Chess puzzle (Checkmate)
Opening: Slav_Defense, Slav_Defense_Exchange_Variation
Moves: 1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 e6 5. Nf3 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8.
e3 Nc6 9. Bd3 e5 10. dxe5 Nxe5 11. Bc2 Nc4 12. Rb1 Nxb2 13. Qd2 Nc4 14. Qd3 Qa5
15. Nd4 O-O *
Position (FEN): r1b2rk1/pp3ppp/5b2/q2p4/2nN4/2NQP3/P1B2PPP/1R2K2R w K - 6 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 709
Best move: Qxh7#