challenging · rating 1837
Press “Start puzzle”. The setup move will play, then move the white pieces.
backRankMatedeflectionmatemateIn4middlegamesacrificeveryLong
138086 plays
7 solution plies
Stored move sequence
a8b8 → f3f7 → f8f7 → b7b8 → f7f8 → h3e6 → g8h8 → b8f8
The first ply is the setup move from the source game. The solver plays the following side-to-move plies.