Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. E Gigerl vs Petursson |
| 0-1 | 30 | 1975 | World Junior Championship | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
2. Petursson vs V Gaspar |
| 1-0 | 41 | 1975 | World Junior Championship | A15 English |
3. A Kuligowski vs Petursson |
| 1-0 | 28 | 1975 | World Junior Championship | E82 King's Indian, Samisch, double Fianchetto Variation |
4. Petursson vs J F Villarreal Felix |
| ½-½ | 74 | 1975 | World Junior Championship | A10 English |
5. C Hoi vs Petursson |
| ½-½ | 46 | 1975 | World Junior Championship | A45 Queen's Pawn Game |
6. Petursson vs A Pablo Marin |
| ½-½ | 60 | 1975 | World Junior Championship | A10 English |
7. R F Henao vs Petursson |
| 1-0 | 40 | 1975 | World Junior Championship | B46 Sicilian, Taimanov Variation |
8. Petursson vs D Bernstein |
| 0-1 | 58 | 1975 | World Junior Championship | A15 English |
9. S Al Attar vs Petursson |
| 1-0 | 42 | 1975 | World Junior Championship | E75 King's Indian, Averbakh, Main line |
10. Petursson vs K Tikkanen |
| ½-½ | 42 | 1975 | World Junior Championship | A10 English |
11. J Raphael vs Petursson |
| 0-1 | 32 | 1975 | World Junior Championship | B45 Sicilian, Taimanov |
12. Petursson vs B Kouatly |
| 0-1 | 26 | 1975 | World Junior Championship | A15 English |
13. F Bonapart vs Petursson |
| 0-1 | 53 | 1975 | World Junior Championship | E61 King's Indian |
14. Petursson vs C Doucet |
| 1-0 | 26 | 1975 | 11th Junior International Tournament | E08 Catalan, Closed |
15. J O Fries-Nielsen vs Petursson |
| 0-1 | 27 | 1975 | 11th Junior International Tournament | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
16. M Svenn vs Petursson |
| ½-½ | 43 | 1975 | 11th Junior International Tournament | B84 Sicilian, Scheveningen |
17. B de Jonghe vs Petursson |
| 0-1 | 33 | 1975 | 11th Junior International Tournament | B99 Sicilian, Najdorf, 7...Be7 Main line |
18. Petursson vs D Cramling |
| 1-0 | 42 | 1975 | 11th Junior International Tournament | A39 English, Symmetrical, Main line with d4 |
19. I Rogers vs Petursson |
| ½-½ | 39 | 1976 | Wch U16 | A02 Bird's Opening |
20. Petursson vs I Morovic Fernandez |
| 1-0 | 66 | 1976 | Wch U16 | E17 Queen's Indian |
21. Petursson vs G Waters |
| 1-0 | 77 | 1976 | Wch U16 | D94 Grunfeld |
22. P Cramling vs Petursson |
| 1-0 | 32 | 1976 | Wch U16 | A34 English, Symmetrical |
23. Petursson vs Chandler |
| ½-½ | 32 | 1976 | Wch U16 | A23 English, Bremen System, Keres Variation |
24. D Barlov vs Petursson |
| 1-0 | 44 | 1976 | 11th Junior International Tournament | B46 Sicilian, Taimanov Variation |
25. Petursson vs Vladimirov |
| ½-½ | 46 | 1976 | 11th Junior International Tournament | D15 Queen's Gambit Declined Slav |