Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. d3 e5 3. Nd2 Bc5 4. g3 d6 5. h3 Be6 6. Ngf3 Nc6 7. c3 O-O 8. Bg2
Qd7 9. Ng5 h6 10. Nxe6 fxe6 11. O-O Nh7 12. Nf3 Qf7 13. h4 Qg6 14. b4 Bb6 15.
a4 a5 16. b5 Ne7 17. Qb3 Rf6 18. d4 Qxe4 19. Nxe5 Qf5 20. Nd7 Rf7 21. Nxb6 cxb6
22. Bf4 e5 23. dxe5 dxe5 24. Be3 Rf8 25. Bxb6 e4 26. Rae1 Nf6 27. Bd4 Ned5 28.
Bxf6 Nxf6 29. Qc4 Re8 30. Re3 g5 31. hxg5 hxg5 32. Rfe1 Kg7 33. Bxe4 Nxe4 34.
Qd4+ Kg6 35. Rxe4 Rxe4 36. Qxe4 Qxe4 37. Rxe4 Kf5 38. Re3 g4 39. Kg2 Rc7 40. f3
Rc4 41. fxg4+ Kxg4 42. Rd3 Rxa4 43. Rd7 Ra2+ 44. Kf1 Kxg3 45. Ke1 Kf3 46. Kd1
b6 47. Rd6 Ke3 48. Rxb6 Kd3 49. Rc6 *
Position (FEN): 8/8/2R5/pP6/8/2Pk4/r7/3K4 b - - 2 49
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1377
Best move: Ra1#