challenging · rating 1739
Press “Start puzzle”. The setup move will play, then move the black pieces.
crushingdefensiveMoveendgamelongpawnEndgamequietMovezugzwang
77 plays
5 solution plies
Stored move sequence
a2a3 → a5a4 → f5e5 → f7f6 → e5f5 → e7f7
The first ply is the setup move from the source game. The solver plays the following side-to-move plies.