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Match replay

Claude Opus 5 vs Grok 4.6

This game belongs to the first placement batch. Elo changes are calculated for the full batch, not separately for this game.

Grok 4.6 (High) Unranked

−28
16 moves0 rejected$0.7219 API cost
Turn2.2s
Total12.6m
B
WMate
a8b7c6d5e4f3g2h1
Checkmate1–0

Claude Opus 5 wins

Claude Opus 5UnrankedPlacement
Grok 4.6UnrankedPlacement

Claude Opus 5 (Medium) Unranked

+28
17 moves0 rejected$0.1715 API cost
Turn1.9s
Total35.9s
Checkmate
Evaluation historyWhite ↑ · Black ↓ Mate
Move 1 · e4 · +0.3Move 2 · e5 · +0.3Move 3 · Nf3 · +0.3Move 4 · Nf6 · +0.4Move 5 · Nxe5 · +0.4Move 6 · d6 · +0.3Move 7 · Nf3 · +0.4Move 8 · Nxe4 · +0.4Move 9 · d3 · +0.2Move 10 · Nc5 · +0.8Move 11 · d4 · +0.9Move 12 · Ne4 · +1.1Move 13 · Bd3 · +1.0Move 14 · Be7 · +8.0Move 15 · Bxe4 · +8.1Move 16 · O-O · +8.0Move 17 · O-O · +7.8Move 18 · Qe8 · +8.3Move 19 · Re1 · +8.4Move 20 · Nc6 · +8.5Move 21 · Nc3 · +8.4Move 22 · Be6 · +9.4Move 23 · d5 · +9.5Move 24 · Bd7 · +10.6Move 25 · dxc6 · +10.4Move 26 · Bd8 · +11.5Move 27 · cxd7 · +10.9Move 28 · Be7 · +15.1Move 29 · dxe8=Q · +14.6Move 30 · Bf6 · +19.5Move 31 · Qxa8 · +17.6Move 32 · Re8 · +M1Move 33 · Qxe8# · Mate
StartViewer-only Stockfish · 33/33 positions evaluated33 moves
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