Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. Nc3 Nf6 5. O-O Bd6 6. d3 a6 7. Be3 O-O 8. d4
b6 9. d5 Ne7 10. a4 c6 11. dxc6 dxc6 12. Qe2 Bb7 13. Rfd1 b5 14. axb5 cxb5 15.
Ba2 b4 16. Na4 Nxe4 17. Qd3 Qd7 18. Nxe5 Qxa4 19. Bb3 Qb5 20. Bc4 Qe8 21. Bxa6
Bxe5 22. Bxb7 Rxa1 23. Rxa1 Nd6 24. Bf3 Ng6 25. Bc5 Bxb2 26. Rb1 Be5 27. Bxd6
Bxd6 28. Qxd6 Ne5 29. Bd5 b3 30. Bxb3 Nc6 31. Bd5 Nd4 32. Bxf7+ Qxf7 33. Qxd4
Qa2 34. Qb2 Qd5 35. h3 Rd8 36. Qc1 Qd6 37. c4 Rc8 38. Qd1 Qf4 39. Qd5+ Kh8 40.
c5 Rf8 41. Rf1 Rf5 42. Qd6 Rf6 43. Qxf4 Rxf4 44. Rc1 Rf8 45. c6 Rc8 46. f4 Kg8
47. Kf2 Kf8 48. Ke3 Ke8 49. Rd1 Rxc6 50. Ke4 Ke7 51. g4 Re6+ 52. Kf5 *
Position (FEN): 8/4k1p1/4r2p/5K2/5PP1/7P/8/3R4 b - - 2 52
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1441
Best move: g6#