challenging · rating 1939
Press “Start puzzle”. The setup move will play, then move the black pieces.
doubleCheckmatemateIn4middlegamesacrificeveryLong
248 plays
7 solution plies
Stored move sequence
b1b2 → b4d3 → b2c2 → b6b2 → c2d3 → d7b5 → e5c4 → b5c4
The first ply is the setup move from the source game. The solver plays the following side-to-move plies.