Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Hyperaccelerated_Dragon
Moves: 1. e4 c5 2. Nf3 g6 3. Bc4 Bg7 4. d3 Nc6 5. Ng5 Nh6 6. Qf3 e6 7. O-O O-O 8. Nc3
Nd4 9. Qd1 a6 10. Be3 b5 11. Bb3 Nxb3 12. cxb3 Qc7 13. Rc1 d5 14. exd5 Bxc3 15.
Rxc3 exd5 16. Rxc5 Qd6 17. b4 Ng4 18. Bd4 *
Position (FEN): r1b2rk1/5p1p/p2q2p1/1pRp2N1/1P1B2n1/3P4/PP3PPP/3Q1RK1 b - - 2 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 888
Best move: Qxh2#