66 moves
  • From's Gambit, Lasker Variation1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g58 moves
  • From's Gambit, Lipke Variation1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nh6 5. d49 moves
  • Hobbs Gambit1. f4 g52 moves
  • Hobbs-Zilbermints Gambit1. f4 h6 2. Nf3 g54 moves
  • Horsefly Defense1. f4 Nh62 moves
  • Lasker Gambit1. f4 e5 2. fxe5 f64 moves
  • Mujannah1. f4 Nf6 2. c43 moves
  • Myers Defense1. f4 b52 moves
  • Platz Gambit1. f4 e5 2. fxe5 Ne74 moves
  • Schlechter Gambit1. f4 e5 2. fxe5 Nc64 moves
  • Siegener Gambit1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c37 moves
  • Swiss Gambit1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g47 moves
  • Wagner-Zwitersch Gambit1. f4 f5 2. e43 moves

A038 lines

Families hereBird Opening

  • Dutch Variation1. f4 d52 moves
  • Dutch Variation, Dudweiler Gambit1. f4 d5 2. g43 moves
  • Lasker Variation1. f4 d5 2. Nf3 Nf6 3. e3 c56 moves
  • Sturm Gambit1. f4 d5 2. c43 moves
  • Thomas Gambit1. f4 d5 2. b3 Nf6 3. Bb2 d4 4. Nf3 c5 5. e39 moves
  • Williams Gambit1. f4 d5 2. e43 moves
  • Williams Gambit1. f4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Qe27 moves
  • Williams-Zilbermints Gambit1. f4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Nge27 moves

A0431 lines

Families hereColle SystemModern DefenseZukertort DefenseZukertort Opening

  • Rhamphorhynchus Variation1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. dxc5 Qa5+8 moves
  • Semi-Averbakh Variation, Polish Variation1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qb68 moves
  • Semi-Averbakh Variation, Pterodactyl Variation1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qa5+8 moves
  • Semi-Averbakh Variation, Pterodactyl Variation Accepted1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. c4 c5 5. dxc5 Qa5+10 moves
  • Kingside Variation1. Nf3 Nh6 2. d4 g64 moves
  • Sicilian Knight Variation1. Nf3 Na6 2. e4 c54 moves
  • Zukertort Opening1. Nf31 moves
  • Arctic Defense1. Nf3 f62 moves
  • Arctic Defense, Drunken Knight Variation1. Nf3 f6 2. e4 Nh6 3. d4 Nf76 moves
  • Basman Defense1. Nf3 h62 moves
  • Black Mustang Defense1. Nf3 Nc62 moves
  • Drunken Cavalry Variation1. Nf3 Na6 2. e4 Nh64 moves
  • Dutch Variation1. Nf3 f52 moves
  • Herrstrom Gambit1. Nf3 g52 moves
  • Kingside Fianchetto1. Nf3 g62 moves
  • Lisitsyn Gambit1. Nf3 f5 2. e43 moves
  • Lisitsyn Gambit Deferred1. Nf3 f5 2. d3 Nf6 3. e45 moves
  • Pirc Invitation1. Nf3 d62 moves
  • Polish Defense1. Nf3 b52 moves
  • Queen's Gambit Invitation1. Nf3 e62 moves
  • Queenside Fianchetto Variation1. Nf3 b62 moves
  • Ross Gambit1. Nf3 e52 moves
  • Shabalov Gambit1. Nf3 e6 2. c4 a6 3. Nc3 c5 4. g3 b58 moves
  • Sicilian Invitation1. Nf3 c52 moves
  • Slav Invitation1. Nf3 c62 moves
  • Speelsmet Gambit1. Nf3 c5 2. d4 cxd4 3. e35 moves
  • St. George Defense1. Nf3 a62 moves
  • The Walrus1. Nf3 e5 2. Nxe5 Nc6 3. Nxc6 dxc66 moves
  • Vos Gambit1. Nf3 d6 2. d4 e54 moves
  • Wade Defense1. Nf3 d6 2. e4 Bg44 moves
  • Ware Defense1. Nf3 a52 moves

A0513 lines

Families hereKing's Indian AttackPolish OpeningZukertort Opening

  • King's Indian Attack1. Nf3 Nf6 2. g3 d54 moves
  • Smyslov Variation1. Nf3 Nf6 2. g3 g6 3. b45 moves
  • Spassky Variation1. Nf3 Nf6 2. g3 b54 moves
  • Symmetrical Defense1. Nf3 Nf6 2. g3 g64 moves
  • Wahls Defense1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d510 moves
  • Zukertort System1. Nf3 Nf6 2. b4 g6 3. Bb25 moves
  • Zukertort Opening1. Nf3 Nf62 moves
  • Zukertort Opening1. Nf3 Nf6 2. Nc3 Nc64 moves
  • Double Fianchetto Attack1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O11 moves
  • Lemberger Gambit1. Nf3 Nf6 2. e43 moves
  • Myers Polish Attack1. Nf3 Nf6 2. a4 g6 3. b45 moves
  • Nimzo-Larsen Variation1. Nf3 Nf6 2. b33 moves
  • Quiet System1. Nf3 Nf6 2. e33 moves

A0613 lines

Families hereNimzo-Larsen AttackZukertort Opening

  • Classical Variation1. Nf3 d5 2. b33 moves
  • Norfolk Gambit1. Nf3 d5 2. b3 c5 3. e45 moves
  • Norfolk Gambit1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e47 moves
  • Zukertort Opening1. Nf3 d52 moves
  • Ampel Variation1. Nf3 d5 2. Rg13 moves
  • Old Indian Attack1. Nf3 d5 2. d33 moves
  • Pachman Gambit1. Nf3 d5 2. e3 c5 3. c4 dxc4 4. b37 moves
  • Regina-Nu Gambit1. Nf3 d5 2. b3 c5 3. c4 dxc4 4. Nc37 moves
  • Reversed Mexican Defense1. Nf3 d5 2. Nc33 moves
  • Santasiere's Folly1. b4 d5 2. Nf33 moves
  • Tennison Gambit1. e4 d5 2. Nf33 moves
  • Tennison Gambit, Brigg's Trap1. e4 d5 2. Nf3 dxe4 3. Ng5 Nf6 4. Nc3 Bf5 5. Qe2 Qd410 moves
  • The Potato1. Nf3 d5 2. a43 moves

A0719 lines

Families hereHungarian OpeningKing's Indian Attack

  • Wiedenhagen-Beta Gambit1. g3 d5 2. Nf3 g54 moves
  • King's Indian Attack1. Nf3 d5 2. g33 moves
  • with Bf51. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf58 moves
  • with Bf51. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h610 moves
  • with Bf51. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 dxc412 moves
  • with Bf51. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 e6 6. Nbd211 moves
  • with Bf51. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 e6 6. Nh411 moves
  • with e61. Nf3 Nf6 2. g3 d5 3. Bg2 e66 moves
  • with e61. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be78 moves
  • Double Fianchetto1. Nf3 d5 2. g3 g64 moves
  • Keres Variation1. Nf3 d5 2. g3 Bg44 moves
  • Keres Variation1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd76 moves
  • Keres Variation1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd78 moves
  • Keres Variation1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d4 Ngf6 6. c4 e6 7. cxd5 exd5 8. Nc3 Bd616 moves
  • Omega-Delta Gambit1. Nf3 d5 2. g3 e54 moves
  • Pachman System1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne710 moves
  • Sicilian Variation1. Nf3 d5 2. g3 c54 moves
  • Yugoslav Variation1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg48 moves
  • Yugoslav Variation1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 b6 5. O-O9 moves

A088 lines

Families hereKing's Indian AttackZukertort Opening

  • French Variation1. Nf3 d5 2. g3 c5 3. Bg2 Nc66 moves
  • Sicilian Variation1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. O-O O-O 8. Re115 moves
  • Sicilian Variation1. Nf3 d5 2. g3 c5 3. Bg25 moves
  • Sicilian Variation1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d39 moves
  • Reversed Grünfeld1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d47 moves
  • Reversed Grünfeld1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf68 moves
  • Reversed Grünfeld1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O9 moves
  • Reversed Grünfeld1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O9 moves

A099 lines

Families hereRéti Opening

  • Réti Opening1. Nf3 d5 2. c43 moves
  • Advance Variation1. Nf3 d5 2. c4 d44 moves
  • Advance Variation, Michel Gambit1. Nf3 d5 2. c4 d4 3. b4 c56 moves
  • Advance Variation, Navara Gambit1. Nf3 d5 2. c4 d4 3. b4 g56 moves
  • Penguin Variation1. Nf3 d5 2. c4 d4 3. Rg15 moves
  • Reversed Blumenfeld Gambit1. Nf3 d5 2. c4 d4 3. e3 c5 4. b47 moves
  • Réti Accepted1. Nf3 d5 2. c4 dxc44 moves
  • Réti Gambit, Keres Variation1. Nf3 d5 2. c4 dxc4 3. e3 Be66 moves
  • Zilbermints Gambit1. Nf3 d5 2. c4 b54 moves

A1020 lines

Families hereEnglish Opening

  • English Opening1. c41 moves
  • Achilles-Omega Gambit1. c4 Nf6 2. e43 moves
  • Adorjan Defense1. c4 g6 2. e4 e54 moves
  • Anglo-Dutch Defense1. c4 f52 moves
  • Anglo-Dutch Defense, Hickmann Gambit1. c4 f5 2. e43 moves
  • Anglo-Dutch Variation, Chabanon Gambit1. c4 f5 2. Nf3 d6 3. e45 moves
  • Anglo-Dutch Variation, Ferenc Gambit1. c4 f5 2. Nc3 Nf6 3. e45 moves
  • Anglo-Lithuanian Variation1. c4 Nc62 moves
  • Anglo-Scandinavian Defense1. c4 d52 moves
  • Anglo-Scandinavian Defense, Löhn Gambit1. c4 d5 2. cxd5 e64 moves
  • Anglo-Scandinavian Defense, Malvinas Variation1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa56 moves
  • Anglo-Scandinavian Defense, Schulz Gambit1. c4 d5 2. cxd5 Nf64 moves
  • Great Snake Variation1. c4 g62 moves
  • Jaenisch Gambit1. c4 b52 moves
  • King's English Variation, Botvinnik System, Prickly Pawn Pass System1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. e4 d6 6. Nge2 e5 7. O-O c6 8. d3 a616 moves
  • Myers Defense1. c4 g52 moves
  • Myers Gambit1. c4 g5 2. d4 Bg74 moves
  • Porcupine Variation1. c4 f5 2. Nc3 Nf6 3. e4 fxe4 4. g47 moves
  • Wade Gambit1. c4 f5 2. g43 moves
  • Zilbermints Gambit1. c4 g5 2. d4 e54 moves

A1112 lines

Families hereEnglish OpeningRéti Opening

  • Caro-Kann Defensive System1. c4 c62 moves
  • Anglo-Slav Variation, Gurevich System1. c4 c6 2. Nf3 d5 3. e35 moves
  • Anglo-Slav Variation, Gurevich System1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Qc27 moves
  • Anglo-Slav Variation, Gurevich System1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. Qc29 moves
  • Anglo-Slav Variation, Gurevich System1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. b3 e510 moves
  • Anglo-Slav Variation, Gurevich System1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Bd610 moves
  • Anglo-Slav Variation, with g31. c4 c6 2. Nf3 d5 3. g3 Nf6 4. b3 g68 moves
  • Anglo-Slav Variation, with g31. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg27 moves
  • Anglo-Slav Variation, with g31. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc48 moves
  • Anglo-Slav Variation, with g31. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf58 moves
  • Anglo-Slav Variation, with g31. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf5 5. O-O e6 6. d311 moves
  • Anglo-Slav Variation, with g31. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e612 moves

A1221 lines

Families hereRéti Opening

  • Anglo-Slav Variation1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b37 moves
  • Anglo-Slav Variation, Bled Variation1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c68 moves
  • Anglo-Slav Variation, Bogoljubow Variation1. Nf3 d5 2. c4 c6 3. b35 moves
  • Anglo-Slav Variation, Bogoljubow Variation1. Nf3 d5 2. c4 c6 3. b3 Bg46 moves
  • Anglo-Slav Variation, Bogoljubow Variation1. Nf3 d5 2. c4 c6 3. b3 Bf56 moves
  • Anglo-Slav Variation, Bogoljubow Variation1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb27 moves
  • Anglo-Slav Variation, Capablanca Variation1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bg48 moves
  • Anglo-Slav Variation, Capablanca Variation1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bg4 5. e39 moves
  • Anglo-Slav Variation, Capablanca Variation1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bg4 5. d39 moves
  • Anglo-Slav Variation, London Defensive System1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf58 moves
  • Anglo-Slav Variation, London Defensive System1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bg29 moves
  • Anglo-Slav Variation, London Defensive System1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bg2 e6 6. Bb211 moves
  • Anglo-Slav Variation, London Defensive System1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bb29 moves
  • Anglo-Slav Variation, New York System1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf58 moves
  • Anglo-Slav Variation, New York System1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. e39 moves
  • Anglo-Slav Variation, New York System1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. d39 moves
  • Anglo-Slav Variation, Torre System1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg48 moves
  • Anglo-Slav Variation, Torre System1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4 5. Bg29 moves
  • Anglo-Slav Variation, Torre System1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4 5. Bg2 e6 6. Bb211 moves
  • Anglo-Slav Variation, Torre System1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4 5. Bb29 moves
  • Anglo-Slav Variation, with dxc41. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 dxc48 moves

A1316 lines

Families hereEnglish Opening

  • Agincourt Defense1. c4 e62 moves
  • Agincourt Defense1. c4 e6 2. Nf33 moves
  • Agincourt Defense1. c4 e6 2. Nf3 d54 moves
  • Agincourt Defense1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O10 moves
  • Agincourt Defense1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O 6. d411 moves
  • Agincourt Defense, Bogoljubow Defense1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bd68 moves
  • Agincourt Defense, Catalan Defense1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O9 moves
  • Agincourt Defense, Catalan Defense1. c4 e6 2. Nf3 d5 3. g3 c56 moves
  • Agincourt Defense, Catalan Defense Accepted1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc48 moves
  • Agincourt Defense, Catalan Defense, Semi-Slav Defense1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 c68 moves
  • Agincourt Defense, Kurajica Defense1. c4 e6 2. Nf3 d5 3. g3 c66 moves
  • Agincourt Defense, Tarrasch Defense1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c5 5. b3 Nc6 6. O-O Be712 moves
  • Agincourt Defense, Wimpy System1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 c5 5. e39 moves
  • Neo-Catalan1. c4 e6 2. Nf3 d5 3. g3 Nf66 moves
  • Neo-Catalan Declined1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be78 moves
  • Romanishin Gambit1. c4 Nf6 2. Nf3 e6 3. g3 a6 4. Bg2 b58 moves

A1412 lines

Families hereEnglish OpeningRéti Opening

  • Agincourt Defense, Keres Defense1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc614 moves
  • Agincourt Defense, Neo-Catalan Declined1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O9 moves
  • Agincourt Defense, Neo-Catalan Declined1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b311 moves
  • Agincourt Defense, Neo-Catalan Declined1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c512 moves
  • Agincourt Defense, Neo-Catalan Declined1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e313 moves
  • Agincourt Defense, Neo-Catalan Declined1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3 d414 moves
  • Agincourt Defense, Neo-Catalan Declined1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3 Nc614 moves
  • Agincourt Defense, Neo-Catalan Declined, Early b31. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b39 moves
  • Agincourt Defense, Neo-Catalan Declined, Early b31. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 b610 moves
  • Agincourt Defense, Neo-Catalan Declined, Early b31. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 c510 moves
  • Anglo-Slav Variation1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 e6 5. b3 Be7 6. Bb211 moves
  • Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb213 moves

A1515 lines

Families hereEnglish OpeningEnglish Orangutan

  • Anglo-Indian Defense1. c4 Nf62 moves
  • Anglo-Indian Defense, Anti-Anti-Grünfeld1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e47 moves
  • Anglo-Indian Defense, Grünfeld Formation1. c4 Nf6 2. Nf3 g6 3. g3 d56 moves
  • Anglo-Indian Defense, King's Indian Formation1. c4 Nf6 2. Nf3 g64 moves
  • Anglo-Indian Defense, King's Indian Formation, Double Fianchetto1. c4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb78 moves
  • Anglo-Indian Defense, King's Knight Variation1. c4 Nf6 2. Nf33 moves
  • Anglo-Indian Defense, Old Indian Formation1. c4 Nf6 2. Nf3 d64 moves
  • Anglo-Indian Defense, Queen's Indian Formation1. c4 Nf6 2. Nf3 b64 moves
  • Anglo-Indian Defense, Queen's Indian Formation1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb78 moves
  • Anglo-Indian Defense, Romanishin Variation1. c4 e6 2. Nf3 Nf6 3. g3 a66 moves
  • Anglo-Indian Defense, Scandinavian Defense1. c4 Nf6 2. Nf3 d54 moves
  • Anglo-Indian Defense, Scandinavian Defense, Exchange Variation1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd56 moves
  • Anglo-Indian Defense, Slav Formation1. c4 Nf6 2. Nf3 g6 3. g3 c66 moves
  • English Orangutan1. c4 Nf6 2. b43 moves
  • English Orangutan1. c4 Nf6 2. Nf3 g6 3. b45 moves

A167 lines

Families hereEnglish Opening

  • Anglo-Grünfeld Defense1. c4 Nf6 2. Nc3 d54 moves
  • Anglo-Grünfeld Defense, Korchnoi Variation1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e512 moves
  • Anglo-Indian Defense, Anglo-Grünfeld Variation1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf37 moves
  • Anglo-Indian Defense, Anglo-Grünfeld Variation1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g68 moves
  • Anglo-Indian Defense, Anglo-Grünfeld Variation1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb610 moves
  • Anglo-Indian Defense, Anglo-Grünfeld Variation1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc310 moves
  • Anglo-Indian Defense, Queen's Knight Variation1. c4 Nf6 2. Nc33 moves

A176 lines

Families hereEnglish Opening

  • Anglo-Indian Defense1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 c5 5. e3 e610 moves
  • Anglo-Indian Defense, Hedgehog System1. c4 Nf6 2. Nc3 e64 moves
  • Anglo-Indian Defense, Nimzo-English1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb46 moves
  • Anglo-Indian Defense, Queen's Indian Formation1. c4 e6 2. Nc3 Nf6 3. Nf3 b66 moves
  • Anglo-Indian Defense, Queen's Indian Variation1. c4 e6 2. Nc3 Nf6 3. Nf3 b6 4. e4 Bb7 5. Bd39 moves
  • Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. g47 moves

A183 lines

Families hereEnglish Opening

  • Mikenas-Carls Variation1. c4 e6 2. Nc3 Nf6 3. e45 moves
  • Mikenas-Carls Variation1. c4 e6 2. Nc3 Nf6 3. e4 Nc66 moves
  • Mikenas-Carls Variation1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e57 moves

A192 lines

Families hereEnglish Opening

  • Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng88 moves
  • Mikenas-Carls, Sicilian1. c4 e6 2. Nc3 Nf6 3. e4 c56 moves

A205 lines

Families hereEnglish Opening

  • Drill Variation1. c4 e5 2. g3 h54 moves
  • King's English Variation1. c4 e52 moves
  • King's English Variation, Kahiko-Hula Gambit1. c4 e5 2. e3 Nf6 3. f4 exf4 4. Nf37 moves
  • King's English Variation, Nimzowitsch Variation1. c4 e5 2. Nf33 moves
  • King's English Variation, Nimzowitsch-Flohr Variation1. c4 e5 2. Nf3 e44 moves

A216 lines

Families hereEnglish Opening

  • King's English Variation1. c4 e5 2. Nc3 d6 3. Nf35 moves
  • King's English Variation, Keres Defense1. c4 e5 2. Nc3 d6 3. g3 c66 moves
  • King's English Variation, Kramnik-Shirov Counterattack1. c4 e5 2. Nc3 Bb44 moves
  • King's English Variation, Reversed Sicilian1. c4 e5 2. Nc33 moves
  • King's English Variation, Smyslov Defense1. c4 e5 2. Nc3 d6 3. Nf3 Bg46 moves
  • King's English Variation, Troger Defense1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be68 moves

A228 lines

Families hereEnglish Opening

  • Carls-Bremen System1. c4 e5 2. Nc3 Nf6 3. g35 moves
  • King's English Variation, Adhiban Gambit1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 c68 moves
  • King's English Variation, Bellon Gambit1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b58 moves
  • King's English Variation, Two Knights Variation1. c4 e5 2. Nc3 Nf64 moves
  • King's English Variation, Two Knights Variation, Reversed Dragon1. c4 e5 2. Nc3 Nf6 3. g3 d56 moves
  • King's English Variation, Two Knights Variation, Smyslov System1. c4 e5 2. Nc3 Nf6 3. g3 Bb46 moves
  • King's English, Erbenheimer Gambit1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 Ng48 moves
  • King's English, Mazedonisch1. c4 e5 2. Nc3 Nf6 3. f45 moves

A232 lines

Families hereEnglish Opening

  • King's English Variation, Two Knights Variation, Keres Variation1. c4 e5 2. Nc3 Nf6 3. g3 c66 moves
  • King's English Variation, Two Knights Variation, Keres Variation1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c68 moves

A241 lines

Families hereEnglish Opening

  • King's English Variation, Two Knights Variation, Fianchetto Line1. c4 e5 2. Nc3 Nf6 3. g3 g66 moves

A2511 lines

Families hereEnglish Opening

  • Closed, Taimanov Variation1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Rb1 Nh6 5. Bg2 Bg710 moves
  • Closed, Taimanov Variation1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nh612 moves
  • King's English Variation, Bremen-Hort Variation1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be612 moves
  • King's English Variation, Closed System1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d39 moves
  • King's English Variation, Hungarian Attack1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb19 moves
  • King's English Variation, Reversed Closed Sicilian1. c4 e5 2. Nc3 Nc64 moves
  • King's English Variation, Reversed Closed Sicilian1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd59 moves
  • King's English Variation, Reversed Closed Sicilian1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. e4 d6 6. Nge211 moves
  • King's English Variation, Reversed Closed Sicilian1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. e4 d6 6. Nge2 Bg412 moves
  • King's English Variation, Reversed Closed Sicilian1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. e4 O-O 5. Nge2 Nc6 6. Bg211 moves
  • King's English Variation, Taimanov Variation1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg78 moves

A262 lines

Families hereEnglish Opening

  • King's English Variation, Botvinnik System1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e411 moves
  • King's English Variation, Closed System, Full Symmetry1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d610 moves

A271 lines

Families hereEnglish Opening

  • King's English Variation, Three Knights System1. c4 e5 2. Nc3 Nc6 3. Nf35 moves

A289 lines

Families hereEnglish Opening

  • Four Knights System, Nimzowitsch Variation1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e47 moves
  • King's English Variation, Four Knights Variation1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc66 moves
  • King's English Variation, Four Knights Variation1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 Ne516 moves
  • King's English Variation, Four Knights Variation, Bradley Beach Variation1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e48 moves
  • King's English Variation, Four Knights Variation, Flexible Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d37 moves
  • King's English Variation, Four Knights Variation, Korchnoi Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a37 moves
  • King's English Variation, Four Knights Variation, Quiet Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e37 moves
  • King's English Variation, Four Knights Variation, Quiet Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc310 moves
  • King's English Variation, Four Knights Variation, Quiet Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf513 moves

A2914 lines

Families hereEnglish Opening

  • King's English Variation, Four Knights Variation, Fianchetto Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g37 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb48 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 Bxc3 6. dxc3 d6 7. O-O O-O14 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc610 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d311 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3 Be7 7. O-O O-O14 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc61. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O e4 7. Nd4 Nc614 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line, with .. d61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg211 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line, with .. d61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 O-O 7. O-O13 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be71. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. d3 Be7 6. Nf3 O-O12 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 a612 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, h61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 h612 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line, with Bc51. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc512 moves
  • King's English Variation, Four Knights Variation, Fianchetto Line, with Nb61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb612 moves

A306 lines

Families hereEnglish Opening

  • Symmetrical Variation1. c4 c52 moves
  • Symmetrical Variation1. c4 c5 2. Nf33 moves
  • Symmetrical Variation, Hedgehog Defense1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be712 moves
  • Symmetrical Variation, Napolitano Gambit1. c4 c5 2. Nf3 Nf6 3. b45 moves
  • Symmetrical, Hedgehog, Flexible Formation1. 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 Nbd720 moves
  • Wing Gambit1. c4 c5 2. b43 moves

A311 lines

Families hereEnglish Opening

  • Symmetrical Variation, Anti-Benoni Variation1. c4 Nf6 2. d4 c5 3. Nf35 moves

A321 lines

Families hereEnglish Opening

  • Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense1. c4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf68 moves

A332 lines

Families hereEnglish Opening

  • Symmetrical Variation, Anti-Benoni Variation, Geller Variation1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 Nc6 5. g3 cxd4 6. Nxd4 Qb612 moves
  • Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc610 moves

A346 lines

Families hereEnglish Opening

  • Symmetrical Variation1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 cxd410 moves
  • Symmetrical Variation, Fianchetto Variation1. c4 Nf6 2. Nc3 c5 3. g35 moves
  • Symmetrical Variation, Normal Variation1. c4 c5 2. Nc33 moves
  • Symmetrical Variation, Rubinstein Variation1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc710 moves
  • Symmetrical Variation, Rubinstein Variation1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc712 moves
  • Symmetrical Variation, Three Knights Variation1. c4 c5 2. Nc3 Nf6 3. Nf35 moves

A354 lines

Families hereEnglish Opening

  • Symmetrical Variation1. c4 c5 2. Nc3 Nf6 3. Nf3 e56 moves
  • Symmetrical Variation, Four Knights Variation1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc66 moves
  • Symmetrical Variation, Four Knights Variation, Keres-Parma System1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 e68 moves
  • Symmetrical Variation, Two Knights Variation1. c4 c5 2. Nc3 Nc64 moves

A364 lines

Families hereEnglish Opening

  • Symmetrical Variation, Botvinnik System1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg29 moves
  • Symmetrical Variation, Botvinnik System Reversed, with e31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e510 moves
  • Symmetrical Variation, Two Knights, Fianchetto Variation1. c4 c5 2. Nc3 Nc6 3. g35 moves
  • Symmetrical Variation, Ultra-Symmetrical Variation1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc68 moves

A379 lines

Families hereEnglish Opening

  • Symmetrical Variation, Botvinnik System Reversed, with Nf31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e510 moves
  • Symmetrical Variation, Botvinnik System Reversed, with Nf31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O d612 moves
  • Symmetrical Variation, Botvinnik System Reversed, with Nf31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge712 moves
  • Symmetrical Variation, Botvinnik System Reversed, with Nf31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. a313 moves
  • Symmetrical Variation, Botvinnik System Reversed, with Nf31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. d313 moves
  • Symmetrical Variation, Botvinnik System Reversed, with Nf31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. d3 d614 moves
  • Symmetrical Variation, Three Knights, Fianchetto Variation1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf39 moves
  • Symmetrical Variation, Three Knights, Fianchetto Variation1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O d6 6. Nc311 moves
  • Symmetrical Variation, Three Knights, Fianchetto Variation1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. Nc311 moves

A383 lines

Families hereEnglish Opening

  • Symmetrical Variation, Double Fianchetto1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b313 moves
  • Symmetrical Variation, Duchamp Variation1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. d313 moves
  • Symmetrical Variation, Full Symmetry Line1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg710 moves

A391 lines

Families hereEnglish Opening

  • Symmetrical Variation, Mecking Variation1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d413 moves

A4052 lines

Families hereAustralian DefenseBenoni DefenseBorg DefenseColle SystemEnglish DefenseEnglund GambitEnglund Gambit DeclinedHorwitz DefenseKangaroo DefenseMikenas DefenseModern DefenseMontevideo DefensePolish DefensePterodactyl DefenseQueen's Pawn GameSlav IndianZaire Defense

  • Australian Defense1. d4 Na62 moves
  • Franco-Sicilian Hybrid1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Nf3 Ne714 moves
  • Borg Gambit1. d4 g52 moves
  • Pterodactyl Variation1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 Qa5+8 moves
  • Siroccopteryx Variation1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 cxd4 5. Nxd4 Qa5+10 moves
  • English Defense1. d4 b62 moves
  • English Defense1. d4 e6 2. c4 b64 moves
  • Eastbourne Gambit1. d4 b6 2. c4 Bb7 3. Nc3 e56 moves
  • Hartlaub Gambit Accepted1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. exf5 Nf610 moves
  • Hartlaub Gambit Declined1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. d59 moves
  • Perrin Variation1. d4 e6 2. c4 b6 3. e4 Bb7 4. Bd3 Nc68 moves
  • Poli Gambit1. d4 e6 2. c4 b6 3. e4 Bb7 4. f3 f5 5. exf5 Nh610 moves
  • Englund Gambit1. d4 e52 moves
  • Englund Gambit Declined1. d4 e5 2. d53 moves
  • Diemer Counterattack1. d4 e5 2. d5 Bc5 3. e4 Qh46 moves
  • Reversed Alekhine1. d4 e5 2. Nf33 moves
  • Reversed Brooklyn1. d4 e5 2. Nf3 e4 3. Ng15 moves
  • Reversed French1. d4 e5 2. e33 moves
  • Reversed Krebs1. d4 e5 2. Nf3 e44 moves
  • Reversed Mokele Mbembe1. d4 e5 2. Nf3 e4 3. Ne55 moves
  • Felbecker Gambit1. d4 e5 2. dxe5 Nc6 3. Nf3 Bc56 moves
  • Hartlaub-Charlick Gambit1. d4 e5 2. dxe5 d64 moves
  • Main Line1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe76 moves
  • Mosquito Gambit1. d4 e5 2. dxe5 Qh44 moves
  • Soller Gambit1. d4 e5 2. dxe5 f64 moves
  • Soller Gambit Deferred1. d4 e5 2. dxe5 Nc6 3. Nf3 f66 moves
  • Stockholm Variation1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd57 moves
  • Zilbermints Gambit1. d4 e5 2. dxe5 Nc6 3. Nf3 Nge76 moves
  • Horwitz Defense1. d4 e62 moves
  • Zilbermints Gambit1. d4 e6 2. c4 e54 moves
  • Kangaroo Defense1. d4 e6 2. c4 Bb4+4 moves
  • Keres Defense, Transpositional Variation1. d4 e6 2. c4 Bb4+ 3. Nc35 moves
  • Mikenas Defense1. d4 Nc62 moves
  • Cannstatter Variation1. d4 Nc6 2. c4 e5 3. d5 Nd46 moves
  • Lithuanian Variation1. d4 Nc6 2. c4 e5 3. d5 Nce76 moves
  • Pozarek Gambit1. d4 Nc6 2. c4 e5 3. dxe5 Nxe5 4. Nc3 Nxc48 moves
  • Beefeater Variation1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f510 moves
  • Lizard Defense, Pirc-Diemer Gambit1. d4 g6 2. h4 Nf6 3. h55 moves
  • Montevideo Defense1. d4 Nc6 2. d5 Nb84 moves
  • Polish Defense1. d4 b52 moves
  • Spassky Gambit Accepted1. d4 b5 2. e4 Bb7 3. Bxb55 moves
  • Central, Benoni Beefeater Pterodactyl1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Bxc3+ 6. bxc3 Qa512 moves
  • Central, Benoni Pterodactyl1. d4 g6 2. c4 Bg7 3. e4 c5 4. d5 Qa5+8 moves
  • Fianchetto, Queen Benoni Pterodactyl1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Qa58 moves
  • Fianchetto, Queen Pteranodon1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa510 moves
  • Fianchetto, Queen Pterodactyl1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+8 moves
  • Queen Pterodactyl, Quiet Line1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e37 moves
  • Queen's Pawn Game1. d41 moves
  • Anglo-Slav Opening1. d4 c6 2. c4 d64 moves
  • Modern Defense1. d4 g62 moves
  • Kudischewitsch Gambit1. d4 c6 2. Nf3 Nf6 3. c4 b56 moves
  • Zaire Defense1. d4 Nc6 2. d5 Nb8 3. e4 Nf6 4. e5 Ng88 moves

A4111 lines

Families hereModern DefenseOld Indian DefenseQueen's Pawn GameRat DefenseRobatsch DefenseWade DefenseZukertort Opening

  • Modern Defense1. d4 g6 2. c4 Bg7 3. Nc3 d66 moves
  • Neo-Modern Defense1. d4 g6 2. c4 Bg7 3. e4 e56 moves
  • Old Indian Defense1. d4 d6 2. c43 moves
  • Queen's Pawn Game1. d4 d62 moves
  • Rossolimo Variation1. d4 d6 2. Nf3 g64 moves
  • English Rat1. d4 d6 2. c4 e54 moves
  • English Rat, Lisbon Gambit1. d4 d6 2. c4 e5 3. dxe5 Nc66 moves
  • English Rat, Pounds Gambit1. d4 d6 2. c4 e5 3. dxe5 Be66 moves
  • Rossolimo Variation1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. e4 Bg48 moves
  • Wade Defense1. d4 d6 2. Nf3 Bg44 moves
  • Wade Defense, Chigorin Plan1. d4 d6 2. Nf3 Bg4 3. c4 Nd7 4. Qb3 Rb88 moves

A426 lines

Families hereModern DefensePterodactyl Defense

  • Averbakh System1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e47 moves
  • Averbakh Variation, Pseudo-Sämisch1. d4 g6 2. c4 Bg7 3. e4 d6 4. Be3 Nf6 5. f39 moves
  • Kotov Variation1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc68 moves
  • Randspringer Variation1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 f58 moves
  • Pterodactyl Defense1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qa5+ 5. Nc3 d610 moves
  • Central, Bogolubovia1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 c5 5. Nge2 Qa510 moves

A4320 lines

Families hereBenoni DefenseIndian DefenseQueen's Pawn Game

  • Benoni Gambit Accepted1. d4 c5 2. dxc53 moves
  • Benoni Gambit, Schlenker Defense1. d4 c5 2. dxc5 Na64 moves
  • Benoni-Indian Defense1. d4 c5 2. d5 Nf64 moves
  • Benoni-Indian Defense, Kingside Move Order1. d4 c5 2. d5 Nf6 3. Nf35 moves
  • Benoni-Staunton Gambit1. d4 c5 2. d5 f5 3. e45 moves
  • Cormorant Gambit1. d4 c5 2. dxc5 b64 moves
  • French Benoni1. e4 e6 2. d4 c5 3. d55 moves
  • Hawk Variation1. d4 Nf6 2. Nf3 c5 3. d5 c46 moves
  • Old Benoni1. d4 c52 moves
  • Old Benoni1. d4 c5 2. d53 moves
  • Old Benoni1. d4 c5 2. d5 d64 moves
  • Old Benoni, Mujannah Formation1. d4 c5 2. d5 f54 moves
  • Old Benoni, Schmid Variation1. d4 c5 2. d5 d6 3. Nc3 g66 moves
  • Snail Variation1. d4 c5 2. d5 Na64 moves
  • Woozle1. d4 c5 2. d5 Nf6 3. Nc3 Qa56 moves
  • Zilbermints-Benoni Gambit1. d4 c5 2. b43 moves
  • Zilbermints-Benoni Gambit1. d4 c5 2. Nf3 cxd4 3. b45 moves
  • Zilbermints-Benoni Gambit, Tamarkin Countergambit1. d4 c5 2. Nf3 cxd4 3. b4 e56 moves
  • Pseudo-Benko1. d4 Nf6 2. Nf3 c5 3. d5 b56 moves
  • Liedmann Gambit1. d4 c5 2. c4 cxd4 3. e35 moves

A442 lines

Families hereBenoni Defense

  • Old Benoni1. d4 c5 2. d5 e54 moves
  • Semi-Benoni1. d4 c5 2. d5 e5 3. e4 d66 moves

A4532 lines

Families hereAmazon AttackBasque OpeningCanard OpeningIndian DefensePaleface AttackQueen's Pawn GameTrompowsky Attack

  • Siberian Attack1. d4 Nf6 2. Nc3 d5 3. Qd35 moves
  • Basque Opening1. d4 Nf6 2. b33 moves
  • Canard Opening1. d4 Nf6 2. f43 moves
  • Indian Defense1. d4 Nf62 moves
  • Accelerated London System1. d4 Nf6 2. Bf43 moves
  • Gedult Attack1. d4 Nf6 2. f3 d5 3. g45 moves
  • Gibbins-Weidenhagen Gambit1. d4 Nf6 2. g43 moves
  • Gibbins-Weidenhagen Gambit Accepted1. d4 Nf6 2. g4 Nxg44 moves
  • Gibbins-Weidenhagen Gambit, Maltese Falcon1. d4 Nf6 2. g4 Nxg4 3. f3 Nf6 4. e47 moves
  • Gibbins-Weidenhagen Gambit, Oshima Defense1. d4 Nf6 2. g4 e54 moves
  • Gibbins-Weidenhagen Gambit, Stummer Gambit1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. Be2 Nf6 5. Nc39 moves
  • Lazard Gambit1. d4 Nf6 2. Nd2 e54 moves
  • Maddigan Gambit1. d4 Nf6 2. Nc3 e54 moves
  • Omega Gambit1. d4 Nf6 2. e43 moves
  • Omega Gambit, Arafat Gambit1. d4 Nf6 2. e4 Nxe4 3. Bd3 Nf6 4. Bg57 moves
  • Paleface Attack, Blackmar-Diemer Gambit Deferred1. d4 Nf6 2. f3 d5 3. e45 moves
  • Pawn Push Variation1. d4 Nf6 2. d53 moves
  • Reversed Chigorin Defense1. d4 Nf6 2. Nc3 c54 moves
  • Tartakower Attack1. d4 Nf6 2. g33 moves
  • Paleface Attack1. d4 Nf6 2. f33 moves
  • Chigorin Variation1. d4 Nf6 2. Nc3 d54 moves
  • Veresov, Richter Attack1. d4 Nf6 2. f3 d5 3. Nc35 moves
  • Trompowsky Attack1. d4 Nf6 2. Bg53 moves
  • Borg Variation1. d4 Nf6 2. Bg5 Ne4 3. Bf4 g56 moves
  • Classical Defense1. d4 Nf6 2. Bg5 e64 moves
  • Classical Defense, Big Center Variation1. d4 Nf6 2. Bg5 e6 3. e45 moves
  • Edge Variation1. d4 Nf6 2. Bg5 Ne4 3. Bh45 moves
  • Edge Variation, Hergert Gambit1. d4 Nf6 2. Bg5 Ne4 3. Bh4 c6 4. Nd2 Qa5 5. c3 Nxd2 6. Qxd2 d5 7. e413 moves
  • Edge Variation, Hergert Gambit1. d4 Nf6 2. Bg5 Ne4 3. Bh4 d5 4. f3 Nf6 5. Nc3 Bf5 6. e411 moves
  • Poisoned Pawn Variation1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Nc37 moves
  • Raptor Variation1. d4 Nf6 2. Bg5 Ne4 3. h45 moves
  • Raptor Variation, Hergert Gambit1. d4 Nf6 2. Bg5 Ne4 3. h4 Nxg5 4. hxg5 e58 moves

A4615 lines

Families hereDöry DefenseIndian DefenseQueen's Pawn GameTorre AttackYusupov-Rubinstein System

  • Döry Defense1. d4 Nf6 2. Nf3 Ne44 moves
  • Czech-Indian1. d4 Nf6 2. Nf3 c64 moves
  • Knights Variation1. d4 Nf6 2. Nf33 moves
  • Knights Variation, Alburt-Miles Variation1. d4 Nf6 2. Nf3 a64 moves
  • London System1. d4 Nf6 2. Nf3 e6 3. Bf45 moves
  • Polish Variation1. d4 Nf6 2. Nf3 b54 moves
  • Spielmann-Indian1. d4 Nf6 2. Nf3 c54 moves
  • Wade-Tartakower Defense1. d4 Nf6 2. Nf3 d64 moves
  • Torre Attack, Breyer Variation1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. e3 c5 5. c3 Qb610 moves
  • Veresov Attack, Classical Defense1. d4 Nf6 2. Nf3 e6 3. Nc3 d5 4. Bg57 moves
  • Classical Defense1. d4 Nf6 2. Nf3 e6 3. Bg55 moves
  • Classical Defense, Nimzowitsch Variation1. d4 Nf6 2. Nf3 e6 3. Bg5 h66 moves
  • Classical Defense, Petrosian Gambit1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 b6 5. d59 moves
  • Wagner Gambit1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e47 moves
  • Yusupov-Rubinstein System1. d4 Nf6 2. Nf3 e6 3. e35 moves

A475 lines

Families hereIndian DefenseMarienbad SystemPseudo Queen's Indian Defense

  • Schnepper Gambit1. d4 Nf6 2. Nf3 b6 3. c3 e56 moves
  • Marienbad System1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c58 moves
  • Berg Variation1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd411 moves
  • Pseudo Queen's Indian Defense1. d4 Nf6 2. Nf3 b64 moves
  • Pseudo Queen's Indian Defense1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. Bd3 e6 5. Nbd2 c5 6. b3 Be712 moves

A4816 lines

Families hereEast Indian DefenseIndian DefenseLondon SystemQueen's Pawn GameTorre Attack

  • East Indian Defense1. d4 Nf6 2. Nf3 g64 moves
  • Colle System, King's Indian Variation1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d68 moves
  • London System1. d4 Nf6 2. Nf3 g6 3. Bf45 moves
  • London System1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e37 moves
  • London System1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d68 moves
  • with Bd31. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd39 moves
  • with Be21. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be29 moves
  • with Be21. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O10 moves
  • with Be21. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 c5 6. Be211 moves
  • Barry Attack1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf47 moves
  • Barry Attack1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg78 moves
  • Barry Attack, Grünfeld Variation1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Be211 moves
  • Barry Attack, Tarzan Attack1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. Qd29 moves
  • Torre Attack, Grünfeld Variation, Main Line1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 O-O10 moves
  • Fianchetto Defense1. d4 Nf6 2. Nf3 g6 3. Bg55 moves
  • Fianchetto Defense, Euwe Variation1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c58 moves

A491 lines

Families hereIndian Defense

  • Przepiorka Variation1. d4 Nf6 2. Nf3 g6 3. g35 moves

A507 lines

Families hereIndian DefenseMexican DefenseQueen's Indian AcceleratedSlav Indian

  • Medusa Gambit1. d4 Nf6 2. c4 g54 moves
  • Normal Variation1. d4 Nf6 2. c43 moves
  • Pyrenees Gambit1. d4 Nf6 2. c4 b54 moves
  • Mexican Defense1. d4 Nf6 2. c4 Nc64 moves
  • Horsefly Gambit1. d4 Nf6 2. c4 Nc6 3. d5 Ne5 4. f47 moves
  • Queen's Indian Accelerated1. d4 Nf6 2. c4 b64 moves
  • Slav Indian1. d4 Nf6 2. c4 c64 moves

A515 lines

Families hereIndian Defense

  • Budapest Gambit1. d4 Nf6 2. c4 e54 moves
  • Budapest Gambit Accepted1. d4 Nf6 2. c4 e5 3. dxe55 moves
  • Budapest Gambit Accepted, Fajarowicz Defense1. d4 Nf6 2. c4 e5 3. dxe5 Ne46 moves
  • Budapest Gambit Accepted, Fajarowicz Defense, Bonsdorf Variation1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. a37 moves
  • Budapest Gambit Accepted, Fajarowicz Defense, Steiner Variation1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Qc27 moves

A526 lines

Families hereIndian Defense

  • Budapest Gambit Accepted, Main Line1. d4 Nf6 2. c4 e5 3. dxe5 Ng46 moves
  • Budapest Gambit Accepted, Main Line, Adler Variation1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf37 moves
  • Budapest Gambit Accepted, Main Line, Alekhine Variation1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e47 moves
  • Budapest Gambit Accepted, Main Line, Alekhine Variation, Abonyi Variation1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe58 moves
  • Budapest Gambit Accepted, Main Line, Alekhine Variation, Tartakower Defense1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 d68 moves
  • Budapest Gambit Accepted, Main Line, Rubinstein Variation1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf47 moves

A538 lines

Families hereOld Indian Defense

  • Old Indian Defense1. d4 Nf6 2. c4 d64 moves
  • Aged Gibbon Gambit1. d4 Nf6 2. c4 d6 3. g45 moves
  • Czech Variation, with Nc31. d4 Nf6 2. c4 d6 3. Nc3 c66 moves
  • Czech Variation, with Nf31. d4 Nf6 2. c4 d6 3. Nf3 c66 moves
  • Janowski Variation1. d4 Nf6 2. c4 d6 3. Nc3 Bf56 moves
  • Janowski Variation, Fianchetto Variation1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. g37 moves
  • Janowski Variation, Grinberg Gambit1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. e47 moves
  • Janowski Variation, Main Line1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. f37 moves

A544 lines

Families hereOld Indian Defense

  • Duz-Khotimirsky Variation1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e3 Nbd7 5. Bd39 moves
  • Tartakower-Indian1. d4 Nf6 2. c4 d6 3. Nf3 Bg46 moves
  • Two Knights Variation1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf37 moves
  • Ukrainian Variation1. d4 Nf6 2. c4 d6 3. Nc3 e56 moves

A551 lines

Families hereOld Indian Defense

  • Normal Variation1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf39 moves

A567 lines

Families hereBenoni DefenseGrünfeld DefenseVulture Defense

  • Benoni Defense1. d4 Nf6 2. c4 c54 moves
  • Czech Benoni Defense1. d4 Nf6 2. c4 c5 3. d5 e56 moves
  • Hromádka System1. d4 Nf6 2. c4 c5 3. d5 d66 moves
  • King's Indian System1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g610 moves
  • Weenink Variation1. d4 Nf6 2. c4 c5 3. dxc5 e66 moves
  • Three Knights Variation, Burille Variation, Reversed Tarrasch1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 Bg7 5. Nf3 O-O 6. Be2 cxd4 7. exd4 d5 8. O-O Nc616 moves
  • Vulture Defense1. d4 Nf6 2. c4 c5 3. d5 Ne46 moves

A5715 lines

Families hereBenko GambitBenko Gambit AcceptedBenko Gambit Declined

  • Benko Gambit1. d4 Nf6 2. c4 c5 3. d5 b56 moves
  • Benko Gambit Accepted1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a68 moves
  • Dlugy Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f39 moves
  • Modern Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e39 moves
  • Pawn Return Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b69 moves
  • Bishop Attack1. d4 Nf6 2. c4 c5 3. d5 b5 4. Bg57 moves
  • Hjørring Countergambit1. d4 Nf6 2. c4 c5 3. d5 b5 4. e47 moves
  • Main Line1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf37 moves
  • Pseudo-Sämisch1. d4 Nf6 2. c4 c5 3. d5 b5 4. f37 moves
  • Quiet Line1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd27 moves
  • Sosonko Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. a47 moves
  • Mutkin Countergambit1. d4 Nf6 2. c4 c5 3. d5 b5 4. g47 moves
  • Nescafe Frappe Attack1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc415 moves
  • Zaitsev System1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc39 moves
  • Zaitsev Variation, Nescafe Frappe Attack1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb513 moves

A585 lines

Families hereBenko Gambit AcceptedBenko Gambit

  • Central Storming Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. f413 moves
  • Fianchetto Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Bg2 Bg7 9. Nf317 moves
  • Fully Accepted Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa69 moves
  • Fianchetto Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g315 moves
  • Nd2 Variation1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd215 moves

A594 lines

Families hereBenko GambitBenko Gambit Accepted

  • Benko Gambit1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g317 moves
  • King Walk Variation1. 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. Kg221 moves
  • Yugoslav1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e413 moves
  • Yugoslav1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nge217 moves

A602 lines

Families hereBenoni Defense

  • Modern Variation1. d4 Nf6 2. c4 c5 3. d5 e66 moves
  • Modern Variation, Snake Variation1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 Bd610 moves

A614 lines

Families hereBenoni Defense

  • Benoni Defense1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g612 moves
  • Fianchetto Variation1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g313 moves
  • Knight's Tour Variation1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd213 moves
  • Uhlmann Variation1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg513 moves

A621 lines

Families hereBenoni Defense

  • Fianchetto Variation1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O16 moves

A631 lines

Families hereBenoni Defense

  • Fianchetto Variation, Hastings Defense1. 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 Nbd718 moves

A641 lines

Families hereBenoni Defense

  • Fianchetto Variation, Hastings Defense, Main Line1. 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 Re822 moves

A659 lines

Families hereBenoni Defense

  • King's Pawn Line1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e411 moves
  • King's Pawn Line1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg714 moves
  • King's Pawn Line1. 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. cxd517 moves
  • King's Pawn Line, with Be31. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Be315 moves
  • King's Pawn Line, with Bg51. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d513 moves
  • King's Pawn Line, with Bg51. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Bg515 moves
  • King's Pawn Line, with Bg51. 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. exd517 moves
  • King's Pawn Line, with Nge21. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Nge215 moves
  • King's Pawn Line, with Nge21. 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. cxd517 moves

A662 lines

Families hereBenoni Defense

  • Mikenas Variation1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e515 moves
  • Pawn Storm Variation1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f413 moves

A671 lines

Families hereBenoni Defense

  • Taimanov Variation1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+15 moves

A681 lines

Families hereBenoni Defense

  • Four Pawns Attack1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O16 moves

A691 lines

Families hereBenoni Defense

  • Four Pawns Attack, Main Line1. 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 Re818 moves

A703 lines

Families hereBenoni Defense

  • Classical Variation1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e413 moves
  • Classical Variation, New York Variation1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h315 moves
  • Classical Variation, Traditional Variation1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be215 moves

A711 lines

Families hereBenoni Defense

  • Classical Variation, Averbakh-Grivas Attack1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg515 moves

A721 lines

Families hereBenoni Defense

  • Classical Variation1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O16 moves

A731 lines

Families hereBenoni Defense

  • Classical Variation, Main Line1. 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-O17 moves

A741 lines

Families hereBenoni Defense

  • Classical Variation, Full Line1. 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. a419 moves

A751 lines

Families hereBenoni Defense

  • Classical Variation, Argentine Counterattack1. 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 Bg420 moves

A761 lines

Families hereBenoni Defense

  • Classical Variation, Czerniak Defense1. 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 Re818 moves

A771 lines

Families hereBenoni Defense

  • Classical Variation, Czerniak Defense, Tal Line1. 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. Nd219 moves

A781 lines

Families hereBenoni Defense

  • Classical Variation, Czerniak Defense1. 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 Na620 moves

A791 lines

Families hereBenoni Defense

  • Classical Variation, Czerniak Defense1. 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. f321 moves

A8019 lines

Families hereDutch DefenseQueen's Pawn Game

  • Dutch Defense1. d4 f52 moves
  • Alapin Variation1. d4 f5 2. Qd33 moves
  • Barcza Variation1. d4 f5 2. Nf3 Nf6 3. c35 moves
  • Hevendehl Gambit1. d4 f5 2. g4 e54 moves
  • Hopton Attack1. d4 f5 2. Bg53 moves
  • Janzen-Korchnoi Gambit1. d4 f5 2. h3 Nf6 3. g45 moves
  • Kingfisher Gambit1. d4 f5 2. Nc3 d5 3. e45 moves
  • Korchnoi Attack1. d4 f5 2. h33 moves
  • Krejcik Gambit1. d4 f5 2. g43 moves
  • Krejcik Gambit, Tate Gambit1. d4 f5 2. g4 fxg4 3. e4 d5 4. Nc37 moves
  • Manhattan Gambit, Anti-Classical Line1. d4 f5 2. Qd3 e6 3. g45 moves
  • Manhattan Gambit, Anti-Leningrad1. d4 f5 2. Qd3 g6 3. g45 moves
  • Manhattan Gambit, Anti-Modern1. d4 f5 2. Qd3 d6 3. g45 moves
  • Manhattan Gambit, Anti-Stonewall1. d4 f5 2. Qd3 d5 3. g45 moves
  • Omega-Isis Gambit1. d4 f5 2. Nf3 e54 moves
  • Raphael Variation1. d4 f5 2. Nc33 moves
  • Senechaud Gambit1. d4 f5 2. Bf4 e6 3. g45 moves
  • Spielmann Gambit1. d4 f5 2. Nc3 Nf6 3. g45 moves
  • Veresov Attack, Dutch System1. d4 f5 2. Nc3 d54 moves

A815 lines

Families hereDutch Defense

  • Blackburne Variation1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nh37 moves
  • Fianchetto Attack1. d4 f5 2. g33 moves
  • Leningrad Variation, Carlsbad Variation1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh37 moves
  • Leningrad, Basman System1. d4 f5 2. g3 c6 3. Bg2 g6 4. Nf3 Bg7 5. O-O Nh610 moves
  • Semi-Leningrad Variation1. d4 f5 2. g3 Nf6 3. Bg2 g66 moves

A826 lines

Families hereDutch DefenseRat Defense

  • Blackmar's Second Gambit1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f37 moves
  • Staunton Gambit1. d4 f5 2. e43 moves
  • Staunton Gambit Accepted1. d4 f5 2. e4 fxe44 moves
  • Staunton Gambit, American Attack1. d4 f5 2. e4 fxe4 3. Nd25 moves
  • Staunton Gambit, Tartakower Variation1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g47 moves
  • Balogh Defense1. e4 d6 2. d4 f54 moves

A835 lines

Families hereDutch Defense

  • Staunton Gambit1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg57 moves
  • Staunton Gambit, Alekhine Variation1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. h49 moves
  • Staunton Gambit, Chigorin Variation1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c68 moves
  • Staunton Gambit, Lasker Variation1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f39 moves
  • Staunton Gambit, Nimzowitsch Variation1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 b68 moves

A847 lines

Families hereDutch Defense

  • Dutch Defense1. d4 f5 2. c43 moves
  • Bellon Gambit1. d4 f5 2. c4 e6 3. e45 moves
  • Bladel Variation1. d4 f5 2. c4 g6 3. Nc3 Nh66 moves
  • Classical Variation1. d4 f5 2. c4 e64 moves
  • Krause Variation1. d4 f5 2. c4 Nf6 3. Nc3 d6 4. Nf3 Nc68 moves
  • Normal Variation1. d4 f5 2. c4 Nf64 moves
  • Rubinstein Variation1. d4 f5 2. c4 e6 3. Nc35 moves

A851 lines

Families hereDutch Defense

  • Queen's Knight Variation1. d4 f5 2. c4 Nf6 3. Nc35 moves

A863 lines

Families hereDutch Defense

  • Fianchetto Variation1. d4 f5 2. c4 Nf6 3. g35 moves
  • Hort-Antoshin System1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5. Nc3 Qc710 moves
  • Leningrad Variation1. d4 f5 2. c4 Nf6 3. g3 g66 moves

A871 lines

Families hereDutch Defense

  • Leningrad Variation1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf39 moves

A881 lines

Families hereDutch Defense

  • Leningrad Variation, Warsaw Variation1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c614 moves

A891 lines

Families hereDutch Defense

  • Leningrad Variation, Matulovic Variation1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 Nc614 moves

A905 lines

Families hereDutch Defense

  • Classical Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg27 moves
  • Classical Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 5. Nf39 moves
  • Nimzo-Dutch Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+8 moves
  • Nimzo-Dutch Variation, Alekhine Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Be710 moves
  • Stonewall Variation, Modern Variation1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd612 moves

A912 lines

Families hereDutch Defense

  • Classical Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be78 moves
  • Classical Variation, Blackburne Attack1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nh39 moves

A924 lines

Families hereDutch Defense

  • Alekhine Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne412 moves
  • Classical Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O10 moves
  • Stonewall Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc313 moves
  • Stonewall Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d512 moves

A931 lines

Families hereDutch Defense

  • Stonewall Variation, Botvinnik Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b313 moves

A941 lines

Families hereDutch Defense

  • Stonewall Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba315 moves

A952 lines

Families hereDutch Defense

  • Stonewall Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c614 moves
  • Stonewall Variation, Chekhover Variation1. 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. Bg517 moves

A963 lines

Families hereDutch Defense

  • Classical Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d612 moves
  • Classical Variation, Buenos Aires Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 a514 moves
  • Classical Variation, Huisl Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Ne414 moves

A972 lines

Families hereDutch Defense

  • Classical Variation, Ilyin-Zhenevsky Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe814 moves
  • Classical Variation, Ilyin-Zhenevsky Variation, Winter Variation1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Re115 moves

A981 lines

Families hereDutch Defense

  • Classical Variation, Ilyin-Zhenevsky Variation, Alatortsev-Lisitsyn Line1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Qc215 moves

A991 lines

Families hereDutch Defense

  • Classical Variation, Ilyin-Zhenevsky Variation, Modern Main Line1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b315 moves

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