Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Wing_Gambit
Moves: 1. e4 c5 2. b4 d6 3. Nf3 cxb4 4. a3 bxa3 5. d4 Nc6 6. Bd3 e5 7. d5 Nce7 8. O-O
f5 9. exf5 Bxf5 10. Re1 Bxd3 11. Qxd3 Nf6 12. c4 Qc7 13. Nc3 a6 14. Bxa3 Rc8
15. c5 Ng6 16. Rad1 Be7 17. Ng5 Nf4 18. Qf5 O-O 19. g3 N6xd5 *
Position (FEN): 2r2rk1/1pq1b1pp/p2p4/2PnpQN1/5n2/B1N3P1/5P1P/3RR1K1 w - - 0 20
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1436
Best move: Qxh7#