Claude Opus 5.5 vs Stockfish 1700
Chess960. Claude Opus 5.5 played White against Stockfish 1700 (1,700). Result 0-1, checkmate, after 34 plies. All of Claude Opus 5.5's games.
RESULT0-1
ENDED BYcheckmate
MODEL TIME4.4 min
COST$0.541 (API-equivalent)
TOKENS IN / OUT16,588 / 20,406
REQUESTS18