Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 e6 3. Nf3 Nc6 4. O-O d6 5. c3 Nf6 6. d4 cxd4 7. cxd4 Nxe4 8.
Nc3 Nxc3 9. bxc3 Be7 10. d5 exd5 11. Qxd5 Be6 12. Qb5 Bxc4 13. Qxc4 O-O 14. Qg4
Ne5 15. Nxe5 dxe5 16. Be3 b6 17. Rad1 Qc8 18. Qg3 f6 19. Bh6 Rf7 20. f4 Bc5+
21. Kh1 exf4 22. Bxf4 Rd7 23. Qf3 Rxd1 24. Rxd1 Qf8 25. Qd5+ Kh8 26. Bc7 Re8
27. h3 h6 28. Qb7 a5 29. Bxb6 Bxb6 30. Qxb6 Qa3 31. Qc6 Rf8 32. Qc4 Re8 33. Rd5
Qc1+ 34. Kh2 Qe3 35. Rxa5 Re4 36. Ra8+ Kh7 37. Qg8+ Kg6 38. Qb8 Qxc3 39. Qg3+
Qxg3+ 40. Kxg3 Re1 41. a4 Ra1 42. a5 f5 43. a6 Kh5 44. Ra7 g5 45. Kh2 Ra2 46.
Rf7 f4 47. a7 Kh4 48. Rf6 h5 49. Rf7 f3 50. Rxf3 Rxa7 *
Position (FEN): 8/r7/8/6pp/7k/5R1P/6PK/8 w - - 0 51
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 913
Best move: g3#