1. e4 e6 2. d4 d5 3. Nd2 c5

French Defense: Tarrasch, Open

1. e4 e6 2. d4 d5 3. Nd2 c5

Main Transpositions

Most Popular

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 (674/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 (856/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 (863/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 (915/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 (881/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 (915/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O (982/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 (1071/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 (1377/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 (1389/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 (1154/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 (1376/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 (674/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 (715/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 (820/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 (1232/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 (2625/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 (613/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 (1474/M). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 (4499/M). More: dbcn ccoe c365

TCEC Games

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 (2cp, 915/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 (1cp, 1071/M, TCEC +1=3-1). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. O-O Nc6 8. Nb3 Nf6 (6cp, 53/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. O-O Ne7 8. Nb3 Qc7 (105cp, 2/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 (3cp, 124/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Bc4 Qc6 8. Qe2 O-O (2cp, 13/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 (1cp, 1376/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 (12cp, 497/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Be2 Nf6 7. O-O Qc7 8. Re1 Be6 (17cp, 9/M, TCEC +3=2-1). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 (3cp, 305/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 a6 6. Be2 c4 7. b3 b5 (86cp, 2/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 (3cp, 1232/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 (1cp, 134/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. exd5 Qxd5 (3cp, 47/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. Bb5 Bd7 (93cp, 14/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 (8cp, 496/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 a6 5. dxc5 Bxc5 6. Bd3 Nc6 7. O-O Nge7 8. exd5 exd5 (18cp, 12/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 a6 5. dxc5 Bxc5 6. Bd3 Ne7 (18cp, 15/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 c4 (87cp, 3/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Be7 5. dxc5 Bxc5 6. Nb3 Bb6 (1cp, 10/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 (1cp, 4499/M, TCEC +5=9-0). Games. More: dbcn ccoe c365

Biased Popular Lines

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 Bd7 11. c3 Qc7 12. Qe2 O-O-O (69cp, -68cp; 14/M, 36%). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Nf6 7. O-O Be7 8. dxc5 O-O 9. Nb3 Bg4 (99cp, -30cp; 8/M, 49%). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Nf6 7. O-O Be7 8. dxc5 O-O (69cp, -27cp; 20/M, 56%). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd7 (111cp, -98cp; 24/M, 3%). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 (68cp, -55cp; 19/M, 2%). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 cxd4 (152cp, -151cp; 13/M, 0%). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. e5 Nfd7 7. f4 (109cp, -110cp; 10/M, 40%). More: dbcn ccoe c365
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. Bb5 Bd7 (111cp, -111cp; 14/M, 11%). More: dbcn ccoe c365

Lines with Disagreement to Human Master Play

Latest dbcn data: 2025-12-19

page revision: 26, last edited: 18 Dec 2025 23:16

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Chess Openings for Engine Competition

Opening lines that are known in Master play and that are biased for one side

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