advanced · rating 2499
Press “Start puzzle”. The setup move will play, then move the black pieces.
advancedPawncrushingdefensiveMoveendgameveryLongzugzwang
1974 plays
9 solution plies
Stored move sequence
b2b1 → b4a3 → c8c6 → b3b2 → c6a6 → a3b3 → a6a4 → b3a4 → b1b2 → a4b4
The first ply is the setup move from the source game. The solver plays the following side-to-move plies.