Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nge2 c6 6. O-O d6 7. d3 Nbd7 8. h3
Re8 9. Kh2 Nf8 10. a3 Ba5 11. f4 d5 12. f5 dxe4 13. Nxe4 Nxe4 14. Bxe4 f6 15.
g4 g5 16. fxg6 hxg6 17. Bh6 Kh7 18. Be3 Bc7 19. Ng3 Kg7 20. Qf3 Ne6 21. Kg2
Nf4+ 22. Kh1 Be6 23. Ne2 g5 24. Nxf4 exf4 25. Bd2 Rh8 26. Kg2 Qd7 27. Rh1 Rh6
28. Bc3 Rah8 29. Rae1 Be5 30. Bxe5 fxe5 31. c3 Kf6 32. Rd1 Bd5 33. d4 exd4 34.
Rxd4 Bxe4 35. Qxe4 Qe6 36. Qxe6+ Kxe6 37. Re1+ Kf7 38. Rd7+ Kf6 39. Rd6+ Kf7
40. Rd7+ Kf6 41. Rde7 f3+ 42. Kf2 Rxh3 *
Position (FEN): 7r/pp2R3/2p2k2/6p1/6P1/P1P2p1r/1P3K2/4R3 w - - 0 43
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1187
Best move: R1e6#