Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. I Biriescu vs V Inkiov |
| 1-0 | 41 | 1973 | Brasov Balkaniad | C00 French Defense |
27. E Ungureanu vs I Biriescu |
| 1-0 | 23 | 1977 | Timisoara | A34 English, Symmetrical |
28. I Biriescu vs N Illijin |
| ½-½ | 57 | 1977 | Timisoara | B40 Sicilian |
29. S Neamtu vs I Biriescu |
| ½-½ | 17 | 1977 | Timisoara | E91 King's Indian |
30. I Biriescu vs Jansa |
| 0-1 | 39 | 1977 | Timisoara | B85 Sicilian, Scheveningen, Classical |
31. V Ciocaltea vs I Biriescu |
| ½-½ | 58 | 1977 | Timisoara | B30 Sicilian |
32. I Biriescu vs D Sahovic |
| ½-½ | 61 | 1977 | Timisoara | B00 Uncommon King's Pawn Opening |
33. H Wirthensohn vs I Biriescu |
| ½-½ | 16 | 1977 | Timisoara | A22 English |
34. I Biriescu vs S Martinovic |
| 0-1 | 64 | 1977 | Timisoara | B94 Sicilian, Najdorf |
35. I Biriescu vs Kholmov |
| ½-½ | 17 | 1977 | Timisoara | C02 French, Advance |
36. M Todorcevic vs I Biriescu |
| 1-0 | 55 | 1977 | Timisoara | E63 King's Indian, Fianchetto, Panno Variation |
37. N Padevsky vs I Biriescu |
| 1-0 | 29 | 1977 | Timisoara | A31 English, Symmetrical, Benoni Formation |
38. M Tratatovici vs I Biriescu |
| 0-1 | 29 | 1977 | Romanian Championship | B33 Sicilian |
39. I Biriescu vs V Georgescu |
| 0-1 | 34 | 1977 | Romanian Championship | B99 Sicilian, Najdorf, 7...Be7 Main line |
40. I Biriescu vs Ftacnik |
| 0-1 | 41 | 1978 | Bucharest | B07 Pirc |
41. I Biriescu vs M Ghinda |
| ½-½ | 17 | 1978 | Bucharest | C94 Ruy Lopez, Closed, Breyer Defense |
42. I Biriescu vs V Stoica |
| ½-½ | 22 | 1978 | Bucharest | B94 Sicilian, Najdorf |
43. V Ciocaltea vs I Biriescu |
| 1-0 | 40 | 1978 | Bucharest | B30 Sicilian |
44. J Adamski vs I Biriescu |
| ½-½ | 11 | 1978 | Bucharest | A15 English |
45. I Biriescu vs E Ungureanu |
| ½-½ | 16 | 1978 | Bucharest | C00 French Defense |
46. N Minev vs I Biriescu |
| ½-½ | 10 | 1978 | Bucharest | A04 Reti Opening |
47. I Biriescu vs Uhlmann |
| ½-½ | 47 | 1978 | Bucharest | C15 French, Winawer |
48. I Biriescu vs Suba |
| ½-½ | 42 | 1978 | Bucharest | B80 Sicilian, Scheveningen |
49. Alburt vs I Biriescu |
 | 1-0 | 28 | 1978 | Bucharest | A31 English, Symmetrical, Benoni Formation |
50. J Bellon Lopez vs I Biriescu |
| ½-½ | 14 | 1978 | Bucharest | B01 Scandinavian |