Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 Qc7 6. c4 b5 7. Nc3 e5 8.
Qd3 bxc4 9. Qxc4 Qxc4 10. Bxc4 Bb4 11. Bd2 Rb8 12. a3 Ba5 13. b4 Bb6 14. Nd5
Bb7 15. Nxb6 axb6 16. f3 Ne7 17. O-O O-O 18. Bb5 Nc6 19. Be3 Bc8 20. Rfd1 f6
21. Rd6 Kf7 22. Bxc6 dxc6 23. Rxc6 b5 24. Rac1 Be6 25. Rd6 Rfc8 26. Rcd1 Rc3
27. R1d3 Rxd3 28. Rxd3 Rc8 29. Bc5 g5 30. g4 Ra8 31. Kg2 Kg6 32. Kg3 Bc4 33.
Rc3 h5 34. h3 h4+ 35. Kf2 Ra6 36. Ke3 Bf1 37. Kf2 Bxh3 38. Rd3 Kf7 39. Rd7+ Kg8
40. Rb7 Rxa3 41. Rxb5 Ra2+ 42. Ke3 Bf1 43. Rb8+ Kf7 44. Rb7+ Ke8 45. Be7 Bc4
46. Bxf6 *
Position (FEN): 4k3/1R6/5B2/4p1p1/1Pb1P1Pp/4KP2/r7/8 b - - 0 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 847
Best move: Re2#