Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nf3 b6 5. Nc3 Bb7 6. Nb5 Na6 7. dxc5 Bxc5 8.
Bd6 Ne4 9. Bxc5 Naxc5 10. Nd6+ Nxd6 11. Qxd6 Qb8 12. O-O-O Qxd6 13. Rxd6 Ke7
14. Rd4 Ne4 15. Bb5 d5 16. Rf1 Rac8 17. Nd2 Nd6 18. Bd3 Rc7 19. f4 f5 20. Nf3
Rhc8 21. Ne5 a6 22. g4 g6 23. g5 Ne4 24. Bxe4 fxe4 25. c3 a5 26. h4 b5 27. a3
Ba6 28. Rh1 Rb8 29. h5 gxh5 30. Rxh5 Kd6 31. Rh6 b4 32. axb4 axb4 33. c4 Bxc4
34. Nxc4+ Rxc4+ 35. Rxc4 dxc4 36. Rxh7 Ra8 37. g6 Ra1+ 38. Kc2 Rg1 39. Rg7 Rg2+
40. Kc1 b3 41. Rg8 Ke7 42. g7 Kf7 43. Rc8 Rc2+ 44. Kb1 Kxg7 45. Rc5 Kf6 46. Re5
Re2 47. Rxe4 *
Position (FEN): 8/8/4pk2/8/2p1RP2/1p2P3/1P2r3/1K6 b - - 0 47
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 613
Best move: Re1#