Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nf3 d5 6. e5 Bd7 7. Bd3 Nge7 8. O-O
Ng6 9. Nc3 Qb6 10. Be3 Be7 11. Na4 Qd8 12. Nc5 Bxc5 13. dxc5 d4 14. Nxd4 Ncxe5
15. f4 Nxd3 16. Qxd3 Bc6 17. f5 Qd5 18. fxg6 *
Position (FEN): r3k2r/pp3ppp/2b1p1P1/2Pq4/3N4/3QB3/PP4PP/R4RK1 b kq - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 685
Best move: Qxg2#