1. e4 c5 2. Nf3 Nc6

Sicilian Defense: Old Sicilian Variation, Other Continuations

1. e4 c5 2. Nf3 Nc6

Main Transpositions

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O e6 to 2. .. e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O d6
1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 e6 to 2. .. e6 3. d3 Nc6 4. g3 g6
1. e4 c5 2. Nf3 Nc6 3. d3 d6 4. g3 Nf6 5. Bg2 e6 to 2. .. e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 d6
1. e4 c5 2. Nf3 Nc6 3. d3 d6 4. g3 e6 to 2. .. e6 3. d3 Nc6 4. g3 d6
1. e4 c5 2. Nf3 Nc6 3. b3 d6 4. Bb2 to 2. b3 Nc6 3. Bb2 d6 4. Nf3

Most Popular

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 (627/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 (536/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 d5 (596/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 (540/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 (1669/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. d3 (820/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bc4 (712/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 (45407/M). More: dbcn ccoe c365

TCEC Games

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 (1cp, 540/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 Qc7 5. O-O Be7 (109cp, 21/M, TCEC +3=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 Qc7 5. d3 Nf6 (41cp, 12/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 Qc7 (56cp, 81/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 d6 (87cp, 20/M, TCEC +4=1-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 Qa5 (60cp, 84/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Nf6 7. c3 O-O 8. Re1 e5 (-6cp, 90/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Nf6 7. c3 O-O 8. Re1 Bg4 (8cp, 41/M, TCEC +2=1-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Nf6 7. Nc3 O-O 8. Ne1 e5 (-14cp, 0/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Nf6 (0cp, 370/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O e5 7. Nc3 Nge7 8. Nd2 O-O 9. Nc4 Be6 10. Nd5 Qd7 11. a4 f5 12. c3 Rae8 (27cp, 1/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. b4 cxb4 4. d4 d5 5. exd5 Qxd5 6. c4 bxc3 7. Nxc3 Qa5 8. Rb1 (1cp, 1/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 (3cp, 45407/M, TCEC +61=64-49). Games. More: dbcn ccoe c365

Biased Popular Lines

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. e5 Bg4 5. d4 (102cp, -89cp; 7/M, 23%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 Qc7 5. O-O Be7 (98cp, -52cp; 21/M, 38%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 d6 (77cp, -75cp; 20/M, 11%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 h6 (75cp, -73cp; 9/M, 5%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O e5 7. c3 Nge7 8. Be3 O-O 9. d4 (79cp, -79cp; 12/M, 19%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. O-O g6 (80cp, -80cp; 9/M, 8%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. c3 Qa5 (69cp, -68cp; 8/M, 19%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. e5 (72cp, -72cp; 8/M, 1%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Be2 g6 4. O-O Bg7 5. c3 d6 (77cp, -77cp; 8/M, 46%). More: dbcn ccoe c365

Lines with Disagreement to Human Master Play

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. e5 Bg4 5. Bb5 e6 (121cp, -135cp; 5/M, 26%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. e5 Bg4 5. d4 (102cp, -89cp; 7/M, 23%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 Qc7 5. O-O Be7 (98cp, -52cp; 21/M, 38%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bb5 Qc7 5. O-O Nf6 (135cp, -113cp; 5/M, 52%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 Qa5 4. Na3 d6 (116cp, -95cp; 6/M, 28%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O e5 7. c3 Nge7 8. Be3 O-O 9. Qd2 f5 10. Bh6 (54cp, -53cp; 5/M, 63%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Be2 g6 4. O-O Bg7 5. c3 d6 (77cp, -77cp; 8/M, 46%). More: dbcn ccoe c365

Latest dbcn data: 2025-12-19

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