challenging · rating 1771
Press “Start puzzle”. The setup move will play, then move the black pieces.
advancedPawncrushingendgamepawnEndgamepromotionveryLong
1509 plays
7 solution plies
Stored move sequence
c5b5 → a3a2 → b5a6 → b4b3 → c4c5 → b3b2 → c5c6 → b2b1q
The first ply is the setup move from the source game. The solver plays the following side-to-move plies.