Chess puzzle (Checkmate)
Moves: 1. g3 d6 2. Bg2 Nc6 3. c4 e5 4. d3 h6 5. Nf3 Nf6 6. O-O Be7 7. Nbd2 O-O 8. Ne4
Nh7 9. a3 f5 10. Nc3 f4 11. gxf4 exf4 12. Ne4 Ng5 13. Kh1 Nxf3 14. Bxf3 Nd4 15.
Bg2 Bf5 16. Rg1 Bxe4 17. Bxe4 f3 18. Bd5+ Kh7 19. Be4+ Kh8 20. Bxh6 gxh6 21.
exf3 Rg8 22. Qd2 Rxg1+ 23. Rxg1 Qf8 24. Rg6 Bg5 25. Rxg5 hxg5 26. Qxg5 Qg7 27.
Qh5+ Kg8 28. Qd5+ Kf8 29. Qxb7 Rd8 30. Qxa7 Ne6 31. Qe3 Ke7 32. Bd5 Qg6 33. f4
Rg8 34. Qe1 Qf5 35. b4 Rh8 36. d4 Qh3 37. Qg1 Nxf4 38. Qg7+ Kd8 39. Qf6+ Kc8
40. Qxf4 *
Position (FEN): 2k4r/2p5/3p4/3B4/1PPP1Q2/P6q/5P1P/7K b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1074
Best move: Qf1#