[Event "Vidmar Memorial-04"]
[Site "Ljubljana/Portoroz"]
[Date "1977.06.03"]
[Round "2"]
[White "Sosonko, Gennadi"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2615"]

1. d4 d6 2. e4 g6 3. Nf3 Bg7 4. Be2 Nf6 5. Nc3 O-O 6. O-O a6 7. Re1 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. Be3 Qd6 11. h3 Rd8 12. Qd3 e6 13. dxe6 Bxe6 14. Qxd6 Rxd6 15. Rad1 Rc6 16. f3 Bf8 17. f4 Bh6 18. Rf1 Re8 19. Rf3 exf4 20. Bxf4 Bxf4 21. Rxf4 Nd7 22. Bg4 Bxg4 23. Rxg4 Ne5 24. Rg3 Kg7 25. b3 Ree6 26. Kf2 Rcd6 27. Rxd6 Rxd6 28. Ke2 f6 29. Nd5 c6 30. Nf4 Kf7 31. Nd3 Nd7 32. Ke3 Ke6 33. Rg4 Kf7 34. Rf4 b6 35. Rh4 Kg7 36. Rf4 Re6 37. Kd4 Ne5 38. Rf2 Kf7 39. Rd2 Ke7 40. Ke3 a5 41. a4 Nd7 42. Kf4 Rd6 43. Re2 Ke6 44. Ke3 h5 45. Nf4+ Kf7 46. Nd3 Re6 47. c3 Re8 48. Kd4 h4 49. Rf2 Nf8 50. Ke3 Ne6 51. Ne5+ Kg7 52. Nxc6 Nc5 53. e5 fxe5 54. b4 Nxa4 55. bxa5 Nxc3 56. axb6 Nd5+ 57. Ke4 Nxb6 58. Rb2 Nc4 59. Rb4 Nd2+ 60. Kd3 Nf1 61. Rxh4 Ng3 62. Ra4 Re6 63. Nb4 e4+ 64. Ke3 Nf5+ 65. Ke2 Rb6 66. Nc2 Rb3 67. Rb4 Rc3 68. Kd2 Rd3+ 69. Ke2 Ng3+ 70. Kf2 Kf6 71. Ne3 Nh1+ 72. Ke2 Ke5 73. Rb5+ Kf4 74. Nd5+ Kg3 75. Nf6 Kf4 1/2-1/2