Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nc6 5. O-O O-O-O 6. Nc3 Qf5 7. d3 e6 8.
Ng5 h5 9. f3 Qc5+ 10. Kh1 Nh6 11. fxg4 hxg4 12. Bxg4 Be7 13. Nxf7 Nxf7 14. Rxf7
Ne5 15. Bh3 Nxf7 16. Bxe6+ Kb8 17. Bxf7 Rxh2+ 18. Kxh2 Bd6+ 19. g3 Qf2+ 20. Kh3
Rh8+ 21. Bh5 Rxh5+ 22. Qxh5 *
Position (FEN): 1k6/ppp3p1/3b4/7Q/8/2NP2PK/PPP2q2/R1B5 b - - 0 22
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 884
Best move: Qxg3#