| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Carlsson vs L Olsson |
| 1-0 | 32 |
2001 |
Nordic Championships | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 2. L Olsson vs B Lindberg |
| 1-0 | 27 |
2001 |
Nordic Championships | E00 Queen's Pawn Game |
| 3. S Bjarnason vs L Olsson |
| 1-0 | 40 |
2001 |
Nordic Championships | B92 Sicilian, Najdorf, Opocensky Variation |
| 4. L Olsson vs T Johansson |
| 1-0 | 41 |
2001 |
Nordic Championships | A42 Modern Defense, Averbakh System |
| 5. V Bachin vs L Olsson |
| 1-0 | 35 |
2003 |
World Junior Championships | B23 Sicilian, Closed |
| 6. S Nyysti vs L Olsson |
| 1-0 | 49 |
2005 |
15th European Team Championship | B90 Sicilian, Najdorf |
| 7. A Anastasian vs L Olsson |
| 1-0 | 30 |
2005 |
15th European Team Championship | A46 Queen's Pawn Game |
| 8. L Olsson vs V Minina |
| 1-0 | 32 |
2005 |
XXXV Rilton Cup | E73 King's Indian |
| 9. R Fontaine vs L Olsson |
| 1-0 | 35 |
2005 |
XXXV Rilton Cup | A45 Queen's Pawn Game |
| 10. S Cicak vs L Olsson |
| 1-0 | 51 |
2006 |
XXXV Rilton Cup | A01 Nimzovich-Larsen Attack |
| 11. L Olsson vs T Coleman |
| 1-0 | 38 |
2007 |
Politiken Cup | A04 Reti Opening |
| 12. L Olsson vs K Strand |
| 1-0 | 40 |
2007 |
Politiken Cup | D17 Queen's Gambit Declined Slav |
| 13. L Olsson vs G Finnlaugsson |
| 1-0 | 28 |
2007 |
Politiken Cup | A30 English, Symmetrical |
| 14. Rene Duchene vs L Olsson |
| 1-0 | 46 |
2007 |
Politiken Cup | D07 Queen's Gambit Declined, Chigorin Defense |
| 15. M Orndahl vs L Olsson |
| 1-0 | 40 |
2007 |
Scandinavian Chess Tournament | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 16. L Olsson vs B Nielsen |
| 1-0 | 49 |
2007 |
Politiken Cup | E05 Catalan, Open, Classical line |
| 17. L Olsson vs M Backmann |
| 1-0 | 62 |
2007 |
Scandinavian Chess Tournament | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 18. V Malakhov vs L Olsson |
| 1-0 | 48 |
2007 |
Politiken Cup | B50 Sicilian |
