| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Ivkov vs Biyiasas |
| ½-½ | 42 |
1973 |
Petropolis | E92 King's Indian |
| 2. Savon vs Biyiasas |
 | 1-0 | 71 |
1973 |
Petropolis izt | E81 King's Indian, Samisch |
| 3. D A Berry vs Biyiasas |
| 0-1 | 27 |
1975 |
Lone Pine | E92 King's Indian |
| 4. A Kushnir vs Biyiasas |
| 0-1 | 65 |
1975 |
Lone Pine | E69 King's Indian, Fianchetto, Classical Main line |
| 5. Gheorghiu vs Biyiasas |
| 0-1 | 34 |
1976 |
Manila izt | E82 King's Indian, Samisch, double Fianchetto Variation |
| 6. Panno vs Biyiasas |
| 1-0 | 40 |
1976 |
Manila izt | E69 King's Indian, Fianchetto, Classical Main line |
| 7. Hort vs Biyiasas |
| 1-0 | 35 |
1976 |
Manila | E69 King's Indian, Fianchetto, Classical Main line |
| 8. Ribli vs Biyiasas |
| ½-½ | 74 |
1976 |
Manila izt | E69 King's Indian, Fianchetto, Classical Main line |
| 9. Roy Ervin vs Biyiasas |
| 1-0 | 63 |
1977 |
open | E82 King's Indian, Samisch, double Fianchetto Variation |
| 10. Sahovic vs Biyiasas |
| ½-½ | 46 |
1978 |
Lone Pine | E92 King's Indian |
| 11. Bisguier vs Biyiasas |
| 1-0 | 41 |
1978 |
USA | E61 King's Indian |
| 12. Speelman vs Biyiasas |
| ½-½ | 41 |
1978 |
Hastings | E97 King's Indian |
| 13. H Ree vs Biyiasas |
| ½-½ | 18 |
1978 |
Lone Pine | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 14. A Kuligowski vs Biyiasas |
| 1-0 | 41 |
1978 |
Buenos Aires ol (Men) | E80 King's Indian, Samisch Variation |
| 15. Christiansen vs Biyiasas |
| ½-½ | 48 |
1978 |
Hastings | E92 King's Indian |
| 16. A Lein vs Biyiasas |
| ½-½ | 28 |
1978 |
Lone Pine | E76 King's Indian, Four Pawns Attack |
| 17. L Day vs Biyiasas |
| 0-1 | 37 |
1978 |
Toronto zt | E80 King's Indian, Samisch Variation |
| 18. Speelman vs Biyiasas |
| 0-1 | 37 |
1979 |
Hastings | E61 King's Indian |
| 19. Hort vs Biyiasas |
| ½-½ | 91 |
1979 |
Lone Pine | E73 King's Indian |
| 20. H Olafsson vs Biyiasas |
| ½-½ | 34 |
1979 |
Lone Pine op | E92 King's Indian |
| 21. P Youngworth vs Biyiasas |
| 1-0 | 48 |
1980 |
Lone Pine | E99 King's Indian, Orthodox, Taimanov |
| 22. G Ligterink vs Biyiasas |
| 0-1 | 44 |
1980 |
Wijk aan Zee I | E73 King's Indian |
| 23. J S Neto vs Biyiasas |
| ½-½ | 55 |
1980 |
Wijk aan Zee I | E91 King's Indian |
| 24. H Bohm vs Biyiasas |
 | 0-1 | 61 |
1980 |
Wijk aan Zee | E72 King's Indian |
| 25. Korchnoi vs Biyiasas |
| 1-0 | 43 |
1980 |
Wijk aan Zee | E61 King's Indian |