[Event "Vilnius"]
[Site "Vilnius"]
[Date "1978.??.??"]
[Round "4"]
[White "Piesina, Gintautas"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[BlackElo "2620"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. Nf3 Bg7 6. e4 O-O 7. Be2 e6 8. O-O exd5 9. cxd5
Re8 10. Nd2 Nbd7 11. a4 Ne5 12. Kh1 g5 13. Ra3 a6 14. Qc2 b6 15. f4 gxf4 16. Rxf4 Rb8 17.
Nd1 Ng6 18. Rf2 Qe7 19. Bf3 b5 20. axb5 axb5 21. b3 Bd7 22. Qa2 Ne5 23. Be2 Bh6 24. Rf1
Rb7 25. Qb1 Ng6 26. Bd3 Bg4 27. Nf3 Bxc1 28. Qxc1 Nxe4 29. Ra2 Qd8 30. Ne3 Bd7 31. Ra6 f5
32. g3 Qe7 33. Ng2 c4 34. Bxe4 fxe4 35. Nd4 Qe5 36. Qe3 Bh3 37. Rc1 Bxg2+ 38. Kxg2 cxb3
39. Nxb3 Ne7 40. Rf1 Nxd5 41. Qh6 e3 42. Rxd6 e2 43. Re1 0-1