Reasoning eval · Puzzle jKMOE

2 of 3 models found the move, and said 6 false things along the way

Green is the solution, red is what the model played when it differed. Each claim below was pulled out of the prose beside it and checked against this exact position.

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h8
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a
SolutionPlayed (same)Black to move
Rating
2481(2400 band)
Solution
e8b8 f4b8 d5e3 d1c1 a2a5 c1c3 a5a1 e1d2 e3f1
Motifs
crushingforkmiddlegameveryLong
FEN
1R2r1k1/p4ppp/8/3n4/3P1Bn1/6P1/qP2P2P/3QKR2 b - - 4 19
SolvedPlayed e8b8(−0cp)Claims true 50%485 out · $0.0055 · 7.4s

Stated plan

Capture the undefended White rook on b8 with the rook from e8.

Reasoning

Black's rook on e8 can capture the White rook on b8 along the open eighth rank, since c8 and d8 are empty. No White piece defends b8, so this wins a rook for free.

Claims extracted from it

1 true · 1 false · 0 unverifiable

Hover a claim to light up the squares it is about.

  • True

    Black's rook on e8 can capture the White rook on b8 along the open eighth rank

    linemoves=Rxb8assertion=type:captures_piece piece:rook

  • False

    No White piece defends b8

    defendedsquare=b8by=whitenegated=true