foundation · rating 757
Press “Start puzzle”. The setup move will play, then move the black pieces.
backRankMateforkmatemateIn2middlegameshort
420 plays
3 solution plies
Stored move sequence
b1b2 → a3a1 → b2b1 → a1b1
The first ply is the setup move from the source game. The solver plays the following side-to-move plies.