Chess puzzle (Checkmate)
Opening: Englund_Gambit, Englund_Gambit_Other_variations
Moves: 1. d4 e5 2. dxe5 Nc6 3. Bf4 Qe7 4. Nc3 Nxe5 5. Nf3 Nxf3+ 6. gxf3 d6 7. e4 a6 8.
Qd2 Be6 9. O-O-O O-O-O 10. Be3 Qd7 11. Nd5 Bxd5 12. Qxd5 Nf6 13. Qa5 Qc6 14.
Rd3 d5 15. Rc3 Qd6 16. Bxa6 Qxa6 *
Position (FEN): 2kr1b1r/1pp2ppp/q4n2/Q2p4/4P3/2R1BP2/PPP2P1P/2K4R w - - 0 17
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 879
Best move: Qxc7#