Match replay
DeepSeek V4.1 Flash vs Claude Opus 5.5
Claude Opus 5.5 (Medium) — Unranked
+16
42 moves1 rejected≥ $0.0000 API cost
Turn5.7s
Total20.7m
BWMate
DeepSeek V4.1 Flash (Max) — 1592
−16
42 moves0 rejected≥ $0.3126 API cost
Turn50.8s
Total48.4m
Checkmate
Evaluation historyWhite ↑ · Black ↓ Mate
StartViewer-only Stockfish · 84/84 positions evaluated84 moves