Chess puzzle (Checkmate)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Accelerated_Move_Order
Moves: 1. d4 c6 2. c4 d5 3. Nc3 e6 4. cxd5 cxd5 5. Nf3 Nc6 6. Bg5 Be7 7. Bxe7 Ngxe7 8.
e3 Bd7 9. Bd3 Ng6 10. O-O a6 11. Rc1 O-O 12. Ne2 e5 13. dxe5 Ngxe5 14. Nxe5
Nxe5 15. Bb1 Be6 16. f4 Ng4 17. Qd3 Qb6 *
Position (FEN): r4rk1/1p3ppp/pq2b3/3p4/5Pn1/3QP3/PP2N1PP/1BR2RK1 w - - 3 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 606
Best move: Qxh7#