Ruy Lopez (C77)

Morphy defense, Duras variation

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

Ruy Lopez (C77)

Morphy defense

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6

Ruy Lopez (C65)

Berlin defense, Duras variation

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

Ruy Lopez (C62)

Old Steinitz defense, Semi-Duras variation

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

KGA (C33)

Bishop's gambit, Cozio (Morphy) defense

1. e4 e5 2. f4 exf4 3. Bc4 Nf6

Ruy Lopez (C71)

Modern Steinitz defense, Duras (Keres) variation

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

QGD (D30)

Capablanca-Duras variation

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

KGA (C33)

Bishop's gambit, Morphy variation

1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Nf6

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

KGD (C31)

Falkbeer, Morphy gambit

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nc3 Bb4 6. Bd2 e3

Evans gambit (C51)

Morphy attack

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3

KGA (C36)

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

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

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

Ruy Lopez (C79)

Steinitz defense deferred (Russian defense)

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

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

QGD (D56)

Lasker defense, Teichmann variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2

Two knights defense (C58)

Paoli variation

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Qc7 9. Bd3

QGD (D63)

Orthodox defense, Capablanca variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bb5

Robatsch defense (B06)

Gurgenidze variation

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5