(T) English Opening: Symmetrical Variation, 2.Nf3 Nf6
1. Nf3 Nf6 2. c4 c5
Main Transpositions
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. e3 d5 to 2. .. e6 3. Nc3 d5 4. e3 c5
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 e6 to 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5
1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 e6 5. O-O Be7 6. Nc3 to 1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. Nf3 Be7 6. O-O
1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 e6 5. Nc3 to 1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. Nf3
1. Nf3 Nf6 2. c4 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 to 1. c4 Nf6 2. g3 c5 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3
Most Popular
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 (637/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 (544/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 (1025/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 (735/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 (755/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 (2078/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 (1181/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 (888/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 (909/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 (1212/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 (1581/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 (843/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 (819/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 (837/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 (4542/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 (784/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. g3 b6 (791/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. g3 (1585/M). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 (5688/M). More: dbcn ccoe c365
TCEC Games
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 d6 6. d4 cxd4 (9cp, 37/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 (1cp, 544/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 e5 5. d3 d6 (19cp, 5/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 b6 (32cp, 28/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. e4 Bb7 6. d3 d6 7. Bg2 Be7 8. O-O Nbd7 (22cp, 7/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. e4 d6 (52cp, 92/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 (1cp, 1581/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. a3 f6 (4cp, 25/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. Ne1 Bd7 (2cp, 16/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 e6 7. O-O Be7 8. d4 O-O (9cp, 188/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nxc3 7. bxc3 e5 8. O-O Be7 (2cp, 13/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Nd3+ 7. Ke2 Nf4+ 8. Kf1 Ne6 9. b4 cxb4 10. Ne2 Nc7 11. d4 e6 12. h4 b5 (94cp, 1/M, TCEC +4=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Nd3+ 7. Ke2 Nf4+ 8. Kf1 Ne6 9. b4 cxb4 (38cp, 12/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Nd3+ 7. Ke2 Nf4+ 8. Kf1 Ne6 9. b4 (0cp, 21/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Nd3+ 7. Ke2 Nf4+ 8. Kf1 Be6 (103cp, 2/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Be6 7. Bxe6 Nd3+ 8. Kf1 fxe6 (4cp, 7/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 Bg4 (87cp, 4/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be2 Be7 (41cp, 61/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be2 a6 (64cp, 32/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be2 Nbd7 (92cp, 8/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 Be7 (90cp, 58/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 a6 (91cp, 43/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 Nbd7 (94cp, 9/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 a6 8. Be2 Nbd7 (68cp, 4/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 Nbd7 (95cp, 14/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 (84cp, 111/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 (84cp, 78/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 (80cp, 86/M, TCEC +1=5-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 Bb7 5. e5 Ng4 (92cp, 4/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 (55cp, 423/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. g3 b6 (2cp, 791/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 (1cp, 5688/M, TCEC +15=32-7). Games. More: dbcn ccoe c365
Biased Popular Lines
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. e4 d6 5. d4 Be7 (103cp, -66cp; 9/M, 14%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. e4 d6 5. d4 Nbd7 (103cp, -66cp; 7/M, 11%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. d3 Be7 9. Nd2 Bd7 10. Nc4 f6 11. f4 exf4 (97cp, -97cp; 8/M, 12%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e6 (69cp, -69cp; 9/M, 2%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 e6 7. O-O Be7 8. d4 O-O 9. Nxd5 Qxd5 (81cp, -78cp; 12/M, 12%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 e6 7. O-O Be7 8. d4 O-O 9. e4 Nf6 (81cp, -68cp; 9/M, 11%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 e6 7. O-O Be7 8. d4 Nxc3 9. bxc3 O-O 10. Rb1 Qa5 (105cp, -39cp; 8/M, 54%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 e6 7. O-O Be7 8. d4 Nxc3 9. bxc3 O-O (66cp, -1cp; 39/M, 109%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 e5 (146cp, -146cp; 13/M, 2%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 cxd4 6. Qxd4 Nxc3 7. Qxc3 Nc6 8. e4 e6 9. Bb5 Bd7 (87cp, -34cp; 19/M, 87%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be2 Be7 9. Be3 a6 10. Qd2 Nbd7 (108cp, -66cp; 11/M, 117%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be2 Nbd7 (89cp, -52cp; 8/M, 9%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 Be7 9. Qd2 a6 (109cp, -66cp; 7/M, 93%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 Be7 (86cp, -25cp; 58/M, 70%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 a6 9. Be2 Qc7 (109cp, -69cp; 18/M, 28%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 a6 (91cp, -30cp; 43/M, 52%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 Nbd7 (97cp, -36cp; 9/M, 11%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 (76cp, -14cp; 149/M, 109%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 a6 (86cp, -24cp; 23/M, 17%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 Nbd7 (93cp, -31cp; 14/M, 10%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 g6 8. Be3 Bg7 9. Be2 O-O (111cp, -34cp; 9/M, 83%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 g6 (83cp, -21cp; 13/M, 9%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 e6 (78cp, -16cp; 26/M, 31%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 d6 5. d4 cxd4 6. exd4 Bg4 (121cp, -58cp; 5/M, 46%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 d6 5. d4 Bg4 (121cp, -93cp; 7/M, 35%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. b3 Be7 9. Bb2 O-O 10. Rc1 f6 11. d3 Be6 12. Nd2 (76cp, -75cp; 5/M, 33%). More: dbcn ccoe c365
1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 e6 7. O-O Be7 8. Nxd5 exd5 9. d4 cxd4 10. Nxd4 O-O 11. Be3 Be6 (78cp, -58cp; 5/M, 27%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19