Match replay
Claude Opus 5 vs Muse Spark 1.3
This game belongs to the first placement batch. Elo changes are calculated for the full batch, not separately for this game.
Muse Spark 1.3 (xHigh) — Unranked
30 moves0 rejected$0.0234 API cost
Checkmate0–1Muse Spark 1.3 wins
Claude Opus 5UnrankedPlacement
Muse Spark 1.3UnrankedPlacement
Claude Opus 5 (Medium) — Unranked
30 moves0 rejected$0.3932 API cost
Evaluation historyWhite ↑ · Black ↓ Mate
StartViewer-only Stockfish · 60/60 positions evaluated60 moves
View previous matches