Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. c4 c5 2. Nc3 e6 3. e4 a6 4. Nf3 Nf6 5. d4 cxd4 6. Nxd4 Be7 7. Bf4 O-O 8. Bd3
Nc6 9. Nf3 d5 10. cxd5 exd5 11. exd5 Nb4 12. O-O Nxd3 13. Qxd3 Bg4 14. Ne5 Bd6
15. Nxg4 Nxg4 16. Bxd6 Qxd6 17. Rad1 *
Position (FEN): r4rk1/1p3ppp/p2q4/3P4/6n1/2NQ4/PP3PPP/3R1RK1 b - - 1 17
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 399
Best move: Qxh2#