| Queen's Pawn Game |
1. d4 |
1 |
| Australian Defense |
1. d4 Na6 |
2 |
| Borg Defense: Borg Gambit |
1. d4 g5 |
2 |
| English Defense |
1. d4 b6 |
2 |
| Englund Gambit |
1. d4 e5 |
2 |
| Horwitz Defense |
1. d4 e6 |
2 |
| Mikenas Defense |
1. d4 Nc6 |
2 |
| Polish Defense |
1. d4 b5 |
2 |
| Queen's Pawn Game: Modern Defense |
1. d4 g6 |
2 |
| Englund Gambit Declined |
1. d4 e5 2. d5 |
3 |
| Englund Gambit Declined: Reversed Alekhine |
1. d4 e5 2. Nf3 |
3 |
| Englund Gambit Declined: Reversed French |
1. d4 e5 2. e3 |
3 |
| English Defense |
1. d4 e6 2. c4 b6 |
4 |
| Englund Gambit Declined: Reversed Krebs |
1. d4 e5 2. Nf3 e4 |
4 |
| Englund Gambit: Hartlaub-Charlick Gambit |
1. d4 e5 2. dxe5 d6 |
4 |
| Englund Gambit: Mosquito Gambit |
1. d4 e5 2. dxe5 Qh4 |
4 |
| Englund Gambit: Soller Gambit |
1. d4 e5 2. dxe5 f6 |
4 |
| Horwitz Defense: Zilbermints Gambit |
1. d4 e6 2. c4 e5 |
4 |
| Kangaroo Defense |
1. d4 e6 2. c4 Bb4+ |
4 |
| Montevideo Defense |
1. d4 Nc6 2. d5 Nb8 |
4 |
| Queen's Pawn Game: Anglo-Slav Opening |
1. d4 c6 2. c4 d6 |
4 |
| Englund Gambit Declined: Reversed Brooklyn |
1. d4 e5 2. Nf3 e4 3. Ng1 |
5 |
| Englund Gambit Declined: Reversed Mokele Mbembe |
1. d4 e5 2. Nf3 e4 3. Ne5 |
5 |
| Kangaroo Defense: Keres Defense, Transpositional Variation |
1. d4 e6 2. c4 Bb4+ 3. Nc3 |
5 |
| Modern Defense: Lizard Defense, Pirc-Diemer Gambit |
1. d4 g6 2. h4 Nf6 3. h5 |
5 |
| Polish Defense: Spassky Gambit Accepted |
1. d4 b5 2. e4 Bb7 3. Bxb5 |
5 |
| English Defense: Eastbourne Gambit |
1. d4 b6 2. c4 Bb7 3. Nc3 e5 |
6 |
| Englund Gambit Declined: Diemer Counterattack |
1. d4 e5 2. d5 Bc5 3. e4 Qh4 |
6 |
| Englund Gambit: Felbecker Gambit |
1. d4 e5 2. dxe5 Nc6 3. Nf3 Bc5 |
6 |
| Englund Gambit: Main Line |
1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 |
6 |
| Englund Gambit: Soller Gambit Deferred |
1. d4 e5 2. dxe5 Nc6 3. Nf3 f6 |
6 |
| Englund Gambit: Zilbermints Gambit |
1. d4 e5 2. dxe5 Nc6 3. Nf3 Nge7 |
6 |
| Mikenas Defense: Cannstatter Variation |
1. d4 Nc6 2. c4 e5 3. d5 Nd4 |
6 |
| Mikenas Defense: Lithuanian Variation |
1. d4 Nc6 2. c4 e5 3. d5 Nce7 |
6 |
| Slav Indian: Kudischewitsch Gambit |
1. d4 c6 2. Nf3 Nf6 3. c4 b5 |
6 |
| Englund Gambit: Stockholm Variation |
1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5 |
7 |
| Pterodactyl Defense: Queen Pterodactyl, Quiet Line |
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3 |
7 |
| Colle System: Pterodactyl Variation |
1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 Qa5+ |
8 |
| English Defense: Perrin Variation |
1. d4 e6 2. c4 b6 3. e4 Bb7 4. Bd3 Nc6 |
8 |
| Mikenas Defense: Pozarek Gambit |
1. d4 Nc6 2. c4 e5 3. dxe5 Nxe5 4. Nc3 Nxc4 |
8 |
| Pterodactyl Defense: Central, Benoni Pterodactyl |
1. d4 g6 2. c4 Bg7 3. e4 c5 4. d5 Qa5+ |
8 |
| Pterodactyl Defense: Fianchetto, Queen Benoni Pterodactyl |
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Qa5 |
8 |
| Pterodactyl Defense: Fianchetto, Queen Pterodactyl |
1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+ |
8 |
| Zaire Defense |
1. d4 Nc6 2. d5 Nb8 3. e4 Nf6 4. e5 Ng8 |
8 |
| English Defense: Hartlaub Gambit Declined |
1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. d5 |
9 |
| Colle System: Siroccopteryx Variation |
1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 cxd4 5. Nxd4 Qa5+ |
10 |
| English Defense: Hartlaub Gambit Accepted |
1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. exf5 Nf6 |
10 |
| English Defense: Poli Gambit |
1. d4 e6 2. c4 b6 3. e4 Bb7 4. f3 f5 5. exf5 Nh6 |
10 |
| Modern Defense: Beefeater Variation |
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 |
10 |
| Pterodactyl Defense: Fianchetto, Queen Pteranodon |
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5 |
10 |
| Pterodactyl Defense: Central, Benoni Beefeater Pterodactyl |
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Bxc3+ 6. bxc3 Qa5 |
12 |
| Benoni Defense: Franco-Sicilian Hybrid |
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Nf3 Ne7 |
14 |