Reasoning eval · Puzzle 8isqe

0 of 3 models found the move, and said 10 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.

8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
SolutionPlayedWhite to move
Rating
1682(1600 band)
Solution
d3h7 g8h7 f3f7 h8g7 f7g7
Motifs
attractionexposedKingkingsideAttacklongmatemateIn3middlegamesacrifice
FEN
r2qr1kb/1p1n4/p3p2p/2pp2pN/8/2PB1QB1/PP3PPP/5NK1 w - - 0 23
MissedPlayed f3f6(lost a forced mate)Claims true 20%1103 out · $0.0117 · 14.3s

Stated plan

Play Qf6 to force Bxf6 Nxf6+, forking king, rook, and knight.

Resolves to f3f6 · lost a forced mate

Reasoning

Qf6! threatens Qg7# (protected by Nh5, king can't capture). Black's only defense is ...Bxf6, but then Nxf6+ forks the king, rook on e8, and knight on d7, winning material.

Claims extracted from it

1 true · 4 false · 1 unverifiable

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

  • False

    Qf6 threatens Qg7#

    lineprefix=playedmoves=Qf6assertion=type:gives_check

  • Unverifiable

    Qg7 is protected by Nh5

    defendedsquare=g7by=h5

  • False

    Black's only defense is ...Bxf6

    lineprefix=playedmoves=Qf6 Bxf6assertion=type:forced_reply

  • True

    After Qf6 Bxf6, Nxf6+ forks the king, rook on e8, and knight on d7

    lineprefix=playedmoves=Qf6 Bxf6 Nxf6+assertion=type:gives_check

  • False

    After Qf6 Bxf6 Nxf6+, White wins material

    lineprefix=playedmoves=Qf6 Bxf6 Nxf6+assertion=type:material_delta side:white min_value:1

  • False

    Qf6 is clearly the strongest move

    best_movemove=Qf6