Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Normal_Defense
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 b6 5. Nf3 Be7 6. Bd3 Bb7 7. O-O O-O 8. a3
Nbd7 9. b4 c5 10. bxc5 bxc5 11. Rb1 Bc6 12. a4 Rb8 13. Rxb8 Qxb8 14. Ba3 dxc4
15. Bxc4 Ng4 16. h3 Bxf3 17. Qxf3 *
Position (FEN): 1q3rk1/p2nbppp/4p3/2p5/P1BP2n1/B1N1PQ1P/5PP1/5RK1 b - - 0 17
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 832
Best move: Qh2#