Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 c6 3. c4 dxc4 4. Bxc4 Nf6 5. Qb3 e6 6. Nf3 Bd6 7. Nc3 Qe7 8. Bd2
Nbd7 9. Ng5 b5 10. Be2 O-O 11. Nge4 Nxe4 12. Nxe4 Bb7 13. Nxd6 Qxd6 14. Bb4 c5
15. dxc5 Nxc5 16. Bxc5 Qxc5 17. O-O Qc6 18. Qxb5 *
Position (FEN): r4rk1/pb3ppp/2q1p3/1Q6/8/4P3/PP2BPPP/R4RK1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 801
Best move: Qxg2#