Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 O-O 5. d3 d6 6. Nf3 Bb4 7. O-O Bg4 8. a3
Bxc3 9. bxc3 Bxf3 10. Bxf3 Nbd7 11. Bg5 h6 12. Bd2 Rb8 13. Rb1 c6 14. Qc2 Nc5
15. e3 g5 16. d4 exd4 17. cxd4 Ne6 18. Bg4 Nxg4 19. h3 Nf6 20. e4 Nxd4 21. Qd3
Ne6 22. f4 Nc5 23. Qc2 Nfxe4 24. fxg5 hxg5 25. Rf5 Nxg3 26. Bxg5 Qb6 27. Kh2
Qc7 28. Bf6 Nxf5 29. Qg2+ Kh7 30. Kh1 Rg8 31. Qc2 Qd7 32. Rf1 Rg3 33. Rxf5
Rxh3+ 34. Kg2 Rh6 35. Rh5+ Kg8 36. Rxh6 Qg4+ 37. Kh1 Qf3+ 38. Qg2+ Qxg2+ 39.
Kxg2 Ne4 *
Position (FEN): 1r4k1/pp3p2/2pp1B1R/8/2P1n3/P7/6K1/8 w - - 1 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 735
Best move: Rh8#