Reasoning eval · Puzzle lp8Vq

2 of 3 models found the move, and said 1 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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SolutionPlayedWhite to move
Rating
1169(1200 band)
Solution
h3h6 h7h6 e3h3 e7h4 h3h4
Motifs
attractionlongmatemateIn3middlegamepillsburysMatesacrifice
FEN
2r2r2/4bp1k/p3p1pp/1p2B3/1Pq2P2/2P1R2Q/P5PP/R5K1 w - - 1 27
MissedPlayed e5d4(−9947cp)Claims true 67%12655 out · $0.1272 · 152.0s

Stated plan

Reposition the bishop to d4 to defend c3 and neutralize Black's queen fork threat while keeping the attacking diagonal toward g7/h8.

Reasoning

Black's queen on c4 attacks the c3 pawn, which is currently undefended, and after ...Qxc3 the queen would also fork the rooks on a1 and e3. White must address this. Moving the bishop from e5 to d4 defends c3 (since c3 is now defended and Bd4 itself adds a defender via the d4-c3 diagonal), while also keeping the powerful long diagonal aimed at g7/h8, maintaining pressure on the black king. If Black tries ...Qxd4, then cxd4 wins the queen for minimal material. This move neutralizes Black's threat while keeping all of White's attacking potential intact.

Claims extracted from it

2 true · 1 false · 3 unverifiable

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

  • True

    Black's queen on c4 attacks the c3 pawn

    attackedsquare=c3by=black

  • False

    The c3 pawn is currently undefended

    defendedsquare=c3negated=true

  • Unverifiable

    After ...Qxc3 the queen would fork the rooks on a1 and e3

    linemoves=Qxc3assertion=type:unverifiable

  • Unverifiable

    Moving the bishop from e5 to d4 defends c3

    lineprefix=playedmoves=Bd4assertion=type:unverifiable

  • Unverifiable

    Bd4 keeps the powerful long diagonal aimed at g7/h8

    unverifiable

  • True

    If Black tries ...Qxd4, then cxd4 wins the queen for minimal material

    lineprefix=playedmoves=Bd4 Qxd4 cxd4assertion=type:captures_piece piece:queen