Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Classical_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nb3 a6 7. Bc4 e6 8. O-O
Be7 9. f4 O-O 10. Qf3 b5 11. Bd3 Bb7 12. Qh3 Nb4 13. e5 Nxd3 14. exf6 Bxf6 15.
Qxd3 Qb6+ 16. Be3 Qc6 17. Na5 *
Position (FEN): r4rk1/1b3ppp/p1qppb2/Np6/5P2/2NQB3/PPP3PP/R4RK1 b - - 4 17
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 425
Best move: Qxg2#