Chess puzzle (Checkmate)
Moves: 1. e4 Nc6 2. d4 e6 3. Nf3 d6 4. Nc3 g6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. O-O h6 8. d5
Bd7 9. dxe6 Bxe6 10. Nd5 Qd7 11. c4 O-O-O 12. b4 Bxd5 13. cxd5 f5 14. exf5 gxf5
15. Nd4 Bg7 16. Rb1 Bxd4 17. Qxd4 Ne7 18. Qxa7 Qe8 19. Qa8+ Kd7 20. Qxb7 Rg8
21. a4 Qh5 22. Bf4 Rxg2+ 23. Kxg2 Rg8+ 24. Kh1 *
Position (FEN): 6r1/1Qpkn3/3p3p/3P1p1q/PP3B2/8/5P1P/1R3R1K b - - 2 24
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1049
Best move: Qf3#