challenging · rating 1642
Press “Start puzzle”. The setup move will play, then move the black pieces.
deflectiondiscoveredAttackmatemateIn4middlegameveryLong
923 plays
7 solution plies
Stored move sequence
g1g2 → c7g3 → g2h1 → e4f2 → f1f2 → e8e1 → f2f1 → e1f1
The first ply is the setup move from the source game. The solver plays the following side-to-move plies.