Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Bg5 Qc7 7. Nb5 Qb6 8. a4
a6 9. a5 Qc6 10. Nc3 Qc7 11. Na4 Nc6 12. c3 cxd4 13. cxd4 Qxa5+ 14. Bd2 Qc7 15.
Bd3 Be7 16. Rc1 b5 17. Nc3 Bb7 18. Bb1 Rc8 19. O-O Nb6 20. Bf4 h6 21. Ne1 Qd7
22. Bg3 Nc4 23. b3 Na3 24. Ba2 Nb4 25. Qd2 Nxa2 26. Nxa2 Rxc1 27. Nxc1 O-O 28.
Ned3 b4 29. Nxb4 Nb5 30. Ne2 Rc8 31. Ra1 Qc7 32. f3 a5 33. Nd3 Qc2 34. Qxc2
Rxc2 35. Rxa5 Rxe2 36. Rxb5 Ba6 37. Rb8+ Kh7 38. Nb4 Bxb4 39. Rxb4 g5 40. Rb6
Bd3 41. h3 Rb2 42. b4 Rb1+ 43. Kh2 Rb2 44. Kg1 h5 45. h4 g4 46. Rb7 Kg6 47. Rb8
gxf3 48. gxf3 Be2 49. Kf2 Bc4+ 50. Ke3 Kf5 51. Rf8 *
Position (FEN): 5R2/5p2/4p3/3pPk1p/1PbP3P/4KPB1/1r6/8 b - - 6 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1246
Best move: Re2#