[Event "SCO-ch"]
[Site "St Andrews SCO"]
[Date "1981.07.27"]
[EventDate "?"]
[Round "3"]
[Result "1/2-1/2"]
[White "Roderick M McKay"]
[Black "Mark J L Orr"]
[ECO "C00"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "128"]

1. e4 e6 2. Qe2 Nc6 3. Nf3 e5 4. g3 Bc5 5. c3 d6 6. Bg2 Bg4 7. b4 Bb6 8. a4 a5  9. b5 Nce7 10. d3 Nf6 11. Nbd2 O-O 12. h3 Bh5 13. Nc4 Bc5 14. g4 Bg6 15. O-O  Re8 16. Nh4 Nd7 17. Ne3 Nf8 18. Nhf5 Ne6 19. Rd1 c6 20. d4 exd4 21. cxd4 Ba7  22. Bb2 d5 23. e5 Nf4 24. Qf3 Nxg2 25. Kxg2 f6 26. exf6 gxf6 27. Ba3 Bxf5 28.  gxf5 Kh8 29. Kh1 Qd7 30. Rg1 Rg8 31. Qh5 Qe8 32. Qh4 Qf7 33. bxc6 bxc6 34. Rac1  Rxg1+ 35. Rxg1 Rg8 36. Rc1 Rd8 37. Bxe7 Qxe7 38. Rxc6 Qe4+ 39. Qxe4 dxe4 40.  Rxf6 Bxd4 41. Re6 Rf8 42. Rxe4 Bxe3 43. fxe3 Rxf5 44. Kg2 Kg7 45. Rg4+ Kh6 46.  Rc4 Kg5 47. Kg3 Re5 48. Kf3 Rf5+ 49. Ke4 h5 50. Rd4 Rf8 51. Rd5+ Kh4 52. Rxa5  Rh8 53. Kf3 Kxh3 54. Rf5 h4 55. a5 Rh6 56. Rf4 Ra6 57. Ra4 Rf6+ 58. Ke4 Kg3 59.  a6 Rf8 60. Ra1 h3 61. Kd5 Rc8 62. e4 h2 63. e5 Ra8 64. Rh1 1/2-1/2