Scotch gambit (C44)

Cochrane-Shumov defense

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d5

KGA (C37)

Cochrane gambit

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 f3

Scotch (C44)

Cochrane variation

1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxe5 Ne6 5. Bc4 c6 6. O-O Nf6 7. Nxf7

Petrov (C42)

Cochrane gambit

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7

Scotch gambit (C44)

Cochrane variation

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Ba5 7. e5

KGA (C36)

Abbazia defense (Classical defense, Modern defense[!])

1. e4 e5 2. f4 exf4 3. Nf3 d5

Ruy Lopez (C79)

Steinitz defense deferred (Russian defense)

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6

Two knights defense (C57)

Fegatello attack, Polerio defense

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Ne7

Three knights (C46)

Winawer defense (Gothic defense)

1. e4 e5 2. Nf3 Nc6 3. Nc3 f5

Alekhine's defense (B02)

Brooklyn defense

1. e4 Nf6 2. e5 Ng8

Sicilian defense (B20)

1. e4 c5

Alekhine's defense (B03)

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4

QGD Slav defense (D10)

1. d4 d5 2. c4 c6

QGD (D06)

Marshall defense

1. d4 d5 2. c4 Nf6

QGD (D07)

Chigorin defense

1. d4 d5 2. c4 Nc6

Norwegian defense (B06)

1. e4 g6 2. d4 Nf6 3. e5 Nh5 4. g4 Ng7

Sicilian defense (B32)

1. e4 c5 2. Nf3 Nc6 3. d4

Sicilian defense (B30)

1. e4 c5 2. Nf3 Nc6

Sicilian defense (B27)

1. e4 c5 2. Nf3

de Bruycker defense (B12)

1. e4 c6 2. d4 Na6 3. Nc3 Nc7