[Event "URS-ch50 Final"]
[Site "Moscow"]
[Date "1983.04.03"]
[Round "1"]
[White "Petrosian, Tigran V"]
[Black "Psakhis, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2580"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. d3 Be7 8. O-O O-O 9. a3 a5 10. Be3 Bg4 11. Rc1 Re8 12. Nd2 Qd7 13. Re1 Ra6 14. Bxb6 cxb6 15. Qa4 Bg5 16. e3 h5 17. Nde4 Bd8 18. d4 exd4 19. exd4 Ra8 20. h3 Bf5 21. d5 Na7 22. h4 Qxa4 23. Nxa4 Bxe4 24. Bxe4 Nb5 25. Bd3 Rxe1+ 26. Rxe1 Nd6 27. Nc3 Kf8 28. Nb5 Be7 29. a4 Nxb5 30. Bxb5 Rc8 31. b3 g6 32. Bc4 Bd6 33. Kg2 Re8 34. Rc1 Bc5 35. Rd1 Rd8 36. f3 Ke7 37. Re1+ Kd6 38. Bb5 Rc8 39. Bc4 Bd4 40. Re4 Be5 41. f4 Bf6 1/2-1/2