Catalan Opening: Closed, Main Line
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2
Main Transpositions
Most Popular
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 (615/M). More: dbcn ccoe c365
TCEC Games
Biased Popular Lines
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 Bb7 10. e5 Ne8 11. cxd5 cxd5 12. Re1 Rc8 (113cp, -3cp; 54/M, 77%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 Bb7 10. e5 Ne8 11. cxd5 cxd5 12. Re1 Qc7 (116cp, -6cp; 8/M, 11%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 Bb7 10. e5 Ne8 11. cxd5 cxd5 (110cp, -56cp; 77/M, 90%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Bb7 11. Rd1 Qc8 (92cp, -75cp; 23/M, 33%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Bb7 (84cp, -68cp; 82/M, 73%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 13. Qc2 Qc8 (90cp, -7cp; 22/M, 79%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 13. Qc2 Qc7 14. Bf4 Bd6 (136cp, -37cp; 8/M, 93%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 13. Qc2 Qc7 (100cp, -17cp; 9/M, 34%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 13. Qe2 Qc7 (138cp, -71cp; 10/M, 40%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 (83cp, -66cp; 49/M, 56%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Qc7 13. Bf4 Bd6 (132cp, 0cp; 8/M, 92%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Qc7 (123cp, -106cp; 10/M, 12%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 (134cp, -116cp; 28/M, 62%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bf6 (130cp, -112cp; 9/M, 21%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b5 9. c5 a5 (115cp, -17cp; 8/M, 62%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b5 (98cp, -97cp; 26/M, 4%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Qc7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 (133cp, -39cp; 10/M, 88%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Qc7 9. e4 dxe4 (94cp, -35cp; 14/M, 83%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Bd6 (99cp, -98cp; 7/M, 1%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 Bb7 10. e5 Ne8 11. cxd5 cxd5 (110cp, -56cp; 77/M, 90%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 Bb7 (55cp, -54cp; 172/M, 50%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Bb7 (84cp, -68cp; 82/M, 73%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 13. Qe2 Qc7 (138cp, -71cp; 10/M, 40%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 (83cp, -66cp; 49/M, 56%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 (134cp, -116cp; 28/M, 62%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bf6 (130cp, -112cp; 9/M, 21%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Re8 9. Rd1 Nf8 (67cp, -56cp; 5/M, 20%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 h6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 (125cp, -73cp; 5/M, 84%). More: dbcn ccoe c365
Latest dbcn data: 2025-06-20