CHESS BENCHMARK · CHESS960

Claude Sonnet 5.5 vs Stockfish 1500

Chess960. Claude Sonnet 5.5 played White against Stockfish 1500 (1,500). Result 0-1, adjudicated: decisive advantage, after 121 plies. All of Claude Sonnet 5.5's games.

RESULT0-1

ENDED BYadjudicated: decisive advantage

MODEL TIME9.1 min

COST$0.774 (API-equivalent)

TOKENS IN / OUT72,536 / 48,378

REQUESTS62

[Event "Model Cadence Bench"] [Site "https://modelcadence.com/bench/chess"] [Date "????.??.??"] [Round "?"] [White "Claude Sonnet 5.5"] [Black "Stockfish 1500"] [Result "0-1"] [FEN "rbbkrqnn/pppppppp/8/8/8/8/PPPPPPPP/RBBKRQNN w KQkq - 0 1"] [SetUp "1"] [Variant "Chess960"] 1. e4 d6 2. Ng3 Ng6 3. d4 e5 4. Nf3 h6 5. Be3 Bg4 6. Qe2 a6 7. h3 Bc8 8. Nf5 exd4 9. N3xd4 c5 10. Nb3 Rxe4 11. Ng3 Re8 12. c3 f5 13. Qf3 Ne5 14. Qe2 f4 15. Bxf4 Qxf4 16. Nd2 Nf6 17. Nf3 Nxf3 18. Qxf3 d5 19. Qxf4 Bxf4 20. Rxe8+ Kxe8 21. Ne2 Bd6 22. Ng3 Kf7 23. Ke2 Ng8 24. Bc2 Ne7 25. Rd1 Bb8 26. Bb3 Be6 27. Rd2 Kf8 28. Rd1 Be5 29. Rd3 c4 30. Re3 cxb3 31. axb3 Bxg3 32. fxg3 Bf5 33. Rf3 Ke8 34. Rf4 Rc8 35. g4 Be4 36. Rf2 Ng6 37. Ke3 Ne5 38. Rd2 Kd7 39. Rd1 Kd6 40. Rd2 g5 41. Rd1 b5 42. Rd2 Rf8 43. Rd1 Bxg2 44. Rg1 Rf3+ 45. Ke2 a5 46. Rxg2 Rxh3 47. Rf2 Ke6 48. Rg2 b4 49. Kd2 bxc3+ 50. bxc3 Kd6 51. Rf2 Rf3 52. Rxf3 Nxf3+ 53. Ke3 Ne5 54. Kd4 Nf3+ 55. Ke3 Ne5 56. Kd4 Ke6 57. c4 Nxg4 58. cxd5+ Kd6 59. Kc4 Ne5+ 60. Kd4 Ng4 61. Ke4 0-1