Ruy Lopez (C66)

Closed Berlin defense, Showalter variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bxc6

Ruy Lopez (C67)

Open Berlin defense, Showalter variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Ba4

Ruy Lopez (C66)

Closed Berlin defense, Wolf variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 exd4

Ruy Lopez (C66)

Closed Berlin defense, Chigorin variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Nd7

Ruy Lopez (C66)

Closed Berlin defense, Bernstein variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5

Evans gambit declined, Showalter variation (C51)

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a6 6. Nc3

Ruy Lopez (C65)

Berlin defense, Beverwijk variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5

Ruy Lopez (C67)

Berlin defense, Open variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4

KGA (C39)

Kieseritsky, Berlin defense, Riviere variation

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Nxg4 d5

Ruy Lopez (C67)

Berlin defense, Rio de Janeiro variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nc3 O-O 10. Re1 Nc5 11. Nd4 Ne6 12. Be3 Nxd4 13. Bxd4 c5

Ruy Lopez (C67)

Berlin defense, Pillsbury variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. b3

Ruy Lopez (C65)

Berlin defense, Mortimer variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7

Ruy Lopez (C67)

Berlin defense, Zukertort variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. c4

Ruy Lopez (C67)

Berlin defense, Rosenthal variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 a6

Ruy Lopez (C65)

Berlin defense, Kaufmann variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3

Ruy Lopez (C65)

Berlin defense, Duras variation

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

Ruy Lopez (C65)

Berlin defense, Anderssen variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+

Ruy Lopez (C67)

Berlin defense, Minckwitz variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. dxe5

Ruy Lopez (C66)

Berlin defense, hedgehog variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7

Ruy Lopez (C67)

Berlin defense, Trifunovic variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 d5