[Event "Christmas Congress 1978/79-54 Premier"]
[Site "Hastings"]
[Date "1979.01.07"]
[Round "10"]
[White "Christiansen, Larry Mark"]
[Black "Botterill, George Steven"]
[Result "1-0"]
[WhiteElo "2475"]
[BlackElo "2390"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. d4 g6 6. Bd2 cxd4 7. Nxd4 Bg7 8. e4 Nb6 9. Be3 O-O 10. Be2 Nc6 11. Nxc6 bxc6 12. O-O Be6 13. Qc2 Qc8 14. Rfd1 c5 15. Rac1 Qb7 16. Bxc5 Rfc8 17. Be3 Bxa2 18. b3 Rxc3 19. Qxa2 Rxc1 20. Rxc1 Rc8 21. Rxc8+ Nxc8 22. Qa4 Kf8 23. Ba6 Qc7 24. Qc4 Qxc4 25. bxc4 Nb6 26. c5 Na8 27. c6 Nc7 28. Bc4 a6 29. f4 Ke8 30. Kf2 e6 31. e5 Bf8 32. Ke2 Bb4 33. Kd3 Kd8 34. Bb6 Kc8 35. Kc2 a5 36. Kb3 Bd2 37. g3 Be1 38. Ka4 Bd2 39. Bxa5 Bxa5 40. Kxa5 Na8 41. Kb5 Kc7 42. Kc5 Nb6 43. Bb3 Nc8 44. Bc2 Ne7 45. g4 Ng8 46. Be4 Ne7 47. h3 Ng8 48. h4 Ne7 49. Bf3 Ng8 50. h5 Ne7 51. Be4 gxh5 52. gxh5 h6 53. Kb5 Nc8 54. Kc5 Na7 55. Bg2 Nc8 56. Bf3 Ne7 57. Be4 Ng8 58. f5 exf5 59. Bxf5 Ne7 60. Be4 Nc8 61. Bf3 Nb6 62. Bd1 Nc8 63. Bb3 Nb6 64. Bxf7 Na4+ 65. Kd4 Nb6 66. Be8 Nc8 67. Bd7 Nb6 68. Ke4 Kd8 69. Kf5 Ke7 70. Be6 1-0