Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bg4 5. Bd3 e6 6. O-O Nc6 7. c3 Nf6 8. Be3
Bd6 9. Nbd2 O-O 10. Qe2 a6 11. b4 Rc8 12. a3 Ne7 13. Rfc1 Bf5 14. Bg5 Bxd3 15.
Qxd3 Nd7 16. Nb3 Qc7 17. Nc5 Nc6 18. Re1 Nxc5 19. bxc5 Be7 20. Bxe7 Nxe7 21.
Ne5 Nc6 22. Nxc6 Qxc6 23. Rab1 Rb8 24. Rb3 Rfc8 25. Reb1 h6 26. h3 Qd7 27. Rb6
Rc6 28. Qc2 e5 29. dxe5 Rxc5 30. Rd6 Qe7 31. Qf5 Rxc3 32. Rd7 Qe6 33. Qxe6 fxe6
34. Rbxb7 Rxb7 35. Rxb7 Rxa3 36. Rb6 Kf7 37. Rb7+ Kg6 38. Re7 Ra1+ 39. Kh2 Re1
40. f4 a5 41. h4 Kf5 42. g3 a4 43. Ra7 Re4 44. Kh3 Rc4 45. h5 d4 46. Kg2 d3 47.
Kf3 d2 *
Position (FEN): 8/R5p1/4p2p/4Pk1P/p1r2P2/5KP1/3p4/8 w - - 0 48
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1240
Best move: g4#