Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Bb5+ Nc6
8. O-O O-O 9. Nb3 Bb6 10. Bg5 h6 11. Bh4 Bg4 12. h3 Bh5 13. c3 Ne5 14. Nbd4
Bxd4 15. Qxd4 Nxf3+ 16. gxf3 Bxf3 17. Kh2 Qd6+ 18. Bg3 Qe6 19. Rae1 Qf5 20. Rg1
Ne4 21. Bd6 g5 22. Bxf8 Qf4+ 23. Rg3 Nxg3 *
Position (FEN): r4Bk1/pp3p2/7p/1B1p2p1/3Q1q2/2P2bnP/PP3P1K/4R3 w - - 0 24
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 880
Best move: Qg7#