Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 c6 4. Nf3 h6 5. a3 Be7 6. Bd3 Nd7 7. e5 c5 8. Ne2 c4
9. O-O cxd3 10. Qxd3 a6 11. c4 Nb6 12. c5 Nd7 13. Ng3 f5 14. Nh5 g6 15. Nf4 Nf8
16. b4 Bd7 17. a4 h5 18. h4 Bxh4 19. Nxh4 Qxh4 20. Ba3 Qxf4 21. b5 axb5 22.
axb5 Ne7 23. Rac1 Rxa3 24. Qxa3 Qxd4 25. c6 bxc6 26. bxc6 Nxc6 27. Qd6 Qxe5 28.
Rxc6 Qxd6 29. Rxd6 Ke7 30. Rb6 g5 31. Re1 h4 32. Rb8 g4 33. Rb6 f4 34. Ra6 Kf6
35. Ra5 Ng6 36. Ra7 Bb5 37. Rb1 Bd3 38. Rbb7 h3 39. gxh3 Rxh3 40. Rf7+ Ke5 41.
Ra3 Rh4 42. Rxd3 Ke4 43. Ra3 Ne5 44. Rf6 Nf3+ 45. Kf1 e5 46. Ke2 Nd4+ 47. Kf1
f3 *
Position (FEN): 8/8/5R2/3pp3/3nk1pr/R4p2/5P2/5K2 w - - 0 48
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 868
Best move: Re3#