Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
O-O 9. O-O-O Nfd7 10. h4 f5 11. Nxe6 Ne5 12. fxe5 Bxe6 13. exd6 Bxg5+ 14. hxg5
Qxg5+ 15. Kb1 Nd7 16. exf5 Bxf5 17. Bc4+ Kh8 18. Qxb7 Rfb8 19. Qd5 Nb6 20.
Rxh7+ Kxh7 21. Rh1+ Kg6 *
Position (FEN): rr6/6p1/pn1P2k1/3Q1bq1/2B5/2N5/PPP3P1/1K5R w - - 2 22
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1059
Best move: Qf7#