8
♜
♜
♚
7
♝
♜♖
♟
♟
♟
6
♟
5
♟
♟
♟♙
4
♟
♛
3
♟♙
♜♖
♟♙
2
♟♙
♟♙
♟♙
♛♕
♟♙
1
♚♔
a
b
c
d
e
f
g
h
advantage · long · middlegame — lichess 4sPF5 (1955)
played d3c4 · best c2c3 · +590 cp · blunder · rank 2 of 29 · puzzle answer c2c3
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 d3c4
64 squares readable / 239 positions · click a square to jump
● 45 of them sit on a token shared with another square
yellow = previous ply, f8e8 by Black
r3r1k1/1b2Rppp/p7/1pp2P2/2pq4/3PR1P1/PPPQ3P/6K1 w - - 6 24