Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. d4 Bg7 3. c3 Nf6 4. Bd3 O-O 5. h3 d6 6. Nf3 e5 7. d5 Nbd7 8. O-O
Nc5 9. Re1 Nfd7 10. Be3 a5 11. Bxc5 Nxc5 12. Bc2 f5 13. Nbd2 f4 14. Nh2 g5 15.
f3 h5 16. Ndf1 Qf6 17. b4 axb4 18. cxb4 Na6 19. a3 Qg6 20. Bd3 Kh8 21. Ra2 Nxb4
22. Ra1 Na6 23. Bxa6 Rxa6 24. Qc2 c6 25. dxc6 Rxc6 26. Qb2 g4 27. hxg4 hxg4 28.
fxg4 Bxg4 29. Nxg4 Qxg4 30. Nh2 Qg6 31. Nf3 Bf6 32. Kf2 Qg3+ 33. Kf1 Rg8 34.
Qf2 Qg6 35. Ra2 Rgc8 36. Nh4 Qh5 37. Nf3 Qh1+ 38. Qg1 Qxg1+ 39. Kxg1 Rc1 40.
Kf2 Rxe1 41. Kxe1 Rc3 42. Ke2 Re3+ 43. Kf2 Rxe4 44. Rb2 Ra4 45. Rxb7 Rxa3 46.
Rb6 Be7 47. Rb7 Bf8 48. Ng5 Ra8 49. Ne4 Rd8 50. Nf6 d5 *
Position (FEN): 3r1b1k/1R6/5N2/3pp3/5p2/8/5KP1/8 w - - 0 51
White to move.
Themes:  Endgame Arabian Mate, Mate in 1 
Puzzle rating: 784
Best move: Rh7#