Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Accelerated_Dragon
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Bd2 Bg7 7. Bc3 Nf6 8.
Bd3 O-O 9. O-O Re8 10. h3 e5 11. Nd2 d5 12. exd5 cxd5 13. b3 Qc7 14. Bb2 Bb7
15. c4 e4 16. Be2 d4 17. Bxd4 Ng4 18. Bxg7 *
Position (FEN): r3r1k1/pbq2pBp/6p1/8/2P1p1n1/1P5P/P2NBPP1/R2Q1RK1 b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 702
Best move: Qh2#