Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Ragozin_Defense
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. Bg5 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5
8. Qb3 c6 9. e3 Nbd7 10. Bd3 h6 11. Bf4 b5 12. Bb1 Qe7 13. Ne5 Nxe5 14. Bxe5 a5
15. Qc2 b4 16. Bxf6 Qxf6 *
Position (FEN): r1b2rk1/5pp1/2p2q1p/p2p4/1p1P4/2P1P3/P1Q2PPP/RB2K2R w KQ - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 399
Best move: Qh7#