Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 h6 7. Bc4 e6 8. Ne5
Bh7 9. Qf3 Nf6 10. c3 Bd6 11. O-O O-O 12. Bxh6 gxh6 13. Nxf7 Kxf7 14. Nh5 Be4
15. Bxe6+ Kxe6 16. Qh3+ Ke7 17. Rfe1 Nxh5 18. Rxe4+ Kf7 19. Qxh5+ Kg7 20. Rg4+
Kh8 *
Position (FEN): rn1q1r1k/pp6/2pb3p/7Q/3P2R1/2P5/PP3PPP/R5K1 w - - 3 21
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 871
Best move: Qxh6#