| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. N van der Nat vs S Williams |
| 0-1 | 42 | 1998 | World Junior Championship | C18 French, Winawer |
| 2. O Salmensuu vs S Williams |
| ½-½ | 59 | 1998 | World Junior Championship | C18 French, Winawer |
| 3. M N Anderton vs S Williams |
| 0-1 | 30 | 1999 | Sutton op | C18 French, Winawer |
| 4. K A Mork vs S Williams |
| 0-1 | 52 | 1999 | Hampstead IM-B 5th | C18 French, Winawer |
| 5. U Atakisi vs S Williams |
 | 0-1 | 34 | 1999 | World Junior Championship | C18 French, Winawer |
| 6. Chandler vs S Williams |
| 1-0 | 31 | 2000 | BCF-chT 1999/00 (4NCL) | C18 French, Winawer |
| 7. M Thiruchelvam vs S Williams |
| 0-1 | 74 | 2000 | Smith & Williamson Young Masters | C18 French, Winawer |
| 8. D King vs S Williams |
| ½-½ | 24 | 2000 | Miercurea Ciuc | C18 French, Winawer |
| 9. A B Mata vs S Williams |
| 0-1 | 25 | 2001 | Southend op | C18 French, Winawer |
| 10. M Hebden vs S Williams |
| 1-0 | 39 | 2003 | Essent Open | C18 French, Winawer |
| 11. W Spoelman vs S Williams |
| 1-0 | 51 | 2003 | Essent Open | C18 French, Winawer |
| 12. H Rudolf vs S Williams |
| 0-1 | 41 | 2003 | Hastings Challengers 0304 | C18 French, Winawer |
| 13. Jakovenko vs S Williams |
| 1-0 | 36 | 2004 | Dos Hermanas | C18 French, Winawer |
| 14. E Gullaksen vs S Williams |
| 1-0 | 19 | 2004 | NOR-ch op | C18 French, Winawer |
| 15. Sasikiran vs S Williams |
| 1-0 | 26 | 2005 | Gibraltar Masters | C18 French, Winawer |
| 16. Areshchenko vs S Williams |
| 1-0 | 32 | 2005 | 2nd Coventry Chess International | C18 French, Winawer |
| 17. K Kulaots vs S Williams |
| 1-0 | 59 | 2005 | Gausdal Classics | C18 French, Winawer |
| 18. S Sulskis vs S Williams |
| ½-½ | 32 | 2006 | European Union Championship | C18 French, Winawer |
| 19. J Dworakowska vs S Williams |
| 1-0 | 27 | 2006 | Monarch Assurance 15th | C18 French, Winawer |
| 20. A Lehmann vs S Williams |
| ½-½ | 27 | 2007 | SUI-ch op | C18 French, Winawer |
| 21. A Greet vs S Williams |
| 1-0 | 28 | 2007 | Liverpool Open | C18 French, Winawer |
| 22. D Gormally vs S Williams |
| ½-½ | 11 | 2008 | SUI-ch op | C18 French, Winawer |
| 23. C Briscoe vs S Williams |
| 0-1 | 42 | 2008 | GBR-ch 95th | C18 French, Winawer |
| 24. T Ringoir vs S Williams |
| 0-1 | 26 | 2008 | European Union Championship | C18 French, Winawer |
| 25. I Snape vs S Williams |
| 1-0 | 47 | 2010 | Hastings 2009/10 | C18 French, Winawer |
Kibitzing
