Amar/Ammonia Opening: 1.Nh3[]
1..d5[]
Amar Opening: Paris Gambit: 1.Nh3 d5 2.g3 e5 3.f4
Amar Opening: Gent Gambit: 1.Nh3 d5 2.g3 e5 3.f4 Bxh3 4.Bxh3 exf4 5.O-O fxg3 6.hxg3
1..e5[]
Amar Opening: Krazy Kat Variation: 1. Nh3 e5 2. f3 d5 3. Nf2
Anderssen's Opening: 1.a3[]
1..a5[]
Anderssen's Opening: Polish Gambit: 1.a3 a5 2.b4
Anderssen's Opening: Polish Gambit, Bugayev Attack: 1.a3 a5 2.b4 e5
1..e5[]
Anderssen's Opening: Creepy Crawly Formation[]
Anderssen's Opening: Creepy Crawly Formation, Classical Defense: 1.a3 e5 2.h3 d5
Anderssen's Opening: Creepy Crawly Formation, Hippopotamus Attack: 1.a3 e5 2.b3 d5 3.c3 Nf6 4.d3 Nc6 5.e3 Bd6 6.f3 O-O 7.g3
Anderssen's Opening: Creepy Crawly Formation, Shy Attack: 1.a3 e5 2.g3 d5 3.Bg2 Nf6 4.d3 Nc6 5.Nd2 Bd6 6.e3 O-O 7.h3
1..g6[]
Anderssen's Opening: Andersspike: 1.a3 g6 2.g4
Barnes/Gedult's Opening: 1.f3[]
1..d5[]
Barnes Opening: Gedult Gambit #1: 1.f3 d5 2.e4 g6 3.d4 dxe4 4.c3
1..e5[]
Barnes Opening: Hammerschlag Variation: 1.f3 e5 2.Kf2
Barnes Opening: Fool's Mate: 1.f3 e5 2.g4 Qh4#
Barnes Opening: Walkerling Variation: 1.f3 e5 2.e4 Nf6 3.Bc4
1..f5[]
Barnes Opening: Gedult Gambit #2: 1.f3 f5 2.e4 fxe4 3.Nc3
Clemenz Opening: 1.h3[]
Clemenz Opening: Global Opening 1.h3 e5 2.a3
Clemenz Opening: Spike Lee Gambit 1.h3 h5 2.g4
Grob Opening: 1.g4[]
1..d5[]
Grob Opening: Grob Gambit: 1.g4 d5 2.Bg2[]
Grob Opening: Grob Gambit, Basman Gambit: 1.g4 d5 2.Bg2 h5 3.gxh5
Grob Opening: Grob Gambit, Keres Gambit: 1.g4 d5 2.Bg2 e5 3.d4 exd4 4.c3
Grob Opening: Grob Gambit, Fritz Gambit: 1.g4 d5 2.Bg2 Bxg4 3.c4
Grob Opening: Grob Gambit, Fritz Gambit, Romford Countergambit: 1.g4 d5 2.Bg2 Bxg4 3.c4 d4
Grob Opening: Grob Gambit, Declined: 1.g4 d5 2.Bg2 c6[]
Grob Opening: Grob Gambit, Declined, Spike Attack: 1.g4 d5 2.Bg2 c6 3.g5
Grob Opening: Grob Gambit, Declined, Richter-Grob Gambit: 1.g4 d5 2.Bg2 c6 3.c4 dxc4 4.b3
Grob Opening: Keene Defense: 1.g4 d5 2.h3 e5 3.Bg2 c6[]
Grob Opening: Keene Defense, Main Line: 1.g4 d5 2.h3 e5 3.Bg2 c6 4.d4 e4 5.c4 Bd6 6.Nc3 Ne7
Grob Opening: Zilbermints Gambit: 1.g4 d5 2.e4 dxe4 3.Nc3[]
Grob Opening: Zilbermints Gambit, Schiller Defense: 1.g4 d5 2.e4 dxe4 3.Nc3 h5
Grob Opening: Zilbermints Gambit, Zilbermints-Hartlaub Gambit: 1.g4 d5 2.e4 dxe4 3.Nc3 e5 4.d3
1..e5[]
Grob Opening: London Defense: 1.g4 e5 2.h3 Nc6
Grob Opening: Spike, Hurst Attack: 1.g4 e5 2.Bg2 d5 3.c4
1..f5[]
Grob Opening: Alessi Gambit: 1.g4 f5
1..g5[]
Grob Opening: Double Grob: 1.g4 g5
Grob Opening: Double Grob, Coca-Cola Gambit: 1.g4 g5 2.f4
Hungarian Opening: 1.g3[]
1..Nc6[]
Hungarian Opening: Asten Gambit: 1.g3 Nc6 2.Nc3 d5 3.d4 e5 4.dxe5 d4 5.Ne4 f5
1..c5[]
Hungarian Opening: Sicilian Invitation: 1.g3 c5
1..d5[]
Hungarian Opening: Catalan Formation: 1.g3 d5 2.Bg2 e6
Hungarian Opening: Reversed Modern Defense: 1.g3 d5 2.Bg2 c5
Hungarian Opening: Slav Formation: 1.g3 d5 2.Bg2 c6
Hungarian Opening: Wiedenhagen-Beta Gambit: 1.g3 d5 2.Nf3 g5
Hungarian Opening: Winterberg Gambit: 1.g3 d5 2.Bg2 e5 3.c4 dxc4 4.b3
1..e5[]
Hungarian Opening: Reversed Alekhine: 1.g3 e5 2.Nf3
Hungarian Opening: Bücker Gambit: 1.g3 e5 2.Bg2 d5 3.b4
Hungarian Opening: Reversed Norwegian Defense: 1.g3 e5 2.Nf3 e4 3.Nh4
Hungarian Opening: Reversed Brooklyn Defense, Brooklyn Benko Gambit: 1.g3 e5 2.Nf3 e4 3.Ng1 Nf6 4.b4
Hungarian Opening: Burk Gambit: 1.g3 e5 2.a3 d5 3.Nf3 e4 4.Nh4 Be7 5.d3
Hungarian Opening: Paris Gambit: 1.g3 e5 2.Nh3 d5 3.f4 Bxh3 4.Bxh3 exf4 5.O-O
1..f5[]
Hungarian Opening: Dutch Defense: 1.g3 f5
Hungarian Opening: Dutch Defense, Pachman Gambit: 1.g3 f5 2.e4 fxe4 3.Qh5 g6
1..g6/g5[]
Hungarian Opening: Symmetrical Variation: 1.g3 g6
Hungarian Opening: Myers Defense: 1.g3 g5
1..Nf6[]
Hungarian Opening: Indian Defense: 1.g3 Nf6
1..h5[]
Hungarian Opening: Lasker Simul Special Variation: 1.g3 h5
Hungarian Opening: Van Kuijk Gambit 1.g3 h5 2.Nf3 h4
Kádas Opening: 1.h4[]
1..c5[]
Kádas Opening: Kádas Gambit #1: 1.h4 c5 2.b4
1..d5[]
Kádas Opening: Beginner's Mistake: 1.h4 d5 2.Rh3
Kádas Opening: Myers Variation: 1.h4 d5 2.d4 c5 3.e4
Kádas Opening: Kádas Gambit #2: 1.h4 d5 2.d4 c5 3.Nf3 cxd4 4.c3
1..e5[]
Kádas Opening: Kádas Gambit #3: 1.h4 e5 2.d4 exd4 3.c3
1..f5[]
Kádas Opening: Steinbok Gambit: 1.h4 f5 2.e4 fxe4 3.d3
1..g5[]
Kádas Opening: Schneider Gambit: 1.h4 g5
Mieses Opening: 1.d3[]
1..c5[]
Mieses Opening: Venezolana Opening: 1.d3 c5 2.Nc3 Nc6 3.g3
1..e5[]
Mieses Opening: Reversed Rat: 1.d3 e5
Mieses Opening: Valencia Opening: 1.d3 e5 2.Nd2
1..g6[]
Mieses Opening: Myers Spike Attack: 1.d3 g6 2.g4
Polish Opening 1.b4[]
1..b5[]
Polish Opening: Symmetrical Variation 1.b4 b5
1..Nc6[]
Polish Opening: Grigorian Variation 1.b4 Nc6
1..c6[]
Polish Opening: Outflank Variation 1.b4 c6
Polish Opening: Schühler Gambit 1.b4 c6 2.Bb2 a5 3.b5 cxb5 4.e4
1..c5[]
Polish Opening: Birmingham Gambit 1.b4 c5
1..d5[]
Polish Opening: Baltic Defense 1.b4 d5 2.Bb2 Bf5
Polish Opening: German Defense 1.b4 d5 2.Bb2 Qd6
Polish Opening: Orangutan-Diemer Gambit 1.b4 d5 2. Bb2 Qd6 3. a3 e5 4. e4 dxe4 5. f3
Polish Opening: Myers Variation 1.b4 d5 2.Bb2 c6 3.a4
1..e5[]
Polish Opening: Bugayev Attack 1.b4 e5 2.a3
Polish Opening: Bugayev Advance Variation 1.b4 e5 2.Bb2 f6 3.b5
Polish Opening: Czech Defense 1.b4 e5 2.Bb2 d6
Polish Opening: Wolferts Gambit 1.b4 e5 2.Bb2 c5
Polish Opening: Tartakower Gambit 1.b4 e5 2.Bb2 f6 3.e4
Polish Opening: Tartakower Gambit, Brinckmann Variation 1.b4 e5 2.Bb2 f6 3.e4 Bxb4 4.Bc4 Nc6 5.f4 Qe7 6.f5 g6
Polish Opening: Kucharkowski-Meybohm Gambit 1.b4 e5 2.Bb2 Bxb4 3.f4 exf4 4.Bxg7 Qh4+ 5.g3 fxg3 6.Bg2 gxh2+ 7.Kf1 hxg1=Q+ 8.Kxg1
1..f5[]
Polish Opening: Dutch Defense 1.b4 f5
1..Nf6[]
Polish Opening: King's Indian Variation 1.b4 Nf6 2.Bb2 g6
Polish Opening: King's Indian Variation, Schiffler Attack 1.b4 Nf6 2.Bb2 g6 3.e4
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
Polish Opening: Queenside Defense 1.b4 Nf6 2.Bb2 e6 3.b5 a6
Polish Opening: Queenside Defense, Rooks Swap Line: 1.b4 Nf6 2.Bb2 e6 3.b5 a6 4.a4 axb5 5.axb5 Rxa1 6.Bxa1
Polish Opening: Queen's Indian Variation 1.b4 Nf6 2.Bb2 e6 3.b5 b6
Polish Opening: Orangutan-Hartlaub Gambit 1.b4 Nf6 2. Bb2 e6 3. a3 c6 4. d3 a5 5. bxa5 d5 6. e4
Polish Opening: Schiffler-Sokolsky Variation 1.b4 Nf6 2.Bb2 d5 3.e3 e6 4.b5
1..Nh6[]
Polish Opening: Karniewski Variation 1.b4 Nh6
Saragossa Opening 1.c3[]
Saragossa Opening: Cabbage Attack 1.c3 e5 2.a3 d5 3.b3 Nf6 4.Bb2 Nc6 5.a4 Bd6 6.g3 O-O 7.e3
Saragossa Opening: Hanham Variation, Hayward Variation 1.c3 e5 Qc2
Sodium Attack 1.Na3[]
Sodium Attack: Celadon Variation 1.Na3 e5 2.d3 Bxa3 3.bxa3 d5 4.e3 c5 5.Rb1
Sodium Attack: Chenoboskian Variation 1.Na3 g6 2.g4
Sodium Attack: Durkin Gambit 1.Na3 e5 2.Nc4 Nc6 3.e4 f5
Van Geet Opening 1.Nc3[]
1..a6[]
Van Geet Opening: St. George Defense: 1. Nc3 a6
1..b5[]
Van Geet Opening: Laroche Gambit 1.Nc3 b5
1..Nc6[]
Van Geet Opening: Berlin Gambit 1.Nc3 Nc6 2.d4 d5 3.e4 dxe4 4.d5
1..c5[]
Van Geet Opening: Duesseldorf Gambit 1.Nc3 c5 2.b4
Van Geet Opening: Twyble Attack 1.Nc3 c5 2.Rb1
Van Geet Opening: Novosibirsk Variation 1.Nc3 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qh4
Van Geet Opening: Sicilian Two Knights 1.Nc3 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4
1..d6[]
Van Geet Opening: Hergert Gambit 1.Nc3 d6 2.f4 e5 3.fxe5 Nc6
1..d5[]
Van Geet Opening: Caro-Kann Variation 1.Nc3 d5 2.e4 c6
Van Geet Opening: Warsteiner Gambit 1.Nc3 d5 2.f4 g5
Van Geet Opening: Damhaug Gambit 1.Nc3 d5 2.f4 e5
Van Geet Opening: Dougherty Gambit 1.Nc3 d5 2.e4 dxe4 3.f3
Van Geet Opening: Dunst-Perrenet Gambit 1.Nc3 d5 2.e4 dxe4 3.d3
Van Geet Opening: Hector Gambit 1.Nc3 d5 2.e4 dxe4 3.Bc4
Van Geet Opening: Venezolana Variation 1.Nc3 d5 2.d3 Nf6 3.g3
Van Geet Opening: Melleby Gambit 1.Nc3 d5 2.f4 d4 3.Ne4 c5
Van Geet Opening: Gruenfeld Defense 1.Nc3 d5 2.e4 dxe4 3.Nxe4 e5
Van Geet Opening: Gruenfeld Defense, Steiner Gambit 1.Nc3 d5 2.e4 dxe4 3.Nxe4 e5 4.f4
Van Geet Opening: Pfeiffer Gambit 1.Nc3 d5 2.f4 d4 3.Ne4 e5
Van Geet Opening: Sleipner Gambit 1.Nc3 d5 2.e3 e5 3.d4 Bb4
Van Geet Opening: Pfeiffer Gambit, Sleipner Countergambit 1.Nc3 d5 2.f4 d4 3.Ne4 e5 4.Nf3
Van Geet Opening: Jendrossek Gambit 1.Nc3 d5 2.f4 d4 3.Ne4 f5 4.Nf2 Nf6 5.Nf3 c5 6.b4
1..e5[]
Van Geet Opening: Reversed Nimzowitsch 1.Nc3 e5
Van Geet Opening: Battambang Variation 1.Nc3 e5 2.a3
Van Geet Opening: Billockus-Johansen Gambit 1.Nc3 e5 2.Nf3 Bc5
Van Geet Opening: Napoleon attack 1.Nc3 e5 2.Nf3 Nc6 3.d4
Van Geet Opening: Nowokunski Gambit 1.Nc3 e5 2.f4 exf4 3.e4
Van Geet Opening: Gladbacher Gambit 1.Nc3 e5 2.b3 d5 3.e4 dxe4 4.d3
Van Geet Opening: Hulsemann Gambit 1.Nc3 e5 2.e3 d5 3.Qh5 Be6
Van Geet Opening: Liebig Gambit 1.Nc3 e5 2.e3 d5 3.Qh5 Nf6
Van Geet Opening: Reversed Scandinavian: 1.Nc3 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qa4
1..f5[]
Van Geet Opening: Klüver Gambit: 1.Nc3 f5 2.e4 fxe4 3.d3
Van Geet Opening: Dutch Gambit: 1.Nc3 f5 2.g4 d5 3.d4
1..Nf6:[]
Van Geet Opening: Tübingen Gambit: 1.Nc3 Nf6 2.g4
1..g6[]
Van Geet Opening: Myers Attack: 1.Nc3 g6 2.h4
Van't Kruijs Opening 1.e3[]
Van't Kruijs Opening: Keoni-Hiva Gambit Delayed 1.e3 d5 2.Nc3 Nf6 3.a3 e5 4.f4 exf4 5.Nf3
Van't Kruijs Opening: Bouncing Bishop Variation 1.e3 e5 2.Bc4 b5 3.Bb3
Van't Kruijs Opening: Keoni-Hiva Gambit, Akahi Variation 1.e3 e5 2.Nc3 Nf6 3.f4 exf4 4.Nf3
Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation 1.e3 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3
Van't Kruijs Opening: Keoni-Hiva Gambit, Ekolu Variation 1.e3 e5 2.Nc3 d5 3.f4 exf4 4.Nf3
Van't Kruijs Opening: Amsterdam attack 1.e3 e5 2.c4 d6 3.Nc3 Nc6 4.b3 Nf6
Ware Opening 1.a4[]
Ware Opening: Wing Gambit 1.a4 b5 2.axb5 Bb7
Ware Opening: Cologne Gambit 1.a4 b6 2.d4 d5 3.Nc3 Nd7
1..e5[]
Ware Opening: Crab Variation 1.a4 e5 2.h4
Ware Opening: Ware Gambit 1.a4 e5 2.a5 d5 3.e3 f5 4.a6
Ware Opening: Meadow Hay Trap 1.a4 e5 2.Ra3