Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. c4 dxc4 6. Bxc4 O-O 7. Nc3 a6 8.
Nge2 b5 9. Bd5 c6 10. Bf3 Bb7 11. O-O Qc7 12. g3 c5 13. Bxb7 Qxb7 14. dxc5 Bxc5
15. Rc1 Nc6 16. Ne4 Be7 17. Nf4 Rfd8 18. Qh5 Ne5 19. Qf5 g6 20. Nxf6+ Bxf6 21.
Qxf6 Nf3+ 22. Kh1 Nd2+ 23. Kg1 Nf3+ 24. Kh1 Nd2+ 25. Kg1 Nxf1 26. Rxf1 Rd7 27.
h4 Rad8 28. h5 Rd6 29. Qe5 Qd7 30. e4 Re8 31. Qc3 Rxe4 32. h6 f6 33. Kg2 Qc6
34. Qxc6 Rxc6 35. Rd1 Re7 36. Rd8+ Kf7 37. Rh8 f5 38. Rxh7+ Kf6 39. Nd5+ Kg5
40. Nxe7 Rc7 41. Kh3 Kh5 42. f4 b4 43. Nxf5 Rxh7 *
Position (FEN): 8/7r/p5pP/5N1k/1p3P2/6PK/PP6/8 w - - 0 44
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 921
Best move: g4#