Chess puzzle (Checkmate)
Moves: 1. b3 d5 2. Bb2 Bg4 3. Nf3 Bxf3 4. exf3 Nf6 5. f4 e6 6. g3 g6 7. Bg2 Bg7 8. O-O
O-O 9. d3 c6 10. Nd2 Nbd7 11. Re1 Ne8 12. Bxg7 Nxg7 13. Nf3 a5 14. Qd2 a4 15.
b4 a3 16. Rab1 Qb6 17. Rb3 Rfc8 18. c4 dxc4 19. dxc4 Rd8 20. Qc3 Nf5 21. Rxa3
Rxa3 22. Qxa3 Nd4 23. Rd1 Nf6 24. Nxd4 Rxd4 25. Rc1 Rd2 26. Qe3 Qxe3 27. fxe3
Ng4 28. Rc3 Rxa2 29. b5 cxb5 30. cxb5 Ra1+ 31. Bf1 Rb1 32. Kg2 Rb2+ 33. Kg1
Nxh2 34. Bg2 Ng4 35. Bxb7 Rxb5 36. Bf3 Nf6 37. Kf2 h5 38. Rd3 Kg7 39. Rd4 Rb2+
40. Kg1 Ne8 41. Rd7 Nf6 42. Rd4 Ng4 43. Bxg4 hxg4 44. Rd3 Kf6 45. Ra3 Kf5 46.
Ra4 f6 *
Position (FEN): 8/8/4ppp1/5k2/R4Pp1/4P1P1/1r6/6K1 w - - 0 47
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1325
Best move: e4#