Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Symmetrical_Variation
Moves: 1. d4 Nf6 2. Nf3 d5 3. g3 Bg4 4. Bg2 e6 5. O-O c6 6. b3 Bd6 7. Bb2 Nbd7 8. Nbd2
h5 9. c4 h4 10. c5 Bc7 11. b4 hxg3 12. fxg3 Nh5 13. Ne5 Nxg3 14. hxg3 Nf6 15.
Nxg4 Nxg4 16. e4 Qg5 17. exd5 Qh5 18. Qf3 *
Position (FEN): r3k2r/ppb2pp1/2p1p3/2PP3q/1P1P2n1/5QP1/PB1N2B1/R4RK1 b kq - 2 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 847
Best move: Qh2#