Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nf3 g6 4. e3 Bg7 5. h3 c5 6. c3 Nc6 7. Be2 O-O 8. O-O
Nh5 9. Bh2 cxd4 10. exd4 Re8 11. Nbd2 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bxe5
Rxe5 15. Nf3 Re8 16. Nd4 Nf4 17. Re1 Qg5 18. Nf3 *
Position (FEN): r1b1r1k1/pp3p1p/6p1/3p2q1/5n2/2P2N1P/PP2BPP1/R2QR1K1 b - - 7 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 914
Best move: Qxg2#