Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. c4 dxc4 5. Bxc4 Bb4+ 6. Nc3 Nf6 7. a3 Bxc3+ 8.
bxc3 Ne4 9. Rc1 O-O 10. Bd3 Qe7 11. Qc2 Qxa3 12. Bxe4 Bxe4 13. Qxe4 Qxc1+ 14.
Ke2 Qb2+ 15. Kf3 f5 16. Qxe6+ Kh8 17. Qe7 Rg8 18. Nh3 Nc6 19. Qe6 Rae8 20. Ng5
Nd8 21. Qd7 h6 22. Qxf5 Rgf8 *
Position (FEN): 3nrr1k/ppp3p1/7p/5QN1/3P1B2/2P1PK2/1q3PPP/7R w - - 1 23
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 811
Best move: Qh7#