Reasoning eval · Puzzle L4F3I

1 of 3 models found the move, and said 8 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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a1
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SolutionPlayedWhite to move
Rating
1260(1200 band)
Solution
f3h5 f7g7 h5h8 g8f7 h8a8
Motifs
crushingendgameexposedKinglongskewer
FEN
r5k1/5r2/p2p1p2/2p1qPp1/4P3/1P3Q1R/1pP3P1/1R4K1 w - - 2 26
MissedPlayed b1b2(−921cp)Claims true 67%460 out · $0.0053 · 6.5s

Stated plan

Capture the dangerous b2 pawn with the rook to eliminate the promotion threat.

Reasoning

The b2 pawn is one square from promotion but the white rook on b1 can simply capture it, eliminating the threat and winning material.

Claims extracted from it

2 true · 1 false · 1 unverifiable

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

  • True

    The b2 pawn is one square from promotion

    piece_on_squaresquare=b2piece=pawnby=black

  • True

    The white rook on b1 can capture the b2 pawn

    lineprefix=playedmoves=Rxb2assertion=type:captures_piece piece:pawn

  • Unverifiable

    Rxb2 eliminates the threat

    lineprefix=playedmoves=Rxb2assertion=type:unverifiable

  • False

    Rxb2 wins material

    lineprefix=playedmoves=Rxb2assertion=type:material_delta side:white min_value:1