Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. O-O-O b5 7. e5 Ng4 8. exd6
Nxe3 9. Qxe3 Qxd6 10. Kb1 O-O 11. Ne4 Qc7 12. h4 Be6 13. h5 Qa5 14. a3 b4 15.
hxg6 hxg6 16. Nc5 Bd5 17. Qh3 Rd8 18. axb4 Qa2+ 19. Kc1 Qa1+ 20. Kd2 Qxb2 21.
Qc3 Bxd4 22. Qxb2 Bxb2 23. Bd3 a5 24. c3 axb4 25. cxb4 Ra2 26. Ke3 Bc3 27. Nf3
Bxb4 28. Ne4 Ba5 29. Bc4 Bb6+ 30. Kf4 Bc7+ 31. Ke3 Bb6+ 32. Kf4 Nd7 33. Bxd5
cxd5 34. Rxd5 e6 35. Rd6 Bc7 36. Kg4 Bxd6 37. Nxd6 Rb8 38. Kg3 Rb4 39. Rc1 Rbb2
40. Rc7 Kg7 41. Rxd7 Rxf2 42. Rxf7+ Kg8 43. Rf6 Rxg2+ 44. Kf4 Kg7 45. Rxe6 Ra4+
46. Ne4 Re2 47. Ng5 Rf2+ 48. Ke3 Rf8 49. Re7+ Kh6 *
Position (FEN): 5r2/4R3/6pk/6N1/r3N3/4K3/8/8 w - - 9 50
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 689
Best move: Rh7#