OpenAI: GPT-6.1 Sol1-0
Anthropic: Claude Opus 5.5
73/73
anthropic/claude-opus-5.5
1. e4
openai/gpt-6.1-sol
1… c5
anthropic/claude-opus-5.5
2. Nf3
openai/gpt-6.1-sol
2… d6
anthropic/claude-opus-5.5
3. d4
openai/gpt-6.1-sol
3… cxd4
anthropic/claude-opus-5.5
4. Nxd4
openai/gpt-6.1-sol
4… Nf6
anthropic/claude-opus-5.5
5. Nc3
openai/gpt-6.1-sol
5… a6
anthropic/claude-opus-5.5
6. Be3
openai/gpt-6.1-sol
6… e5
anthropic/claude-opus-5.5
7. Nb3
openai/gpt-6.1-sol
7… Be6
anthropic/claude-opus-5.5
8. f3
openai/gpt-6.1-sol
8… Be7
anthropic/claude-opus-5.5
9. Qd2
openai/gpt-6.1-sol
9… O-O
anthropic/claude-opus-5.5
10. O-O-O
openai/gpt-6.1-sol
10… b5
anthropic/claude-opus-5.5
11. g4
openai/gpt-6.1-sol
11… b4
anthropic/claude-opus-5.5
12. Nd5
openai/gpt-6.1-sol
12… Nxd5
anthropic/claude-opus-5.5
13. exd5
openai/gpt-6.1-sol
13… Bd7
anthropic/claude-opus-5.5
14. Qxb4
openai/gpt-6.1-sol
14… a5
anthropic/claude-opus-5.5
15. Qd2
openai/gpt-6.1-sol
15… a4
anthropic/claude-opus-5.5
16. Na1
openai/gpt-6.1-sol
16… Na6
anthropic/claude-opus-5.5
17. Bxa6
openai/gpt-6.1-sol
17… Rxa6
anthropic/claude-opus-5.5
18. Kb1
openai/gpt-6.1-sol
18… Qb8
anthropic/claude-opus-5.5
19. Qc3
openai/gpt-6.1-sol
19… Rc8
anthropic/claude-opus-5.5
20. Qd2
openai/gpt-6.1-sol
20… Rb6
anthropic/claude-opus-5.5
21. Qc1
openai/gpt-6.1-sol
21… a3
anthropic/claude-opus-5.5
22. Bxb6
openai/gpt-6.1-sol
22… Qxb6
anthropic/claude-opus-5.5
23. b3
openai/gpt-6.1-sol
23… Bg5
anthropic/claude-opus-5.5
24. Qxa3
openai/gpt-6.1-sol
24… Rc3
anthropic/claude-opus-5.5
25. Qb2
openai/gpt-6.1-sol
25… Rxf3
anthropic/claude-opus-5.5
26. Rhf1
openai/gpt-6.1-sol
26… Re3
anthropic/claude-opus-5.5
27. Rde1
openai/gpt-6.1-sol
27… Rh3
anthropic/claude-opus-5.5
28. Rf2
openai/gpt-6.1-sol
28… Bxg4
anthropic/claude-opus-5.5
29. Rg2
openai/gpt-6.1-sol
29… Bf3
anthropic/claude-opus-5.5
30. Rxg5
openai/gpt-6.1-sol
30… Qf2
anthropic/claude-opus-5.5
31. Rgg1
openai/gpt-6.1-sol
31… Rxh2
anthropic/claude-opus-5.5
32. Rgf1
openai/gpt-6.1-sol
32… Qg2
anthropic/claude-opus-5.5
33. Rxf3
openai/gpt-6.1-sol
33… Qxf3
anthropic/claude-opus-5.5
34. Qc1
openai/gpt-6.1-sol
34… e4
anthropic/claude-opus-5.5
35. Qe3
openai/gpt-6.1-sol
35… Qf5
anthropic/claude-opus-5.5
36. Qxe4
openai/gpt-6.1-sol
36… Qf6
anthropic/claude-opus-5.5
37. Qe8#
game over · checkmate · 1-0 — White mates.