Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Delayed_Alapin_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. c3 e6 4. d4 cxd4 5. cxd4 Nf6 6. d5 Be7 7. Bd3 O-O 8. O-O
Nbd7 9. Bg5 Nc5 10. Bc2 h6 11. Bxf6 Bxf6 12. b4 Bxa1 13. bxc5 dxc5 14. Nc3 Bxc3
15. Qd3 Bf6 16. e5 Bg5 *
Position (FEN): r1bq1rk1/pp3pp1/4p2p/2pPP1b1/8/3Q1N2/P1B2PPP/5RK1 w - - 1 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 969
Best move: Qh7#