Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Bg4 8. Qb3
Qb6 9. Nge2 Qxb3 10. axb3 Nbd7 11. f3 Bh5 12. Nf4 Bg6 13. Nxg6 hxg6 14. h3 a6
15. Kf2 Nh5 16. Bxe7 Kxe7 17. b4 f5 18. g4 Nhf6 19. gxf5 gxf5 20. Bxf5 Rh5 21.
Bd3 Rah8 22. Rag1 Rxh3 23. Rxh3 Rxh3 24. Rxg7+ Kf8 25. Rg2 Rh1 26. Na4 Ra1 27.
Nc5 Nxc5 28. bxc5 Ng8 29. Kg3 Ne7 30. Rh2 Ra2 31. Kf4 a5 32. Ke5 a4 33. Ke6 Ng8
34. Rh7 Rxb2 35. Rf7+ Ke8 36. Bg6 a3 37. Rxb7+ Kd8 38. Ra7 a2 39. Kd6 Ne7 40.
Rxe7 a1=Q *
Position (FEN): 3k4/4R3/2pK2B1/2Pp4/3P4/4PP2/1r6/q7 w - - 0 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 783
Best move: Re8#