Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_La_Bourdonnais_Variation
Moves: 1. e4 e6 2. f4 d5 3. exd5 exd5 4. Nf3 Nf6 5. d4 Bd6 6. Bd3 O-O 7. O-O c5 8.
dxc5 Bxc5+ 9. Kh1 Nc6 10. Ne5 Qc7 11. Nc3 Nxe5 12. fxe5 Qxe5 13. Bf4 Qe6 14.
Qf3 Bd7 15. Rae1 Qg4 16. Nxd5 Nxd5 17. Qxd5 Bc6 18. Qg5 *
Position (FEN): r4rk1/pp3ppp/2b5/2b3Q1/5Bq1/3B4/PPP3PP/4RR1K b - - 2 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1121
Best move: Bxg2#