Date White Black Result Termination Moves Illegal
2025-12-02 claude-opus-4.1 (no thinking) gpt-5 (minimal) 1-0 forfeit_illegal_move 14 3
2025-12-02 claude-3.7-sonnet (no thinking) gpt-5 (minimal) 0-1 forfeit_illegal_move 6 2
2025-12-02 gpt-5 (minimal) claude-opus-4.1 (no thinking) 1-0 forfeit_illegal_move 20 3
2025-12-02 claude-3.7-sonnet (no thinking) gpt-5 (minimal) 0-1 forfeit_illegal_move 5 2
2025-12-02 claude-3.5-sonnet gpt-5 (minimal) 0-1 forfeit_illegal_move 7 2
2025-12-02 gpt-5 (minimal) claude-opus-4.1 (no thinking) 1-0 checkmate 19 1
2025-12-02 claude-opus-4.1 (no thinking) gpt-5 (minimal) 1-0 forfeit_illegal_move 14 3
2025-12-02 gemini-2.0-flash-001 glm-4.6 (no thinking) 1-0 forfeit_illegal_move 5 2
2025-12-02 claude-3.5-sonnet gpt-5 (minimal) 0-1 forfeit_illegal_move 9 2
2025-12-02 gpt-5 (minimal) claude-3.7-sonnet (no thinking) 1-0 forfeit_illegal_move 6 2