Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. g3 Nf6 3. f3 Nc6 4. Nc3 e6 5. Bg5 Be7 6. Qd2 h6 7. Bxf6 Bxf6 8.
O-O-O a6 9. h4 Bd7 10. g4 Qe7 11. e3 g5 12. hxg5 Bxg5 13. f4 Bf6 14. g5 Bg7 15.
Nf3 O-O-O 16. Na4 hxg5 17. Rxh8 Rxh8 18. Nxg5 f6 19. Nf3 Qe8 20. Nc5 Bf8 21.
Qc3 Bxc5 22. Qxc5 Qf8 23. Qc3 Qb4 24. Qd3 f5 25. Ne5 Nxe5 26. dxe5 Bb5 27. Qc3
Qxc3 28. bxc3 Bxf1 29. Rxf1 Rh3 30. Kd2 c5 31. Re1 c4 32. Kc1 Kc7 33. Kb2 Kc6
34. Ka3 Rh2 35. Rg1 Rxc2 36. Rg6 Rxc3+ 37. Kb4 Rxe3 38. Rxe6+ Kc7 39. Re7+ Kc8
40. Kc5 c3 41. Kd6 d4 *
Position (FEN): 2k5/1p2R3/p2K4/4Pp2/3p1P2/2p1r3/P7/8 w - - 0 42
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 735
Best move: Re8#