Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Colle_System
Moves: 1. d4 d5 2. e3 e6 3. Nf3 Nf6 4. a3 Nc6 5. b4 Be7 6. Bb2 O-O 7. Nbd2 Ne4 8. Nxe4
dxe4 9. Nd2 f5 10. c4 a6 11. Qb3 b6 12. Rc1 a5 13. b5 a4 14. Qc3 Na5 15. d5
exd5 *
Position (FEN): r1bq1rk1/2p1b1pp/1p6/nP1p1p2/p1P1p3/P1Q1P3/1B1N1PPP/2R1KB1R w K - 0 16
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 643
Best move: Qxg7#