[Event "URS-ch46 Semifinal"]
[Site "Daugavpils"]
[Date "1978.??.??"]
[Round "?"]
[White "Arbakov, Valentin"]
[Black "Petrushin, Alexander I"]
[Result "1-0"]
[BlackElo "2355"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4 Kh8 12. Ng2 Ng8 13. h4 a5 14. g5 Nc5 15. Kh2 Rf7 16. Rh1 f4 17. Kg1 Bf8 18. Kf2 h6 19. Rh2 Rh7 20. Qh1 c6 21. Rb1 Ra7 22. b3 b6 23. dxc6 hxg5 24. Nd5 Ne6 25. Bb2 Nf6 26. c7 Raxc7 27. Nxc7 Qxc7 28. hxg5 Qc5+ 29. Ke1 Rxh2 30. Qxh2+ Nh5 31. Kd2 Kg8 32. Qg1 Nd4 33. Nh4 Kf7 34. Bc3 Ng3 35. Bd1 Be7 36. Kd3 Bxg5 37. Bxd4 exd4 38. Ng2 Nf5 39. Qh2 Ng7 40. Rb2 d5 41. Nxf4 dxc4+ 42. bxc4 Qa3+ 43. Bb3 a4 44. Nd5 Kg8 45. f4 Bd8 46. Kxd4 axb3 47. axb3 Ne6+ 48. Ke3 Qa1 49. Rd2 Qb1 50. Qg3 Kf8 51. b4 Qc1 52. Qh2 Kg7 53. Qe2 Bh4 54. Qd1 Qa3+ 55. Rd3 Qa2 56. Qd2 Qa7 57. Qb2+ Kg8 58. Ra3 Qf7 59. Qe5 Bd8 60. Ra8 Qb7 61. Qb8 Qh7 62. Nf6+ Bxf6 63. Qxc8+ Nd8 64. Qxd8+ 1-0