Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 c6 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 dxc4 8.
Ne5 b5 9. Nxc6 Qc7 10. Qa5 Qxa5+ 11. Nxa5 Nd5 12. e4 Nb4 13. e5 Nd5 14. Nc3 Na6
15. Nxb5 O-O 16. Nxc4 Nab4 17. O-O Ba6 18. a4 Rac8 19. Bxd5 exd5 20. Ne3 Nc6
21. Rfd1 Rb8 22. Nc7 Be2 23. Rd2 Bf3 24. Ra3 Rb7 25. Nexd5 Bxd5 26. Nxd5 Rfb8
27. Rc3 Nb4 28. Ne3 Na2 29. Rc6 g6 30. Nc4 Nb4 31. Rc5 Na6 32. Ra5 Nb4 33. Kg2
Nc6 34. Rc5 Nb4 35. b3 Na6 36. Ra5 Nc7 37. Nd6 Rxb3 38. Rxa7 Ne6 39. Rxf7 R3b4
40. d5 Ng5 41. Rc7 Rxa4 42. Re2 Rd4 43. e6 Rxd5 44. e7 Rxd6 45. e8=Q+ Rxe8 *
Position (FEN): 4r1k1/2R4p/3r2p1/6n1/8/6P1/4RPKP/8 w - - 0 46
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 820
Best move: Rxe8#