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ECOOpeningMoves
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A00Anderssen Opening1.a3
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Polish Gambit1.a3 a5 2.b4
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Hippopotamus Attack
1.a3 e5 2.b3 d5 3.c3 Nf6 4.d3 Nc6 5.e3 Bd6 6.f3 O-O 7.g3
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Shy Attack
1.a3 e5 2.g3 d5 3.Bg2 Nf6 4.d3 Nc6 5.Nd2 Bd6 6.e3 O-O 7.h3
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Creepy Crawly Formation1.a3 e5 2.h3 d5
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Sodium Attack1.Na3
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Durkin Gambit1.Na3 e5 2.Nc4 Nc6 3.e4 f5
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Celadon var.1.Na3 e5 2.d3 Bxa3 3.bxa3 d5 4.e3 c5 5.Rb1
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Chenoboskion var.1.Na3 g6 2.g4
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Ware Opening1.a4
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Cologne Gambit1.a4 b6 2.d4 d5 3.Nc3 Nd7
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Wing Gambit1.a4 b5 2.axb5 Bb7
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Meadow Hay Trap1.a4 e5 2.Ra3
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Ware Gambit1.a4 e5 2.a5 d5 3.e3 f5 4.a6
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Crab var.1.a4 e5 2.h4
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Polish Opening1.b4
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Bucker Defense1.b4 Na6
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Symmetrical var.1.b4 b5
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Outflank var.1.b4 c6
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Outflank, Schühler Gambit1.b4 c6 2.Bb2 a5 3.b5 cxb5 4.e4
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Grigorian var.1.b4 Nc6
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Birmingham Gambit1.b4 c5
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Myers var.1.b4 d5 2.Bb2 c6 3.a4
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German Defense1.b4 d5 2.Bb2 Qd6
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German, Orangutan-Diemer Gambit1.b4 d5 2.Bb2 Qd6 3.a3 e5 4.e4 dxe4 5.f3
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Baltic Defense1.b4 d5 2.Bb2 Bf5
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Bugayev Attack1.b4 e5 2.a3
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Kucharkowski-Meybohm Gambit1.b4 e5 2.Bb2 Bxb4 3.f4
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Wolferts Gambit1.b4 e5 2.Bb2 c5
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Czech Defense1.b4 e5 2.Bb2 d6
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Bugayev Advance var.1.b4 e5 2.Bb2 f6 3.b5
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Tartakower Gambit1.b4 e5 2.Bb2 f6 3.e4
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Tartakower, Brinckmann var.1.b4 e5 2.Bb2 f6 3.e4 Bxb4 4.Bc4 Nc6 5.f4 Qe7 6.f5 g6
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Schiffler-Sokolsky var.1.b4 Nf6 2.Bb2 d5 3.e3 e6 4.b5
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Orangutan-Hartlaub Gambit1.b4 Nf6 2.Bb2 e6 3.a3 c6 4.d3 a5 5.bxa5 d5 6.e4
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Queenside Defense1.b4 Nf6 2.Bb2 e6 3.b5 a6
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Queenside, Rook Exchange Line1.b4 Nf6 2.Bb2 e6 3.b5 a6 4.a4 axb5 5.axb5 Rxa1 6.Bxa1
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Queen's Indian var.1.b4 Nf6 2.Bb2 e6 3.b5 b6
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King's Indian Defense1.b4 Nf6 2.Bb2 g6
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King's Indian, Sokolsky Attack1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.e3 d6 5.Nf3 0-0 6.d4
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King's Indian, Schiffler Attack1.b4 Nf6 2.Bb2 g6 3.e4
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King's Indian, Polish Spike var.1.b4 Nf6 2.Bb2 g6 3.g4
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Zukertort System1.b4 Nf6 2.Nf3
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Dutch Defense1.b4 f5
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Karniewski var.1.b4 Nh6
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Saragossa Opening1.c3
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Cabbage Attack
1.c3 e5 2.a3 d5 3.b3 Nf6 4.Bb2 Nc6 5.a4 Bd6 6.g3 0-0 7.e3
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Hayward var.1.c3 e5 2.Qc2
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Van Geet Opening1.Nc3
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St. George Defense1.Nc3 a6
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Laroche Gambit1.Nc3 b5
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Twyble Attack1.Nc3 c5 2.Rb1
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Düsseldorf Gambit1.Nc3 c5 2.b4
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Novosibirsk var.1.Nc3 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qh4
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Sicilian Two Knights var.1.Nc3 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4
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Hergert Gambit1.Nc3 d6 2.f4 e5 3.fxe5 Nc6
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Venezolana var.1.Nc3 d5 2.d3 Nf6 3.g3
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Sleipnir Gambit1.Nc3 d5 2.e3 e5 3.d4 Bb4
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Hulsemann Gambit1.Nc3 d5 2.e3 e5 3.Qh5 Be6
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Liebig Gambit1.Nc3 d5 2.e3 e5 3.Qh5 Nf6
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Delayed Keoni-Hiva Gambit1.Nc3 d5 2.e3 Nf6 3.a3 e5 4.f4 exf4 5.Nf3
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Melleby Gambit1.Nc3 d5 2.f4 d4 3.Ne4 c5
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Pfeiffer Gambit1.Nc3 d5 2.f4 d4 3.Ne4 e5
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Pfeiffer, Sleipnir Countergambit1.Nc3 d5 2.f4 d4 3.Ne4 e5 4.Nf3
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Jendrossek Gambit1.Nc3 d5 2.f4 d4 3.Ne4 f5 4.Nf2 Nf6 5.Nf3 c5 6.b4
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Damhaug Gambit1.Nc3 d5 2.f4 e5
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Warsteiner Gambit1.Nc3 d5 2.f4 g5
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Reversed Nimzowitsch var.1.Nc3 e5
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Reversed Nimzowitsch, Battambang var.1.Nc3 e5 2.a3
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Reversed Nimzowitsch, Gladbacher Gambit1.Nc3 e5 2.b3 d5 3.e4 dxe4 4.d3
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Reversed Nimzowitsch, Reversed Scandinavian var.1.Nc3 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qa4
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Reversed Nimzowitsch, Alua-Hiva Gambit1.Nc3 e5 2.e3 Nc6 3.f4 exf4 4.Nf3
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Reversed Nimzowitsch, Ekolu-Hiva Gambit1.Nc3 e5 2.e3 d5 3.f4 exf4 4.Nf3
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Reversed Nimzowitsch, Akahi-Hiva Gambit1.Nc3 e5 2.e3 Nf6 3.f4 exf4 4.Nf3
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Reversed Nimzowitsch, Napoleon Attack1.Nc3 e5 2.Nf3 Nc6 3.d4
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Reversed Nimzowitsch, Billockus-Johansen Gambit1.Nc3 e5 2.Nf3 Bc5
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Tübingen Gambit1.Nc3 Nf6 2.g4
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Klüver Gambit1.Nc3 f5 2.e4 fxe4 3.d3
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Glasscoe Gambit1.Nc3 f5 2.g4
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Myers Attack1.Nc3 g6 2.h4
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Mieses Opening1.d3
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Reversed Rat var.1.d3 e5
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Reversed Rat, Valencia var.1.d3 e5 2.Nd2
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Van't Kruijs Opening1.e3
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Barnes Opening1.f3
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Gedult Gambit1.f3 d5 2.e4 g6 3.d4 dxe4 4.c3
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Hammerschlag var.1.f3 e5 2.Kf2
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1…f5 Gedult Gambit1.f3 f5 2.e4 fxe4 3.Nc3
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King's Fianchetto Opening1.g3
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Sicilian Invitation1.g3 c5
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Slav Formation1.g3 d5 2.Bg2 c6
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Reversed Modern Defense1.g3 d5 2.Bg2 c5
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Catalan Formation1.g3 d5 2.Bg2 e6
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Bücker Gambit1.g3 d5 2.Bg2 e5 3.b4
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Winterberg Gambit1.g3 d5 2.Bg2 e5 3.c4 dxc4 4.b3
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Regan var.1.g3 d5 2.Bg2 e5 3.d4
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Reversed Alekhine var.1.g3 e5 2.Nf3
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Reversed Alekhine, Reversed Norwegian Defense1.g3 e5 2.Nf3 e4 3.Nh4
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Indian Defense1.g3 Nf6