Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Modern_Variation
Moves: 1. e4 d5 2. exd5 Nf6 3. d4 Bf5 4. Bd3 Bxd3 5. Qxd3 Qxd5 6. Nf3 Nc6 7. Nc3 Qh5
8. Bf4 e5 9. Bg3 Nb4 10. Qb5+ c6 11. Qxb7 Rd8 12. O-O-O e4 13. Rhe1 Qa5 14. a3
Nfd5 15. axb4 Bxb4 16. Qxc6+ Kf8 17. Nxd5 *
Position (FEN): 3r1k1r/p4ppp/2Q5/q2N4/1b1Pp3/5NB1/1PP2PPP/2KRR3 b - - 0 17
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1138
Best move: Qa1#