Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Gubinsky-Melts_Defense
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 Bg4 6. Bc4 c6 7. O-O Bxf3 8.
Qxf3 Qxd4 9. Bb3 Qg4 10. Qd3 Nbd7 11. Be3 e6 12. Rfe1 Bc5 13. f3 Bxe3+ 14. Rxe3
Qg6 15. Qd6 O-O-O 16. Nb5 Ne8 *
Position (FEN): 2krn2r/pp1n1ppp/2pQp1q1/1N6/8/1B2RP2/PPP3PP/R5K1 w - - 5 17
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1290
Best move: Nxa7#