Irregular Chess Openings
MICOS Opening Group A00.IO – Irregular Openings covers chess openings that begin outside the more conventional opening systems. These openings can lead to unusual positions and move orders, giving players opportunities to explore less familiar strategic and tactical ideas. Use the searchable table below to find openings by opening name, chess notation or MICOS code and train individual openings interactively with MICOS CAP.
Search by Opening Name, Chess Notation or MICOS Code. MICOS classifies each opening by its exact move order.
| Opening Name | Chess Notation | MICOS Code | MICOS CAP |
|---|---|---|---|
1. Anderssen's Opening | |||
| Anderssen's Opening | 1.a3 | A00.001.IO | Explore ▶ |
| Anderssen's Opening: Polish Gambit | 1.a3 a5 2.b4 | A00.002.IO | Explore ▶ |
| Anderssen's Opening: Hippopotamus Attack | 1.a3 e5 2.b3 d5 3.c3 Nf6 4.d3 Nc6 5.e3 Bd6 6.f3 0-0 7.g3 | A00.003.IO | Explore ▶ |
| Anderssen's Opening: Shy Attack | 1.a3 e5 2.g3 d5 3.Bg2 Nf6 4.d3 Nc6 5.Nd2 Bd6 6.e3 0-0 7.h3 | A00.004.IO | Explore ▶ |
| Anderssen's Opening: Creepy Crawly Formation | 1.a3 e5 2.h3 d5 | A00.005.IO | Explore ▶ |
| Anderssen's Opening: Andersspike | 1.a3 g6 2.g4 | A00.006.IO | Explore ▶ |
2. Ware Opening | |||
| Ware Opening | 1.a4 | A00.007.IO | Explore ▶ |
| Ware Opening: Symmetrical | 1.a4 a5 | A00.008.IO | Explore ▶ |
| Ware Opening: Crab Attack | 1.a4 a5 2.h4 | A00.009.IO | Explore ▶ |
| Ware Opening: Wing Gambit | 1.a4 b5 2.axb5 Bb7 | A00.010.IO | Explore ▶ |
| Ware Opening: Cologne Gambit | 1.a4 b6 2.d4 d5 3.Nc3 Nd7 | A00.011.IO | Explore ▶ |
| Ware Opening: Ware Gambit | 1.a4 e5 2.a5 d5 3.e3 f5 4.a6 | A00.012.IO | Explore ▶ |
| Ware Opening: Aquisap Opening | 1.a4 e5 2.e4 | A00.013.IO | Explore ▶ |
| Ware Opening: Crab Opening | 1.a4 e5 2.h4 | A00.014.IO | Explore ▶ |
| Ware Opening: Meadow Hay Trap | 1.a4 e5 2.Ra3 | A00.015.IO | Explore ▶ |
3. Polish Opening | |||
| Polish Opening (Sokolsky Opening) | 1.b4 | A00.016.IO | Explore ▶ |
| Polish Opening: Symmetrical | 1.b4 b5 | A00.017.IO | Explore ▶ |
| Polish Opening: Birmingham Gambit | 1.b4 c5 | A00.018.IO | Explore ▶ |
| Polish Opening: Outflank | 1.b4 c6 | A00.019.IO | Explore ▶ |
| Polish Opening: Schuehler Gambit | 1.b4 c6 2.Bb2 a5 3.b5 cxb5 4.e4 | A00.020.IO | Explore ▶ |
| Polish Opening: Baltic Defence | 1.b4 d5 2.Bb2 Bf5 | A00.021.IO | Explore ▶ |
| Polish Opening: Myers Attack | 1.b4 d5 2.Bb2 c6 3.a4 | A00.022.IO | Explore ▶ |
| Polish Opening: Labahn Gambit | 1.b4 d5 2.Bb2 d4 3.Nf3 c5 | A00.023.IO | Explore ▶ |
| Polish Opening: German Defence | 1.b4 d5 2.Bb2 Qd6 | A00.024.IO | Explore ▶ |
| Polish Opening: Diemer Gambit | 1.b4 d5 2.Bb2 Qd6 3.a3 e5 4.e4 dxe4 5.f3 | A00.025.IO | Explore ▶ |
| Polish Opening: Bugayev Attack | 1.b4 e5 2.a3 | A00.026.IO | Explore ▶ |
| 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 | A00.027.IO | Explore ▶ |
| Polish Opening: Wolferts Gambit | 1.b4 e5 2.Bb2 c5 | A00.028.IO | Explore ▶ |
| Polish Opening: Czech Defence | 1.b4 e5 2.Bb2 d6 | A00.029.IO | Explore ▶ |
| Polish Opening: Bugayev Advance | 1.b4 e5 2.Bb2 f6 3.b5 | A00.030.IO | Explore ▶ |
| Polish Opening: Tartakower Gambit | 1.b4 e5 2.Bb2 f6 3.e4 | A00.031.IO | Explore ▶ |
| Polish Opening: Schiffler-Sokolsky-Tartakower Gambit | 1.b4 e5 2.Bb2 f6 3.e4 Bxb4 | A00.032.IO | Explore ▶ |
| Polish Opening: Tartakower Gambit Brinckmann | 1.b4 e5 2.Bb2 f6 3.e4 Bxb4 4.Bc4 Nc6 5.f4 Qe7 6.f5 g6 | A00.033.IO | Explore ▶ |
| Polish Opening: Lewin Double Gambit | 1.b4 e5 2.e4 Bxb4 3.f4 exf4 | A00.034.IO | Explore ▶ |
| Polish Opening: Dutch Defence | 1.b4 f5 | A00.035.IO | Explore ▶ |
| Polish Opening: Bucker Defence | 1.b4 Na6 | A00.036.IO | Explore ▶ |
| Polish Opening: Grigorian Defence | 1.b4 Nc6 | A00.037.IO | Explore ▶ |
| Polish Opening: Schiffler-Sokolsky Attack | 1.b4 Nf6 2.Bb2 d5 3.e3 e6 4.b5 | A00.038.IO | Explore ▶ |
| Polish Opening: Hartlaub Gambit | 1.b4 Nf6 2.Bb2 e6 3.a3 c6 4.d3 a5 5.bxa5 d5 6.e4 | A00.039.IO | Explore ▶ |
| Polish Opening: Queenside Defence | 1.b4 Nf6 2.Bb2 e6 3.b5 a6 | A00.040.IO | Explore ▶ |
| Polish Opening: Rook Exchange Defence | 1.b4 Nf6 2.Bb2 e6 3.b5 a6 4.a4 axb5 5.axb5 Rxa1 6.Bxa1 | A00.041.IO | Explore ▶ |
| Polish Opening: Indian Formation | 1.b4 Nf6 2.Bb2 e6 3.b5 b6 | A00.042.IO | Explore ▶ |
| Polish Opening: King’s Indian Formation | 1.b4 Nf6 2.Bb2 g6 | A00.043.IO | Explore ▶ |
| Polish Opening: King's Indian Sokolsky Attack | 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.e3 d6 5.Nf3 0-0 6.d4 | A00.044.IO | Explore ▶ |
| Polish Opening: King's Indian Schiffler Attack | 1.b4 Nf6 2.Bb2 g6 3.e4 | A00.045.IO | Explore ▶ |
| Polish Opening: Spike Attack | 1.b4 Nf6 2.Bb2 g6 3.g4 | A00.046.IO | Explore ▶ |
| Polish Opening: Zukertort System | 1.b4 Nf6 2.Nf3 | A00.047.IO | Explore ▶ |
| Polish Opening: Karniewski Defence | 1.b4 Nh6 | A00.048.IO | Explore ▶ |
4. Saragossa Opening | |||
| Saragossa Opening | 1.c3 | A00.049.IO | Explore ▶ |
| Saragossa Opening: Cabbage Attack | 1.c3 e5 2.a3 d5 3.b3 Nf6 4.Bb2 Nc6 5.a4 Bd6 6.g3 0-0 7.e3 | A00.050.IO | Explore ▶ |
| Saragossa Opening: Bendig Gambit | 1.c3 e5 2.e4 Nc6 3.f4 | A00.051.IO | Explore ▶ |
| Saragossa Opening: Hanham Hayward Attack | 1.c3 e5 2.Qc2 | A00.052.IO | Explore ▶ |
5. Mieses Opening | |||
| Mieses Opening | 1.d3 | A00.053.IO | Explore ▶ |
| Mieses Opening: Venezolana | 1.d3 c5 2.Nc3 Nc6 3.g3 | A00.054.IO | Explore ▶ |
| Mieses Opening: Reversed Rat | 1.d3 e5 | A00.055.IO | Explore ▶ |
| Mieses Opening: Reversed Rat - Valencia Opening | 1.d3 e5 2.Bd2 | A00.056.IO | Explore ▶ |
| Mieses Opening: Valencia Opening | 1.d3 e5 2.Nd2 | A00.057.IO | Explore ▶ |
| Mieses Opening: Myers Spike Attack | 1.d3 g6 2.g4 | A00.058.IO | Explore ▶ |
7. Van't Kruijs Opening | |||
| Van't Kruijs Opening | 1.e3 | A00.059.IO | Explore ▶ |
| Van't Kruijs Opening: Keoni Hiva Gambit Delayed | 1.e3 d5 2.Nc3 Nf6 3.a3 e5 4.f4 exf4 5.Nf3 | A00.060.IO | Explore ▶ |
| Van't Kruijs Opening: 1…e5 | 1.e3 e5 | A00.061.IO | Explore ▶ |
| Van't Kruijs Opening: Bouncing Bishop | 1.e3 e5 2.Bc4 b5 3.Bb3 | A00.062.IO | Explore ▶ |
| Van't Kruijs Opening: Amsterdam Attack | 1.e3 e5 2.c4 d6 3.Nc3 Nc6 4.b3 Nf6 | A00.063.IO | Explore ▶ |
| Van't Kruijs Opening: Keoni Hiva Gambit Ekolu | 1.e3 e5 2.Nc3 d5 3.f4 exf4 4.Nf3 | A00.064.IO | Explore ▶ |
| Van't Kruijs Opening: Keoni Hiva Gambit Alua | 1.e3 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 | A00.065.IO | Explore ▶ |
| Van't Kruijs Opening: Keoni Hiva Gambit Akahi | 1.e3 e5 2.Nc3 Nf6 3.f4 exf4 4.Nf3 | A00.066.IO | Explore ▶ |
8. Barnes Opening | |||
| Barnes Opening | 1.f3 | A00.067.IO | Explore ▶ |
| Barnes Opening: Gedult Gambit: 4.c3 | 1.f3 d5 2.e4 g6 3.d4 dxe4 4.c3 | A00.068.IO | Explore ▶ |
| Barnes Opening: Walkerling | 1.f3 e5 2.e4 Nf6 3.Bc4 | A00.069.IO | Explore ▶ |
| Barnes Opening: Fool's Mate | 1.f3 e5 2.g4 Qh4# | A00.070.IO | Explore ▶ |
| Barnes Opening: Hammerschlag | 1.f3 e5 2.Kf2 | A00.071.IO | Explore ▶ |
| Barnes Opening: Gedult Gambit | 1.f3 f5 2.e4 fxe4 3.Nc3 | A00.072.IO | Explore ▶ |
8. Hungarian Opening | |||
| Hungarian Opening: King's Fianchetto - Benko Opening | 1.g3 | A00.073.IO | Explore ▶ |
| Hungarian Opening: Sicilian Invitation | 1.g3 c5 | A00.074.IO | Explore ▶ |
| Hungarian Opening: Reversed Modern Defence | 1.g3 d5 2.Bg2 c5 | A00.075.IO | Explore ▶ |
| Hungarian Opening: Slav Formation | 1.g3 d5 2.Bg2 c6 | A00.076.IO | Explore ▶ |
| Hungarian Opening: Winterberg Gambit | 1.g3 d5 2.Bg2 e5 3.c4 dxc4 4.b3 | A00.077.IO | Explore ▶ |
| Hungarian Opening: Regan Attack | 1.g3 d5 2.Bg2 e5 3.d4 | A00.078.IO | Explore ▶ |
| Hungarian Opening: Catalan Formation | 1.g3 d5 2.Bg2 e6 | A00.079.IO | Explore ▶ |
| Hungarian Opening: Wiedenhagen Beta Gambit | 1.g3 d5 2.Nf3 g5 | A00.080.IO | Explore ▶ |
| Hungarian Opening: Burk Gambit | 1.g3 e5 2.a3 d5 3.Nf3 e4 4.Nh4 Be7 5.d3 | A00.081.IO | Explore ▶ |
| Hungarian Opening: Buecker Gambit | 1.g3 e5 2.Bg2 d5 3.b4 | A00.082.IO | Explore ▶ |
| Hungarian Opening: Reversed Alekhine | 1.g3 e5 2.Nf3 | A00.083.IO | Explore ▶ |
| Hungarian Opening: Reversed Brooklyn Defence Benko Gambit | 1.g3 e5 2.Nf3 e4 3.Ng1 Nf6 4.b4 | A00.084.IO | Explore ▶ |
| Hungarian Opening: Reversed Norwegian Defence | 1.g3 e5 2.Nf3 e4 3.Nh4 | A00.085.IO | Explore ▶ |
| Hungarian Opening: Paris Gambit | 1.g3 e5 2.Nh3 d5 3.f4 Bxh3 4.Bxh3 exf4 5.0-0 | A00.086.IO | Explore ▶ |
| Hungarian Opening: Dutch Defence | 1.g3 f5 | A00.087.IO | Explore ▶ |
| Hungarian Opening: Paschmann Gambit | 1.g3 f5 2.e4 fxe4 3.Qh5+ g6 | A00.088.IO | Explore ▶ |
| Hungarian Opening: Myers Defence | 1.g3 g5 | A00.089.IO | Explore ▶ |
| Hungarian Opening: Symmetrical | 1.g3 g6 | A00.090.IO | Explore ▶ |
| Hungarian Opening: Lasker Simultan Special Defence | 1.g3 h5 | A00.091.IO | Explore ▶ |
| Hungarian Opening: Van Kruijk Gambit | 1.g3 h5 2.Nf3 h4 | A00.092.IO | Explore ▶ |
| Hungarian Opening: Asten Gambit | 1.g3 Nc6 2.Nc3 d5 3.d4 e5 4.dxe5 d4 5.Ne4 f5 | A00.093.IO | Explore ▶ |
| Hungarian Opening: Indian Defence | 1.g3 Nf6 | A00.094.IO | Explore ▶ |
9. Grob Opening | |||
| Grob Opening | 1.g4 | A00.095.IO | Explore ▶ |
| Grob Opening: Grob Gambit | 1.g4 d5 2.Bg2 | A00.096.IO | Explore ▶ |
| Grob Opening: Grob Gambit Fritz Gambit | 1.g4 d5 2.Bg2 Bxg4 3.c4 | A00.097.IO | Explore ▶ |
| Grob Opening: Romford Counter-Gambit | 1.g4 d5 2.Bg2 Bxg4 3.c4 d4 | A00.098.IO | Explore ▶ |
| Grob Opening: Fritz Gambit - Romford Counter-Gambit | 1.g4 d5 2.Bg2 Bxg4 3.c4 d4 4.Bxb7 Nd7 5.Bxa8 Qxa8 | A00.099.IO | Explore ▶ |
| Grob Opening: Grob Gambit Declined | 1.g4 d5 2.Bg2 c6 | A00.100.IO | Explore ▶ |
| Grob Opening: Grob Gambit - Richter Gambit | 1.g4 d5 2.Bg2 c6 3.c4 dxc4 4.b3 | A00.101.IO | Explore ▶ |
| Grob Opening: Spike Attack | 1.g4 d5 2.Bg2 c6 3.g5 | A00.102.IO | Explore ▶ |
| Grob Opening: Short Spike Attack | 1.g4 d5 2.Bg2 c6 3.h3 | A00.103.IO | Explore ▶ |
| Grob Opening: Grob Gambit - Keres Gambit | 1.g4 d5 2.Bg2 e5 3.d4 exd4 4.c3 | A00.104.IO | Explore ▶ |
| Grob Opening: Grob Gambit - Basman Gambit | 1.g4 d5 2.Bg2 h5 3.gxh5 | A00.105.IO | Explore ▶ |
| Grob Opening: Zilbermints Gambit | 1.g4 d5 2.e4 dxe4 3.Nc3 | A00.106.IO | Explore ▶ |
| Grob Opening: Zilbermints Gambit Hartlaub Attack | 1.g4 d5 2.e4 dxe4 3.Nc3 e5 4.d3 | A00.107.IO | Explore ▶ |
| Grob Opening: Zilbermints Gambit Schiller Defence | 1.g4 d5 2.e4 dxe4 3.Nc3 h5 | A00.108.IO | Explore ▶ |
| Grob Opening: Keene Defence: 6…Ne7 | 1.g4 d5 2.h3 e5 3.Bg2 c6 4.d4 e4 5.c4 Bd6 6.Nc3 Ne7 | A00.109.IO | Explore ▶ |
| Grob Opening: Spike Hurst Attack | 1.g4 e5 2.Bg2 d5 3.c4 | A00.110.IO | Explore ▶ |
| Grob Opening: Macho Keene Defence | 1.g4 e5 2.h3 d5 3.Bg2 c6 | A00.111.IO | Explore ▶ |
| Grob Opening: London Defence | 1.g4 e5 2.h3 Nc6 | A00.112.IO | Explore ▶ |
| Grob Opening: Alessi Gambit | 1.g4 f5 | A00.113.IO | Explore ▶ |
| Grob Opening: Double Grob | 1.g4 g5 | A00.114.IO | Explore ▶ |
| Grob Opening: Double Grob Coca Cola Gambit | 1.g4 g5 2.f4 | A00.115.IO | Explore ▶ |
| Grob Opening: Spike Deferred Attack | 1.g4 g6 2.d3 | A00.116.IO | Explore ▶ |
| Grob Opening: Bucker Defence | 1.g4 Nh6 | A00.117.IO | Explore ▶ |
10. Clemenz Opening | |||
| Clemenz Opening | 1.h3 | A00.118.IO | Explore ▶ |
| Clemenz Opening: Global Opening | 1.h3 e5 2.a3 | A00.119.IO | Explore ▶ |
| Clemenz Opening: Spike Lee Gambit | 1.h3 h5 2.g4 | A00.120.IO | Explore ▶ |
11. Kadas Opening | |||
| Kadas Opening (Desprez Opening) | 1.h4 | A00.121.IO | Explore ▶ |
| Kadas Opening: Koola-Koola | 1.h4 a5 | A00.122.IO | Explore ▶ |
| Kadas Opening: Kadas Gambit | 1.h4 c5 2.b4 | A00.123.IO | Explore ▶ |
| Kadas Opening: Deprez Opening - Myers Attack | 1.h4 d5 2.d4 c5 3.e3 | A00.124.IO | Explore ▶ |
| Kadas Opening: Myers Attack | 1.h4 d5 2.d4 c5 3.e4 | A00.125.IO | Explore ▶ |
| Kadas Opening: Kadas Gambit: 4.c3 | 1.h4 d5 2.d4 c5 3.Nf3 cxd4 4.c3 | A00.126.IO | Explore ▶ |
| Kadas Opening: Beginner's Trap | 1.h4 d5 2.Rh3 | A00.127.IO | Explore ▶ |
| Kadas Opening: Kadas Gambit: 3.c3 | 1.h4 e5 2.d4 exd4 3.c3 | A00.128.IO | Explore ▶ |
| Kadas Opening: Steinbok Gambit | 1.h4 f5 2.e4 fxe4 3.d3 | A00.129.IO | Explore ▶ |
| Kadas Opening: Schneider Gambit | 1.h4 g5 | A00.130.IO | Explore ▶ |
12. Sodium Attack | |||
| Sodium Attack: Durkin Opening | 1.Na3 | A00.131.IO | Explore ▶ |
| Sodium Attack: Celadon Attack | 1.Na3 e5 2.d3 Bxa3 3.bxa3 d5 4.e3 c5 5.Rb1 | A00.132.IO | Explore ▶ |
| Sodium Attack: Durkin Gambit | 1.Na3 e5 2.Nc4 Nc6 3.e4 f5 | A00.133.IO | Explore ▶ |
| Sodium Attack: Chenoboskian Attack | 1.Na3 g6 2.g4 | A00.134.IO | Explore ▶ |
13. Van Geet Opening | |||
| Van Geet Opening: Dunst Opening | 1.Nc3 | A00.135.IO | Explore ▶ |
| Van Geet Opening: St. George Defence | 1.Nc3 a6 | A00.136.IO | Explore ▶ |
| Van Geet Opening: Laroche Gambit | 1.Nc3 b5 | A00.137.IO | Explore ▶ |
| Van Geet Opening: Duesseldorf Gambit | 1.Nc3 c5 2.b4 | A00.138.IO | Explore ▶ |
| Van Geet Opening: Novosibirsk Attack | 1.Nc3 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qh4 | A00.139.IO | Explore ▶ |
| Van Geet Opening: Sicilian Two Knights | 1.Nc3 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 | A00.140.IO | Explore ▶ |
| Van Geet Opening: Twyble Attack | 1.Nc3 c5 2.Rb1 | A00.141.IO | Explore ▶ |
| Van Geet Opening: Venezolana Attack | 1.Nc3 d5 2.d3 Nf6 3.g3 | A00.142.IO | Explore ▶ |
| Van Geet Opening: Sleipner Gambit | 1.Nc3 d5 2.e3 e5 3.d4 Bb4 | A00.143.IO | Explore ▶ |
| Van Geet Opening: Caro-Kann Defence | 1.Nc3 d5 2.e4 c6 | A00.144.IO | Explore ▶ |
| Van Geet Opening: St. Patrick's Attack | 1.Nc3 d5 2.e4 c6 3.h3 | A00.145.IO | Explore ▶ |
| Van Geet Opening: Hector Gambit | 1.Nc3 d5 2.e4 dxe4 3.Bc4 | A00.146.IO | Explore ▶ |
| Van Geet Opening: Dunst Perrenet Gambit | 1.Nc3 d5 2.e4 dxe4 3.d3 | A00.147.IO | Explore ▶ |
| Van Geet Opening: Dougherty Gambit | 1.Nc3 d5 2.e4 dxe4 3.f3 | A00.148.IO | Explore ▶ |
| Van Geet Opening: Pseudo Diemer Gambit | 1.Nc3 d5 2.e4 dxe4 3.f3 exf3 4.Qxf3 | A00.149.IO | Explore ▶ |
| Van Geet Opening: Amazon Dunst | 1.Nc3 d5 2.e4 dxe4 3.Nxe4 Qd5 | A00.150.IO | Explore ▶ |
| Van Geet Opening: Myers Gambit | 1.Nc3 d5 2.e4 Nf6 3.d3 dxe4 4.Bg5 | A00.151.IO | Explore ▶ |
| Van Geet Opening: Melleby Gambit | 1.Nc3 d5 2.f4 d4 3.Ne4 c5 | A00.152.IO | Explore ▶ |
| Van Geet Opening: Pfeiffer Gambit | 1.Nc3 d5 2.f4 d4 3.Ne4 e5 | A00.153.IO | Explore ▶ |
| Van Geet Opening: Pfeiffer Gambit - Sleipnir Counter-Gambit | 1.Nc3 d5 2.f4 d4 3.Ne4 e5 4.Nf3 | A00.154.IO | Explore ▶ |
| Van Geet Opening: Jendrossek Gambit | 1.Nc3 d5 2.f4 d4 3.Ne4 f5 4.Nf2 Nf6 5.Nf3 c5 6.b4 | A00.155.IO | Explore ▶ |
| Van Geet Opening: Damhaug Gambit | 1.Nc3 d5 2.f4 e5 | A00.156.IO | Explore ▶ |
| Van Geet Opening: Warsteiner Gambit | 1.Nc3 d5 2.f4 g5 | A00.157.IO | Explore ▶ |
| Van Geet Opening: Hergert Gambit | 1.Nc3 d6 2.f4 e5 3.fxe5 Nc6 | A00.158.IO | Explore ▶ |
| Van Geet Opening: Reversed Nimzowitsch | 1.Nc3 e5 | A00.159.IO | Explore ▶ |
| Van Geet Opening: Battambang Attack | 1.Nc3 e5 2.a3 | A00.160.IO | Explore ▶ |
| Van Geet Opening: Gladbacher Gambit | 1.Nc3 e5 2.b3 d5 3.e4 dxe4 4.d3 | A00.161.IO | Explore ▶ |
| Van Geet Opening: Reversed Nimzowitsch 3…Nc6 | 1.Nc3 e5 2.d4 exd4 3.Qxd4 Nc6 | A00.162.IO | Explore ▶ |
| Van Geet Opening: Reversed Scandinavian | 1.Nc3 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qa4 | A00.163.IO | Explore ▶ |
| Van Geet Opening: Hulsemann Gambit | 1.Nc3 e5 2.e3 d5 3.Qh5 Be6 | A00.164.IO | Explore ▶ |
| Van Geet Opening: Liebig Gambit | 1.Nc3 e5 2.e3 d5 3.Qh5 Nf6 | A00.165.IO | Explore ▶ |
| Van Geet Opening: Nowokunski Gambit | 1.Nc3 e5 2.f4 exf4 3.e4 | A00.166.IO | Explore ▶ |
| Van Geet Opening: Billockus-Johansen Gambit | 1.Nc3 e5 2.Nf3 Bc5 | A00.167.IO | Explore ▶ |
| Van Geet Opening: Napoleon Attack | 1.Nc3 e5 2.Nf3 Nc6 3.d4 | A00.168.IO | Explore ▶ |
| Van Geet Opening: Kluever Gambit | 1.Nc3 f5 2.e4 fxe4 3.d3 | A00.169.IO | Explore ▶ |
| Van Geet Opening: Glasscoe Gambit | 1.Nc3 f5 2.g4 | A00.170.IO | Explore ▶ |
| Van Geet Opening: Anti-Pirc Attack | 1.Nc3 g6 2.h3 | A00.171.IO | Explore ▶ |
| Van Geet Opening: Myers Attack | 1.Nc3 g6 2.h4 | A00.172.IO | Explore ▶ |
| Van Geet Opening: Berlin Gambit | 1.Nc3 Nc6 2.d4 d5 3.e4 dxe4 4.d5 | A00.173.IO | Explore ▶ |
| Van Geet Opening: Tuebingen Gambit | 1.Nc3 Nf6 2.g4 | A00.174.IO | Explore ▶ |
14. Amar Opening | |||
| Amar Opening | 1.Nh3 | A00.175.IO | Explore ▶ |
| Amar Opening: Paris Gambit | 1.Nh3 d5 2.g3 e5 3.f4 | A00.176.IO | Explore ▶ |
| Amar Gambit | 1.Nh3 d5 2.g3 e5 3.f4 Bxh3 4.Bxh3 exf4 | A00.177.IO | Explore ▶ |
| Amar Opening: Gent Gambit | 1.Nh3 d5 2.g3 e5 3.f4 Bxh3 4.Bxh3 exf4 5.0-0 fxg3 6.hxg3 | A00.178.IO | Explore ▶ |
| Amar Opening: Krazy Kat | 1.Nh3 e5 2.f3 d5 3.Nf2 | A00.179.IO | Explore ▶ |
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