Chess puzzle (Checkmate)
Opening: Slav_Defense, Slav_Defense_Three_Knights_Variation
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bf4 e6 6. a3 Be7 7. e3 Nh5 8. Bg3
Nxg3 9. hxg3 h6 10. c5 Bf6 11. Rb1 O-O 12. Bd3 e5 13. b4 e4 14. Bxe4 dxe4 15.
Nxe4 Be7 16. Qd3 Nf6 17. Neg5 Nd5 *
Position (FEN): r1bq1rk1/pp2bpp1/2p4p/2Pn2N1/1P1P4/P2QPNP1/5PP1/1R2K2R w K - 5 18
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 563
Best move: Qh7#