Reasoning eval · Puzzle QnR2D

3 of 3 models found the move, and said 9 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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SolutionPlayed (same)White to move
Rating
1300(1200 band)
Solution
c1c8 g8f7 e5f4 g7f6 c8f8 f7f8 f4f6
Motifs
advantageattractiondeflectionendgameveryLong
FEN
2r3k1/p3r1qp/1p2p1p1/3pQ3/8/7P/P4PP1/2R3K1 w - - 0 30
SolvedPlayed c1c8(−0cp)Claims true 0%1265 out · $0.0133 · 16.5s

Stated plan

Trade rooks on c8 to set up a winning Qxe6+ fork on the king and c8-piece.

Resolves to e5e6 · −1825cp

Reasoning

After Rxc1-c8, Black must recapture with either the queen or the rook (Rxc8 or Qxc8). In either case, Qxe6+ then follows: it delivers check via the e6-f7-g8 diagonal while simultaneously attacking whatever piece sits on c8 along the e6-d7-c8 diagonal, winning material outright.

Claims extracted from it

0 true · 5 false · 0 unverifiable

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

  • False

    After Rxc8, Black must recapture with either the queen or the rook

    lineprefix=playedmoves=Rxc8assertion=type:forced_reply pattern:queen or rook

  • False

    After Rxc8 Rxc8, Qxe6+ delivers check

    lineprefix=playedmoves=Rxc8 Rxc8 Qxe6+assertion=type:gives_check

  • False

    After Rxc8 Qxc8, Qxe6+ delivers check

    lineprefix=playedmoves=Rxc8 Qxc8 Qxe6+assertion=type:gives_check

  • False

    After Rxc8 Rxc8, Qxe6+ attacks the rook on c8

    lineprefix=playedmoves=Rxc8 Rxc8 Qxe6+assertion=type:captures_piece piece:rook

  • False

    After Rxc8 Qxc8, Qxe6+ attacks the queen on c8

    lineprefix=playedmoves=Rxc8 Qxc8 Qxe6+assertion=type:captures_piece piece:queen