Chess puzzle (Checkmate)
Moves: 1. e3 e5 2. c4 Bc5 3. Nc3 Nc6 4. a3 a5 5. Qc2 Nf6 6. h3 d6 7. b3 Be6 8. Bb2 Qd7
9. Bd3 Qe7 10. Nf3 O-O 11. g4 h6 12. g5 hxg5 13. Nxg5 g6 14. h4 Nh5 15. Rg1 Kh8
16. Bxg6 fxg6 17. Qxg6 Nf6 18. Nxe6 Rg8 19. Qh6+ Nh7 20. O-O-O Raf8 21. Ng5
Rxf2 22. Nd5 Qg7 23. Nf4 Qxh6 *
Position (FEN): 6rk/1pp4n/2np3q/p1b1p1N1/2P2N1P/PP2P3/1B1P1r2/2KR2R1 w - - 0 24
White to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 719
Best move: Nf7#