Ruy Lopez (C62)

Old Steinitz defense, Semi-Duras variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c4

Ruy Lopez (C71)

Modern Steinitz defense, Duras (Keres) variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4

Ruy Lopez (C65)

Berlin defense, Duras variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c4

Ruy Lopez (C77)

Morphy defense, Duras variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4

QGD (D30)

Capablanca-Duras variation

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 h6

French (C12)

MacCutcheon, Duras variation

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. Bc1

Two knights defense (C59)

Steinitz variation

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3

Ruy Lopez (C79)

Steinitz defense deferred (Russian defense)

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

Ruy Lopez (C62)

Old Steinitz defense

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6

Ruy Lopez (C75)

Modern Steinitz defense, Rubinstein variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7

Ruy Lopez (C73)

Modern Steinitz defense, Alapin variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6

Ruy Lopez (C79)

Steinitz defense deferred, Boleslavsky variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4 8. Re1 f5 9. dxe5 d5 10. Nc3

Ruy Lopez (C71)

Modern Steinitz defense, Three knights variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3

Ruy Lopez (C74)

Modern Steinitz defense, siesta variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5

Ruy Lopez (C79)

Steinitz defense deferred, Lipnitsky variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Bg4

Ruy Lopez (C73)

Modern Steinitz defense, Richter variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4

Ruy Lopez (C79)

Steinitz defense deferred, Rubinstein variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4

QGD (D40)

Semi-Tarrasch defense, Pillsbury variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5

Ruy Lopez (C75)

Modern Steinitz defense

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7

Ruy Lopez (C74)

Modern Steinitz defense

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3