Reasoning eval · Puzzle rPWjo

2 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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SolutionPlayedBlack to move
Rating
1139(1200 band)
Solution
c3d5 f4e4 d5e7
Motifs
crushingendgameforkmastershort
FEN
5R2/4B1k1/5p2/5P2/3P1K2/1rn5/8/8 b - - 5 41
MissedPlayed b3b4(−1215cp)Claims true 0%543 out · $0.0061 · 7.6s

Stated plan

Give check with the rook to force the king away and keep active piece coordination.

Reasoning

Black's rook can deliver a check on the same rank as White's king, forcing the king to move and gaining tempo while keeping the rook and knight coordinated against White's advanced pawns.

Claims extracted from it

0 true · 2 false · 1 unverifiable

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

  • False

    Black's rook can deliver a check on the same rank as White's king

    linemoves=Rb4+assertion=type:gives_check

  • False

    Rb4+ forces the king to move

    linemoves=Rb4+assertion=type:forced_reply pattern:king

  • Unverifiable

    Rb4+ gains tempo while keeping the rook and knight coordinated against White's advanced pawns

    unverifiable