challenging · rating 1809
Press “Start puzzle”. The setup move will play, then move the black pieces.
advancedPawnforkmatemateIn4middlegameoperaMatepromotionsacrificeunderPromotionveryLong
6092 plays
7 solution plies
Stored move sequence
d1d7 → h4h3 → g2h3 → g3g2 → h1h2 → g2f1n → h2h1 → g5g1
The first ply is the setup move from the source game. The solver plays the following side-to-move plies.