Chess puzzle (Checkmate)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Chigorin_Defense
Moves: 1. d4 d5 2. Nf3 c6 3. e3 Nd7 4. Bd3 Ngf6 5. c4 e6 6. Nc3 Bd6 7. O-O O-O 8. Qc2
h6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 e5 12. Bh7+ Kh8 13. b3 exd4 14. Nxd4 Be5
15. Bb2 Nf6 16. Nf5 Bxb2 17. Qxb2 Nxh7 *
Position (FEN): r1bq1r1k/pp3ppn/2p4p/5N2/2P5/1P6/PQ3PPP/R4RK1 w - - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 693
Best move: Qxg7#