Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Ranken_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 bxc6 6. Nxe5 Qe7 7. d4 d6 8.
Nxc6 Qe6 9. O-O Be7 10. Re1 O-O 11. e5 dxe5 12. Nxe5 Bd6 13. Nc6 Qf5 14. Ne7+
Bxe7 15. Rxe7 Bb7 16. Rxc7 Rab8 17. Ne2 Qg6 18. Bf4 *
Position (FEN): 1r3rk1/1bR2ppp/p4nq1/8/3P1B2/8/PPP1NPPP/R2Q2K1 b - - 4 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 706
Best move: Qxg2#