[Event "IBM-18 Grootmeestergroep B"]
[Site "Amsterdam"]
[Date "1978.07.??"]
[Round "7"]
[White "De Roode, Peter"]
[Black "Christiansen, Larry Mark"]
[Result "0-1"]
[BlackElo "2490"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 Nc6 5. Bg2 O-O 6. Nf3 d5 7. O-O dxc4 8. Re1 Rb8 9. e4 b5 10. e5 Nd5 11. Ng5 Be7 12. Nge4 Ncb4 13. Bf1 Bd7 14. a3 Nxc3 15. bxc3 Nd3 16. Bxd3 cxd3 17. Qxd3 Bc6 18. h4 Qd5 19. f3 Qc4 20. Qxc4 bxc4 21. Nd2 Bd5 22. a4 Rfd8 23. Kf2 Kf8 24. Ba3 Bxa3 25. Rxa3 Rb2 26. Ke3 Rdb8 27. Rc1 a5 28. Raa1 Ke7 29. Rab1 Kd7 30. Rxb2 Rxb2 31. Rb1 Rc2 32. Ne4 Bxe4 33. Kxe4 Re2+ 34. Kf4 Ra2 35. Rb5 Rxa4 36. Rc5 c6 37. Ke3 Kc7 38. Ke4 Kb6 39. Kf4 h6 40. Kg4 Ra1 41. Rxc4 a4 42. Rb4+ Kc7 43. c4 a3 44. c5 g6 45. Ra4 a2 46. Ra3 Kd7 47. Ra4 Ke8 48. Ra5 Kf8 49. Ra4 Kg7 50. Ra7 h5+ 51. Kf4 Rd1 52. Rxa2 Rxd4+ 53. Ke3 Rd5 54. Ke4 Rxc5 55. Ra8 Rc1 56. Rc8 c5 57. Kf4 c4 58. Ke4 c3 59. Ke3 c2 60. Kf4 Kh7 61. Rc4 Kh6 62. Rc7 f6 63. exf6 Re1 0-1