ulFAS

Qwen/Qwen3.6-27B · LOGIT_LENS + JACOBIAN_LENS · top-8 · 632 positions × 64 layers · 623 prompt + 9 generated · completion '```\nf8g7\n```<|im_end|>' ?
BoardWhite to move
8
♛♕
♜
7
♟
♟
♚
6
5
♛
♟♙
4
♟♙
3
♟
2
♟♙
♟♙
1
♚♔
a
b
c
d
e
f
g
h
endgame · master · mate · mateIn1 — lichess ulFAS (1235)
played f8g7 · best f8h6 · +19995 cp · blunder · rank 18 of 20 · puzzle answer f8h6
only 1 move within 50 cp of best — any other move scores as a blunder here
Qwen/Qwen3.6-27B · bullet · plays White · green arrow = model's move f8g7
64 squares readable / 185 positions · click a square to jump
● 48 of them sit on a token shared with another square
yellow = previous ply, h8h7 by Black
5Qr1/p4p1k/8/q5P1/5P2/2p5/P1P5/2K5 w - - 0 32