Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8.
Ne2 Qc7 9. h3 Re8 10. O-O Nd7 11. Qc2 Nf8 12. Be3 Be6 13. Qd2 b5 14. Bf4 a6 15.
Bxd6 Qxd6 16. Nf4 Re7 17. Nxe6 Rxe6 18. Rfe1 Rae8 19. Rxe6 Qxe6 20. Rd1 g6 21.
Kf1 Qxa2 22. b4 Qxd2 23. Rxd2 Ne6 24. Ra2 Nc7 25. f3 f5 26. Kf2 Re6 27. c4 Kf8
28. d5 cxd5 29. cxd5 Nxd5 30. Rb2 Ke7 31. Bb1 Rd6 32. Ba2 Nc3 33. Bb3 Rd4 34.
Rc2 Nd5 35. Bxd5 Rxd5 36. Rc7+ Ke6 37. Rc6+ Rd6 38. Rc7 f4 39. Ke2 h5 40. Ra7
f6 41. Rg7 Kf5 42. Ra7 Rd4 43. Rxa6 Rxb4 44. Rb6 Rb2+ 45. Kf1 Kg5 46. Kg1 b4
47. h4+ Kxh4 48. Rxf6 g5 49. Kh2 b3 50. Rb6 Rb1 51. Rb4 b2 *
Position (FEN): 8/8/8/6pp/1R3p1k/5P2/1p4PK/1r6 w - - 0 52
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 812
Best move: g3#