| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. E Gudmundsson vs T Ernst |
| 0-1 | 51 | 1978 | DEN-chJ int | B72 Sicilian, Dragon |
| 2. I Asmundsson vs E Gudmundsson |
| 1-0 | 48 | 1979 | ISL-ch | B31 Sicilian, Rossolimo Variation |
| 3. I Wells vs E Gudmundsson |
| 0-1 | 41 | 1980 | World Cadet U17 4th | B42 Sicilian, Kan |
| 4. N Davies vs E Gudmundsson |
| ½-½ | 14 | 1982 | Hamar Astoria | E12 Queen's Indian |
| 5. J Tisdall vs E Gudmundsson |
| ½-½ | 16 | 1982 | Hamar Astoria | E15 Queen's Indian |
| 6. E Gudmundsson vs L Sapi |
| ½-½ | 39 | 1982 | Hamar Astoria | A31 English, Symmetrical, Benoni Formation |
| 7. E Gudmundsson vs R Bjerke |
| 1-0 | 29 | 1982 | Hamar Astoria | E14 Queen's Indian |
| 8. E Gudmundsson vs D de Lange |
| 1-0 | 33 | 1982 | Hamar Astoria | D56 Queen's Gambit Declined |
| 9. K Berg vs E Gudmundsson |
| 1-0 | 43 | 1982 | Hamar Astoria | D59 Queen's Gambit Declined, Tartakower |
| 10. E Gudmundsson vs B Stein |
| ½-½ | 21 | 1982 | Hamar Astoria | A55 Old Indian, Main line |
| 11. E Gudmundsson vs S A Johansen |
| ½-½ | 58 | 1982 | Hamar Astoria | E10 Queen's Pawn Game |
| 12. J Fedorowicz vs E Gudmundsson |
| ½-½ | 23 | 1982 | Hamar Astoria | B17 Caro-Kann, Steinitz Variation |
| 13. D Gurevich vs E Gudmundsson |
 | 1-0 | 125 | 1982 | Reykjavik Open | D37 Queen's Gambit Declined |
| 14. E Gudmundsson vs B M Kogan |
| ½-½ | 59 | 1982 | Reykjavik Open | D60 Queen's Gambit Declined, Orthodox Defense |
| 15. Westerinen vs E Gudmundsson |
| ½-½ | 46 | 1982 | Reykjavik Open | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 16. E Gudmundsson vs H Karlsson |
| 1-0 | 54 | 1982 | Reykjavik Open | A13 English |
| 17. Shamkovich vs E Gudmundsson |
| 1-0 | 32 | 1982 | Reykjavik Open | B14 Caro-Kann, Panov-Botvinnik Attack |
| 18. E Gudmundsson vs K Thorsteins |
| ½-½ | 30 | 1982 | Reykjavik Open | A31 English, Symmetrical, Benoni Formation |
| 19. S Briem vs E Gudmundsson |
| 1-0 | 32 | 1982 | Reykjavik Open | B21 Sicilian, 2.f4 and 2.d4 |
| 20. E Gudmundsson vs M Solmundarson |
| 1-0 | 49 | 1982 | Reykjavik Open | C10 French |
| 21. E Gudmundsson vs R Gruenberg |
| ½-½ | 29 | 1982 | Reykjavik Open | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 22. K Frey Beckman vs E Gudmundsson |
| 0-1 | 34 | 1982 | Reykjavik Open | B14 Caro-Kann, Panov-Botvinnik Attack |
| 23. E Gudmundsson vs K Bischoff |
| ½-½ | 15 | 1982 | Reykjavik Open | A42 Modern Defense, Averbakh System |
| 24. S Thorisson vs E Gudmundsson |
| 0-1 | 32 | 1982 | Gausdal Young Masters | B44 Sicilian |
| 25. B Ostenstad vs E Gudmundsson |
| 1-0 | 29 | 1982 | Gausdal Young Masters | A30 English, Symmetrical |
Kibitzing
