| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L Williams vs G Morris |
| ½-½ | 40 |
1992 |
WLS-ch | B84 Sicilian, Scheveningen |
| 2. Hebden vs L Williams |
| 1-0 | 29 |
1995 |
British ch | D02 Queen's Pawn Game |
| 3. M Sjoberg vs L Williams |
| 1-0 | 35 |
1996 |
EUCup Gr4 | E73 King's Indian |
| 4. L Williams vs B Abramovic |
| 0-1 | 51 |
1996 |
EUCup Gr4 | E32 Nimzo-Indian, Classical |
| 5. L Williams vs L Roos |
| ½-½ | 26 |
1996 |
EUCup Gr4 | A95 Dutch, Stonewall |
| 6. L Williams vs T Gelashvili |
| 0-1 | 26 |
1997 |
Ikaria op | A41 Queen's Pawn Game (with ...d6) |
| 7. Z Kozul vs L Williams |
| 1-0 | 55 |
2000 |
34th Olympiad | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 8. I White vs L Williams |
 | 0-1 | 17 |
2001 |
WLS-ch | B22 Sicilian, Alapin |
| 9. M Belli Pino vs L Williams |
| ½-½ | 22 |
2002 |
Bled Olympiad | B40 Sicilian |
| 10. L Williams vs D Sharavdorj |
| ½-½ | 54 |
2002 |
Bled Olympiad | E92 King's Indian |
| 11. L Williams vs E Dervishi |
| 0-1 | 51 |
2002 |
Bled Olympiad | D50 Queen's Gambit Declined |
| 12. L Williams vs V Grechihin |
 | 1-0 | 31 |
2002 |
Bled Olympiad | C00 French Defense |
| 13. A Aleksandrov vs L Williams |
 | 1-0 | 40 |
2002 |
Bled Olympiad | E00 Queen's Pawn Game |
| 14. Harikrishna vs L Williams |
| ½-½ | 45 |
2002 |
Bled Olympiad | E21 Nimzo-Indian, Three Knights |
| 15. E Dervishi vs L Williams |
| ½-½ | 57 |
2004 |
36th Olympiad | B89 Sicilian |
| 16. L Williams vs R Frick |
| ½-½ | 60 |
2004 |
36th Olympiad | D53 Queen's Gambit Declined |
| 17. L Williams vs Baburin |
 | 0-1 | 39 |
2004 |
36th Olympiad | B03 Alekhine's Defense |
| 18. Kiril Georgiev vs L Williams |
| 1-0 | 55 |
2004 |
36th Olympiad | A40 Queen's Pawn Game |
| 19. A Ramirez vs L Williams |
| 1-0 | 50 |
2004 |
36th Olympiad | B23 Sicilian, Closed |
| 20. S Kawuma vs L Williams |
| 0-1 | 62 |
2004 |
36th Olympiad | B07 Pirc |
| 21. L Williams vs G Van der Stricht |
| 0-1 | 52 |
2004 |
36th Olympiad | B86 Sicilian, Fischer-Sozin Attack |
| 22. L Williams vs Ermenkov |
 | 0-1 | 36 |
2004 |
36th Olympiad | B89 Sicilian |
| 23. J Bourne vs L Williams |
| 0-1 | 34 |
2004 |
Wales Fishguard op | C33 King's Gambit Accepted |
| 24. L Williams vs T Thamtavatvorn |
| 1-0 | 20 |
2004 |
36th Olympiad | C16 French, Winawer |
| 25. O De la Riva Aguado vs L Williams |
 | 1-0 | 15 |
2004 |
36th Olympiad | B40 Sicilian |