foundation · rating 729
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Black to move. Opponent's last move: Qxg4.
backRankMateendgamelongmatemateIn3sacrifice
333 plays
5 plies in the line
Reveal line
Opponent's last move: Qxg4
Solution: Qxf2+ → Kh1 → Qf1+ → Rxf1 → Rxf1#