Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. Bg5 Rc8
8. O-O Nf6 9. Nc3 e6 10. e5 dxe5 11. Nxe5 Bc6 12. Nxc6 Rxc6 13. Qxd8+ Kxd8 14.
Ne4 Be7 15. Bxf6 gxf6 16. Rad1+ Kc7 17. c3 f5 18. Ng3 h5 19. Ne2 h4 20. h3 Rg8
21. Rd2 Rd6 22. Rfd1 Rxd2 23. Rxd2 Bd6 24. Kf1 b5 25. Nd4 Bf4 26. Rd3 Be5 27.
Nf3 Bf6 28. a3 Kc6 29. Nd2 a5 30. Nb3 Kb6 31. Rd6+ Kc7 32. Ra6 a4 33. Nc5 Rd8
34. Ke2 Rd5 35. Nd3 Kb7 36. Nb4 Re5+ 37. Kd3 Be7 38. Ra5 Bxb4 39. axb4 Rd5+ 40.
Ke3 f6 41. g3 e5 42. gxh4 f4+ 43. Ke4 Rd2 44. Rxb5+ Kc6 45. Rc5+ Kd6 46. h5
Rxf2 47. Ra5 Rh2 48. Ra6+ Ke7 49. Rxa4 Rxh3 50. Ra7+ Ke6 51. b5 *
Position (FEN): 8/R7/4kp2/1P2p2P/4Kp2/2P4r/1P6/8 b - - 0 51
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 742
Best move: Re3#