Reasoning eval · Puzzle L3D7U

2 of 3 models found the move, and said 3 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
g
f
e
d
c
b
a
SolutionPlayedBlack to move
Rating
1245(1200 band)
Solution
d8d4 f3e3 d4a1
Motifs
advantageforkmiddlegameshort
FEN
r2q3k/p3b1pp/2p2n2/2p3N1/8/1P1P1Q2/P1PB2PP/R5K1 b - - 2 20
MissedPlayed h7h6(−1636cp)Claims true 75%2026 out · $0.0209 · 25.8s

Stated plan

Attack the knight on g5 with h6 to prevent the deadly Nxf7+ fork.

Resolves to h7h6 · −1636cp

Reasoning

White's knight on g5 threatens Nxf7+, forking the king on h8 and the queen on d8, winning material. Black must eliminate this threat immediately. Playing h6 attacks the knight, forcing it to retreat and neutralizing the fork.

Claims extracted from it

3 true · 1 false · 1 unverifiable

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

  • True

    White's knight on g5 threatens Nxf7+

    piece_on_squaresquare=g5piece=knightby=white

  • True

    Nxf7+ forks the king on h8 and the queen on d8

    linemoves=Nxf7+assertion=type:gives_check

  • True

    Nxf7+ wins material

    linemoves=Nxf7+assertion=type:material_delta side:white min_value:1

  • Unverifiable

    Playing h6 attacks the knight

    lineprefix=playedmoves=h6assertion=type:attacked square:g5 by:black

  • False

    h6 forces the knight to retreat

    lineprefix=playedmoves=h6assertion=type:forced_reply