Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 g6 6. Bc4 Bg7 7. Be3 Nf6 8.
Qd2 O-O 9. Bh6 Nc6 10. O-O a6 11. a4 Na5 12. Ba2 Qc7 13. Rac1 Nc6 14. Bxg7 Kxg7
15. Nd5 Qd8 16. Nxf6 Kxf6 17. Rfe1 Kg7 18. Nd4 Ne5 19. f4 Ng4 20. h3 Nh6 21.
Kh1 e5 22. Nf3 exf4 23. Qxf4 Bd7 24. Ng5 Bxa4 25. h4 Qe7 26. h5 Qe5 27. Qxe5+
dxe5 28. hxg6 hxg6 29. Rc7 Rab8 30. Kg1 Bc6 31. Bd5 Bxd5 32. exd5 Rfe8 33. d6
Rbd8 34. d7 Re7 35. Rxb7 Rdxd7 36. Rb6 a5 37. Ra1 e4 38. Rxa5 e3 39. Nf3 Ng4
40. Ra1 e2 41. Re1 Rd1 42. Rc6 Rxe1+ 43. Nxe1 Rd7 44. Rc4 Ne3 45. Re4 Nd1 46.
Rxe2 g5 47. Nc2 f6 48. Ne3 Nxe3 49. Rxe3 Rd1+ 50. Kh2 Rd2 51. Rb3 Kg6 52. Kh3
Kh5 53. g3 *
Position (FEN): 8/8/5p2/6pk/8/1R4PK/1P1r4/8 b - - 0 53
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 902
Best move: g4#