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Example Searches: Queens gambit, B33, d4 d5

Ruy Lopez diagram

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

Sicilian, Szen, hedgehog variation diagram

Sicilian, Szen, hedgehog variation (B44)

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 O-O 10. O-O b6

English diagram

English (A30)

Symmetrical, hedgehog system

1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7

English diagram

English (A30)

Symmetrical, hedgehog, flexible formation

1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7

Ruy Lopez diagram

Ruy Lopez (C65)

Berlin defense, Anderssen variation

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

Ruy Lopez diagram

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 diagram

Ruy Lopez (C65)

Berlin defense, Duras variation

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

Ruy Lopez diagram

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 diagram

Ruy Lopez (C65)

Berlin defense, Mortimer variation

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

KGA diagram

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 diagram

Ruy Lopez (C67)

Berlin defense, Open variation

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

Ruy Lopez diagram

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 diagram

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 diagram

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 diagram

Ruy Lopez (C65)

Berlin defense, Beverwijk variation

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

Ruy Lopez diagram

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

Ruy Lopez diagram

Ruy Lopez (C65)

Berlin defense, Kaufmann variation

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

Ruy Lopez diagram

Ruy Lopez (C67)

Berlin defense, Cordel 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 Nf5

KGA diagram

KGA (C39)

Kieseritsky, Berlin defense

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

Ruy Lopez diagram

Ruy Lopez (C65)

Berlin defense, 4.O-O

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