Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. Nf3 a6 6. d3 b5 7. Bb3 Bb7 8.
Bg5 e6 9. Bxf6 gxf6 10. Ne4 Bxe4 11. dxe4 Nc6 12. Qd2 Rg8 13. O-O O-O-O 14. Qe3
Qc5 15. Qf4 Rg6 16. Rfd1 Bd6 17. Qh4 Rdg8 18. Ne1 Nd4 19. Qxh7 Nf3+ 20. Nxf3
Rxg2+ 21. Kh1 Qxf2 22. Qh5 Rxh2+ 23. Nxh2 *
Position (FEN): 2k3r1/2p2p2/p2bpp2/1p5Q/4P3/1B6/PPP2q1N/R2R3K b - - 0 23
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1716
Best move: Qg2#