Blumenfeld counter-gambit (E10)

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5

Blumenfeld counter-gambit accepted (E10)

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5

Blumenfeld counter-gambit, Dus-Chotimursky variation (E10)

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5

Blumenfeld counter-gambit, Spielmann variation (E10)

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6

Scotch (C45)

Blumenfeld attack

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. Nb5

QGD Semi-Slav (D49)

Meran, Blumenfeld variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5

KGA (C33)

Bishop's gambit, Lopez-Gianutio counter-gambit

1. e4 e5 2. f4 exf4 3. Bc4 f5

KGA (C33)

Bishop's gambit, Bryan counter-gambit

1. e4 e5 2. f4 exf4 3. Bc4 b5

KGA (C33)

Bishop's gambit, Bryan counter-gambit

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 b5

KGD (C30)

Classical counter-gambit

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5

QGD (D08)

Albin counter-gambit

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3

KGD (C31)

Falkbeer counter-gambit

1. e4 e5 2. f4 d5 3. exd5

QGD (D09)

Albin counter-gambit, 5.g3

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3

Latvian counter-gambit (C40)

1. e4 e5 2. Nf3 f5

KGD (C31)

Falkbeer counter-gambit

1. e4 e5 2. f4 d5

KGD (C31)

Nimzovich counter-gambit

1. e4 e5 2. f4 d5 3. exd5 c6

Ponziani counter-gambit (C44)

1. e4 e5 2. Nf3 Nc6 3. c3 f5

Evans counter-gambit (C51)

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 d5

KGA (C34)

Gianutio counter-gambit

1. e4 e5 2. f4 exf4 3. Nf3 f5

QGD (D08)

Albin counter-gambit

1. d4 d5 2. c4 e5