Reasoning eval · Puzzle HxTnb

1 of 3 models found the move, and said 4 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
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2
a1
b
c
d
e
f
g
h
SolutionPlayedWhite to move
Rating
1256(1200 band)
Solution
e2d2 b2b3 a4a5 b3c4 b5b6
Motifs
crushingendgamehangingPiecelongquietMove
FEN
8/p7/8/1P6/P7/8/1k1bK3/8 w - - 0 50
MissedPlayed b5b6(−612cp)Claims true 33%343 out · $0.0041 · 5.3s

Stated plan

Push b5-b6 to clear the way for the a-pawn to promote unstoppably.

Resolves to b5b6 · −612cp

Reasoning

Pushing b5-b6 forces a7xb6, after which the a4 pawn is free to run to promotion since the dark-squared bishop cannot control the light-square promotion path (a8 is light).

Claims extracted from it

1 true · 2 false · 0 unverifiable

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

  • False

    Pushing b5-b6 forces a7xb6

    linemoves=b6assertion=type:forced_reply

  • False

    After b5-b6 a7xb6, the a4 pawn is free to run to promotion

    linemoves=b6 axb6assertion=type:eval_at_least cp:500

  • True

    The dark-squared bishop cannot control the light-square promotion path a8

    controls_squaresquare=a8by=blacknegated=true