Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. e5 c6 7. Nf3 N8d7 8. Bd3
Bb4 9. a3 Bxc3+ 10. bxc3 Nd5 11. Bd2 a5 12. O-O b5 13. Rb1 a4 14. h3 N7b6 15.
Qe2 O-O 16. Bxh7+ Kxh7 17. Ng5+ Kg8 18. Qh5 f6 *
Position (FEN): r1bq1rk1/6p1/1np1pp2/1p1nP1NQ/p2P4/P1P4P/3B1PP1/1R3RK1 w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 965
Best move: Qh7#