Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Austrian_Defense
Moves: 1. d4 d5 2. c4 c5 3. cxd5 cxd4 4. Qxd4 Nf6 5. Nf3 Bf5 6. Nc3 Nbd7 7. e4 Bg6 8.
Bb5 a6 9. Be2 Qc7 10. O-O Rc8 11. e5 Nh5 12. e6 fxe6 13. dxe6 Nc5 14. Ne5 Nxe6
15. Qe3 Nhf4 16. Nxg6 Nxe2+ 17. Qxe2 hxg6 18. Qxe6 *
Position (FEN): 2r1kb1r/1pq1p1p1/p3Q1p1/8/8/2N5/PP3PPP/R1B2RK1 b k - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 688
Best move: Qxh2#