Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Colle_System
Moves: 1. d4 d5 2. e3 Nf6 3. Nf3 c5 4. Be2 e6 5. O-O a6 6. c4 Nc6 7. a3 Ne4 8. b3 Bd6
9. h3 b5 10. cxd5 exd5 11. dxc5 Bxc5 12. Bb2 O-O 13. Qc2 Qc7 14. b4 Bd6 15.
Nbd2 Bf5 16. Nxe4 Bxe4 17. Qc3 Bxf3 *
Position (FEN): r4rk1/2q2ppp/p1nb4/1p1p4/1P6/P1Q1Pb1P/1B2BPP1/R4RK1 w - - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 845
Best move: Qxg7#