Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Other_variations
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 Bf5 4. e4 Bd7 5. Bxc4 e6 6. Nge2 Bb4 7. O-O Nf6 8.
e5 Bxc3 9. bxc3 Nd5 10. Bxd5 exd5 11. Ba3 b6 12. Nf4 Qg5 13. Qf3 Nc6 14. Nxd5
O-O-O 15. Be7 Nxe7 16. Nxe7+ Qxe7 *
Position (FEN): 2kr3r/p1pbqppp/1p6/4P3/3P4/2P2Q2/P4PPP/R4RK1 w - - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 858
Best move: Qa8#