Ruy López Opening: Morphy Defense
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
Main Transpositions
Most Popular
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 (6812/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O (7204/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 (6414/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 (6861/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O (4736/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 (11591/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 (10416/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 (10693/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 (12734/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 (3732/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 (3567/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O (19047/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 (23011/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 (26676/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 (3949/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 (4086/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 (30828/M). More: dbcn ccoe c365
Biased Popular Lines
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. d5 Rac8 15. Bd3 Nd7 16. Nf1 f5 (171cp, -41cp; 49/M, 81%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. d5 Rac8 (130cp, -50cp; 84/M, 70%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 (80cp, -72cp; 184/M, 21%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. Nf1 Ne8 (104cp, -11cp; 37/M, 88%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Na5 (105cp, -12cp; 47/M, 31%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 (93cp, -84cp; 232/M, 14%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Re8 (80cp, -71cp; 87/M, 5%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Rd8 (82cp, -73cp; 74/M, 4%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bb7 (105cp, -96cp; 59/M, 3%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Be6 (81cp, -72cp; 31/M, 1%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Bd7 (83cp, -58cp; 117/M, 45%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 c4 (149cp, -124cp; 40/M, 15%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Bb7 (82cp, -66cp; 57/M, 29%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Nc6 (77cp, -61cp; 31/M, 16%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nc6 (102cp, -87cp; 87/M, 3%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Bb7 (82cp, -67cp; 71/M, 2%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a4 h6 13. Bc2 exd4 14. cxd4 Nb4 15. Bb1 c5 16. d5 Nd7 17. Ra3 f5 (71cp, -69cp; 47/M, 34%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Nd7 11. Nbd2 exd4 12. cxd4 Re8 13. Nf1 Na5 14. Bc2 Bf6 (78cp, -14cp; 71/M, 136%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Nd7 11. Nbd2 exd4 12. cxd4 Bf6 (78cp, -57cp; 35/M, 65%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 exd4 (75cp, -66cp; 36/M, 2%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5 11. Bc2 c5 (80cp, -81cp; 36/M, 9%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 (201cp, -201cp; 54/M, 5%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 O-O (126cp, -126cp; 56/M, 0%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 (79cp, -79cp; 32/M, 98%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 (203cp, -192cp; 40/M, 27%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 O-O (166cp, -164cp; 46/M, 7%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Nxe4 (80cp, -78cp; 78/M, 2%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7 11. Bc2 Bg4 12. Re1 O-O (80cp, -61cp; 39/M, 43%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 exd4 (136cp, -134cp; 67/M, 3%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Be7 (101cp, -101cp; 40/M, 2%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nge7 7. d4 Ng6 (66cp, -7cp; 153/M, 92%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 (78cp, -57cp; 125/M, 49%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 Nf6 (176cp, -126cp; 32/M, 45%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 5. d4 exd4 6. e5 Bc5 (170cp, -143cp; 30/M, 93%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 Bg4 7. dxe5 Bxf3 (87cp, -14cp; 61/M, 96%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 Bg4 (73cp, -72cp; 73/M, 26%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Nf6 (162cp, -162cp; 47/M, 1%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. d5 Rac8 (130cp, -50cp; 84/M, 70%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 (80cp, -72cp; 184/M, 21%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Bd7 (83cp, -58cp; 117/M, 45%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Bb7 (82cp, -66cp; 57/M, 29%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 exd4 12. cxd4 Bb7 (103cp, -85cp; 26/M, 75%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a4 h6 13. Bc2 exd4 14. cxd4 Nb4 15. Bb1 c5 16. d5 Nd7 17. Ra3 f5 (71cp, -69cp; 47/M, 34%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 Nf6 12. d4 Bd6 13. Re1 Ng4 14. h3 Qh4 15. Qf3 Nxf2 (221cp, -157cp; 23/M, 81%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 (79cp, -79cp; 32/M, 98%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 (255cp, -52cp; 28/M, 83%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 (203cp, -192cp; 40/M, 27%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7 11. Bc2 Bg4 12. Re1 O-O (80cp, -61cp; 39/M, 43%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 Nc5 (61cp, -60cp; 30/M, 27%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 (78cp, -57cp; 125/M, 49%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 Nf6 (176cp, -126cp; 32/M, 45%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 5. d4 exd4 6. e5 Bc5 (170cp, -143cp; 30/M, 93%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 Bg4 (73cp, -72cp; 73/M, 26%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19