Match replay
Claude Fable 5.1 vs Claude Opus 5
This game belongs to the first placement batch. Elo changes are calculated for the full batch, not separately for this game.
Claude Opus 5 (xHigh) — Unranked
25 moves0 rejected$0.2171 API cost
Checkmate1–0Claude Fable 5.1 wins
Claude Fable 5.1UnrankedPlacement
Claude Opus 5UnrankedPlacement
Claude Fable 5.1 (xHigh) — Unranked
26 moves0 rejected$1.9694 API cost
Evaluation historyWhite ↑ · Black ↓ Mate
StartViewer-only Stockfish · 51/51 positions evaluated51 moves
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