Anthropic: Claude Opus 5.51-0
OpenAI: GPT-6.1 Sol
63/63
openai/gpt-6.1-sol
1. e4
anthropic/claude-opus-5.5
1… e5
openai/gpt-6.1-sol
2. Nf3
anthropic/claude-opus-5.5
2… Nc6
openai/gpt-6.1-sol
3. Bb5
anthropic/claude-opus-5.5
3… a6
openai/gpt-6.1-sol
4. Ba4
anthropic/claude-opus-5.5
4… Nf6
openai/gpt-6.1-sol
5. O-O
anthropic/claude-opus-5.5
5… Be7
openai/gpt-6.1-sol
6. Re1
anthropic/claude-opus-5.5
6… b5
openai/gpt-6.1-sol
7. Bb3
anthropic/claude-opus-5.5
7… d6
openai/gpt-6.1-sol
8. c3
anthropic/claude-opus-5.5
8… O-O
openai/gpt-6.1-sol
9. h3
anthropic/claude-opus-5.5
9… Na5
openai/gpt-6.1-sol
10. Bc2
anthropic/claude-opus-5.5
10… c5
openai/gpt-6.1-sol
11. d4
anthropic/claude-opus-5.5
11… Qc7
openai/gpt-6.1-sol
12. Nbd2
anthropic/claude-opus-5.5
12… cxd4
openai/gpt-6.1-sol
13. cxd4
anthropic/claude-opus-5.5
13… Nc6
openai/gpt-6.1-sol
14. Nf1
anthropic/claude-opus-5.5
14… Bb7
openai/gpt-6.1-sol
15. d5
anthropic/claude-opus-5.5
15… Nb4
openai/gpt-6.1-sol
16. Bb1
anthropic/claude-opus-5.5
16… a5
openai/gpt-6.1-sol
17. a3
anthropic/claude-opus-5.5
17… Na6
openai/gpt-6.1-sol
18. Ng3
anthropic/claude-opus-5.5
18… Nc5
openai/gpt-6.1-sol
19. Be3
anthropic/claude-opus-5.5
19… Rfc8
openai/gpt-6.1-sol
20. Nf5
anthropic/claude-opus-5.5
20… Bf8
openai/gpt-6.1-sol
21. Nh2
anthropic/claude-opus-5.5
21… b4
openai/gpt-6.1-sol
22. Ng4
anthropic/claude-opus-5.5
22… Nxg4
openai/gpt-6.1-sol
23. Qxg4
anthropic/claude-opus-5.5
23… Kh8
openai/gpt-6.1-sol
24. h4
anthropic/claude-opus-5.5
24… Nb3
openai/gpt-6.1-sol
25. Ra2
anthropic/claude-opus-5.5
25… bxa3
openai/gpt-6.1-sol
26. Rxa3
anthropic/claude-opus-5.5
26… Nc5
openai/gpt-6.1-sol
27. h5
anthropic/claude-opus-5.5
27… h6
openai/gpt-6.1-sol
28. Bd2
anthropic/claude-opus-5.5
28… Qb6
openai/gpt-6.1-sol
29. Rg3
anthropic/claude-opus-5.5
29… g6
openai/gpt-6.1-sol
30. hxg6
anthropic/claude-opus-5.5
30… fxg6
openai/gpt-6.1-sol
31. Qxg6
anthropic/claude-opus-5.5
31… Qd8
openai/gpt-6.1-sol
32. Qg8#
game over · checkmate · 1-0 — White mates.