Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Nc6 5. Nge2 Bg7 6. d3 e5 7. Be3 a6 8. Nd5
Be6 9. c3 Nge7 10. d4 cxd4 11. cxd4 Nxd4 12. Nxd4 exd4 13. Bxd4 Bxd4 14. Qxd4
O-O 15. Nf6+ Kg7 16. Nh5+ Kh6 17. Qg7+ Kxh5 18. Bf3+ Bg4 19. Qxh7+ Kg5 *
Position (FEN): r2q1r2/1p2np1Q/p2p2p1/6k1/4P1b1/5BP1/PP3P1P/R3K2R w KQ - 1 20
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1493
Best move: Qh4#