Reasoning eval · Puzzle 9qWjN

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.

1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
SolutionPlayed (same)Black to move
Rating
1206(1200 band)
Solution
f8f6 f1e1 d4c3
Motifs
advantageendgameshort
FEN
5rk1/6p1/3NpR1p/1p6/3bP3/1P1P4/2P1R1PP/5K2 b - - 0 26
SolvedPlayed f8f6(−1cp)Claims true 100%509 out · $0.0058 · 7.0s

Stated plan

Capture the undefended rook on f6.

Reasoning

White's rook on f6 is undefended - the knight on d6 doesn't cover f6, nor does the rook on e2. Black's rook on f8 can simply capture it for free.

Claims extracted from it

4 true · 0 false · 0 unverifiable

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

  • True

    White's rook on f6 is undefended

    defendedsquare=f6by=whitenegated=true

  • True

    The knight on d6 doesn't cover f6

    controls_squaresquare=f6by=whitenegated=true

  • True

    The rook on e2 doesn't cover f6

    controls_squaresquare=f6by=whitenegated=true

  • True

    Black's rook on f8 can simply capture it for free

    linemoves=Rxf6assertion=type:captures_piece piece:rook