King's knight's gambit (C34)

1. e4 e5 2. f4 exf4 3. Nf3

King's knight's gambit (C39)

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4

King's knight's gambit (C38)

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7

KGA (C37)

King's knight's gambit

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4

King's gambit (C30)

1. e4 e5 2. f4

King's gambit accepted (C33)

1. e4 e5 2. f4 exf4

King's Indian (E60)

Danube gambit

1. d4 Nf6 2. c4 g6 3. d5 b5

Four knights (C47)

Belgrade gambit

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5

Four knights (C48)

Rubinstein counter-gambit

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4

Four knights (C46)

Schultze-Mueller gambit

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5

Four knights (C48)

Rubinstein counter-gambit, 5.Be2

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2

King's Indian (E77)

Four pawns attack, Florentine gambit

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 exd5 9. e5

Four knights (C48)

Rubinstein counter-gambit Maroczy variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 Nxf3+ 6. Bxf3 Bc5 7. O-O O-O 8. d3 d6 9. Na4 Bb6

Four knights (C48)

Rubinstein counter-gambit, Bogolyubov variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxe5 Qe7 6. f4

Four knights (C48)

Rubinstein counter-gambit, Henneberger variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. O-O

Four knights (C48)

Rubinstein counter-gambit, Exchange variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4

King's Indian (E90)

5.Nf3

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3

King's Indian, 3.Nf3 (E60)

1. d4 Nf6 2. c4 g6 3. Nf3

King's Indian with e4 & g3 (E72)

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3

King's Indian (E91)

6.Be2

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2