Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 c6 3. e3 Bf5 4. c3 Nf6 5. Nf3 e6 6. Qb3 Qb6 7. Nbd2 Nbd7 8. Ne5
Bd6 9. Nxd7 Qxb3 10. Nxf6+ gxf6 11. axb3 e5 12. dxe5 fxe5 13. Bg3 h5 14. Nf3 f6
15. Bh4 Ke7 16. Kd2 a6 17. Bd3 e4 18. Be2 exf3 19. Bxf3 Rag8 20. g3 Ke6 21.
Rhe1 Be4 22. Bxe4 dxe4 23. Ra4 f5 24. b4 Be7 25. Bxe7 Kxe7 26. h4 Ke6 27. Ra5
Rg7 28. Rc5 Rd8+ 29. Kc2 Rgd7 30. Re2 Rd6 31. Ra5 Ra8 32. Rd2 Rxd2+ 33. Kxd2 b6
34. Ra1 Kd5 35. Kc2 Kc4 36. Rd1 c5 37. bxc5 Kxc5 38. b4+ Kc6 39. Kb3 a5 40.
bxa5 bxa5 41. Rd4 Kc5 42. Ka4 Rb8 43. Ka3 Rb1 44. Rd7 Rf1 45. Rh7 Kc4 46. Rxh5
Kxc3 47. Rxf5 *
Position (FEN): 8/8/8/p4R2/4p2P/K1k1P1P1/5P2/5r2 b - - 0 47
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 750
Best move: Ra1#