| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. E Gilfer vs G Lorson |
| 0-1 | 46 |
1952 |
Helsinki ol (Men) | C50 Giuoco Piano |
| 2. M Aleman Dovo vs G Lorson |
| 0-1 | 35 |
1952 |
Helsinki ol (Men) | C88 Ruy Lopez |
| 3. G Lorson vs C Doerner |
| 1-0 | 43 |
1952 |
Helsinki ol (Men) | E67 King's Indian, Fianchetto |
| 4. G Lorson vs Filip |
 | 0-1 | 38 |
1952 |
Helsinki ol (Men) | A15 English |
| 5. Grob vs G Lorson |
| 1-0 | 38 |
1952 |
Helsinki ol (Men) | C50 Giuoco Piano |
| 6. J Enevoldsen vs G Lorson |
| 1-0 | 51 |
1952 |
Helsinki ol (Men) | C78 Ruy Lopez |
| 7. G Lorson vs J de Souza Mendes |
| 0-1 | 37 |
1952 |
Helsinki ol (Men) | A14 English |
| 8. G Lorson vs Schmid |
| 0-1 | 40 |
1952 |
Helsinki ol (Men) | D48 Queen's Gambit Declined Semi-Slav, Meran |
| 9. E Gilfer vs G Lorson |
| 1-0 | 64 |
1952 |
Helsinki ol (Men) | E80 King's Indian, Samisch Variation |
| 10. G Lorson vs Najdorf |
| 0-1 | 40 |
1952 |
Helsinki | E94 King's Indian, Orthodox |
| 11. E Myhre vs G Lorson |
 | 0-1 | 38 |
1952 |
Helsinki ol (Men) | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 12. G Lorson vs G Gaitanaros |
| 0-1 | 33 |
1952 |
Helsinki ol (Men) | E67 King's Indian, Fianchetto |
| 13. Golombek vs G Lorson |
| 1-0 | 57 |
1952 |
Helsinki ol (Men) | E60 King's Indian Defense |
| 14. V Maher vs G Lorson |
| 0-1 | 49 |
1954 |
Amsterdam ol (Men) | E26 Nimzo-Indian, Samisch |
| 15. F R Anderson vs G Lorson |
| 1-0 | 46 |
1954 |
Amsterdam ol (Men) | B76 Sicilian, Dragon, Yugoslav Attack |
| 16. G Lorson vs M Raizman |
| 1-0 | 47 |
1954 |
Amsterdam ol (Men) | A34 English, Symmetrical |
| 17. G Lorson vs A Nielsen |
| ½-½ | 21 |
1954 |
Amsterdam ol (Men) | A32 English, Symmetrical Variation |
| 18. G Lorson vs P Lindblom |
| 0-1 | 47 |
1954 |
Amsterdam ol (Men) | A15 English |
| 19. E R Lundin vs G Lorson |
| 1-0 | 38 |
1954 |
Amsterdam ol (Men) | B74 Sicilian, Dragon, Classical |
| 20. J Anagnostou vs G Lorson |
| 0-1 | 41 |
1954 |
Amsterdam ol (Men) | A04 Reti Opening |
| 21. G Lorson vs A Nielsen |
| ½-½ | 32 |
1954 |
Amsterdam ol (Men) | A15 English |
| 22. G Lorson vs A Beni |
| 0-1 | 72 |
1954 |
Amsterdam ol (Men) | A15 English |
| 23. O Katajisto vs G Lorson |
| ½-½ | 27 |
1954 |
Amsterdam ol (Men) | E41 Nimzo-Indian |
| 24. G Lorson vs M Raizman |
| ½-½ | 48 |
1954 |
Amsterdam ol (Men) | A13 English |
| 25. A Vestol vs G Lorson |
| ½-½ | 37 |
1954 |
Amsterdam ol (Men) | B72 Sicilian, Dragon |