[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "11"]
[White "Wade, Robert Graham"]
[Black "Langeweg, Kick"]
[Result "0-1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Be3 Be7 6. h3 O-O 7. Nf3 c6 8. d5 cxd5 9. cxd5 Ne8 10. g4 a6 11. a4 a5 12. Bb5 Nc7 13. Rc1 Na6 14. Nd2 Bg5 15. Nc4 Bxe3 16. Nxe3 Ndc5 17. Bxa6 bxa6 18. O-O Rb8 19. Rc2 Rb4 20. f3 Bd7 21. Rg2 Qb6 22. Kh1 Rb8 23. Nf5 Bxf5 24. gxf5 Rxb2 25. Rfg1 Rxg2 26. Rxg2 Qd8 27. Qd2 Qh4 28. Kh2 Rb3 29. Rg4 Qd8 30. Rg2 Kf8 31. Rg1 h6 32. Rb1 Rxb1 33. Nxb1 Nxa4 34. f6 Qxf6 35. Qxa5 Nc5 36. Na3 Qf4+ 37. Kg2 Qg5+ 38. Kh2 Qf4+ 39. Kg2 Qg5+ 40. Kh2 g6 41. Nc4 Nxe4 42. fxe4 Qf4+ 43. Kg1 Qc1+ 44. Kh2 Qxc4 45. Qd8+ Kg7 46. Qxd6 Qe2+ 47. Kg1 Qe3+ 48. Kh2 Qf4+ 49. Kg1 Qg3+ 50. Kf1 Qxh3+ 51. Ke2 Qg2+ 52. Ke3 Qg3+ 53. Kd2 Qf2+ 54. Kc3 Qd4+ 55. Kb3 Qxe4 56. Qd8 Qd3+ 57. Kb2 e4 58. d6 e3 59. Qe7 e2 0-1