| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. B Socko vs S Williams |
| 1-0 | 37 | 1996 | Wch U18 | B70 Sicilian, Dragon Variation |
| 2. T Middelburg vs S Williams |
| ½-½ | 63 | 2002 | Smith & Williamson YM 12th | B70 Sicilian, Dragon Variation |
| 3. C Balogh vs S Williams |
| ½-½ | 8 | 2002 | Budapest FS09 GM | B70 Sicilian, Dragon Variation |
| 4. G Singh vs S Williams |
| 1-0 | 36 | 2003 | British Championship | B70 Sicilian, Dragon Variation |
| 5. S Bogner vs S Williams |
| 0-1 | 54 | 2005 | Gausdal GM-A | B70 Sicilian, Dragon Variation |
| 6. M Al-Modiahki vs S Williams |
| 1-0 | 33 | 2005 | Amsterdam Chess Tournament | B70 Sicilian, Dragon Variation |
| 7. S Jessel vs S Williams |
| 1-0 | 45 | 2005 | British Championship | B70 Sicilian, Dragon Variation |
| 8. P Bobras vs S Williams |
| ½-½ | 21 | 2006 | Hastings 2005/06 | B70 Sicilian, Dragon Variation |
| 9. V Atlas vs S Williams |
| 1-0 | 56 | 2006 | European Club Cup | B70 Sicilian, Dragon Variation |
| 10. Lupulescu vs S Williams |
| 1-0 | 32 | 2007 | European Championship | B70 Sicilian, Dragon Variation |
| 11. M White vs S Williams |
 | ½-½ | 17 | 2007 | British Championship | B70 Sicilian, Dragon Variation |
| 12. D Ciuksyte vs S Williams |
| 0-1 | 29 | 2007 | British Championship | B70 Sicilian, Dragon Variation |
| 13. J Rudd vs S Williams |
| ½-½ | 31 | 2008 | Hastings 2008/09 | B70 Sicilian, Dragon Variation |
| 14. N Rutter vs S Williams |
| ½-½ | 19 | 2009 | BCF-chT2 0809 (4NCL) | B70 Sicilian, Dragon Variation |
| 15. T Heinatz vs S Williams |
| 0-1 | 26 | 2009 | SUI-ch | B70 Sicilian, Dragon Variation |
| 16. K Shiven vs S Williams |
| ½-½ | 22 | 2011 | 2nd Big Slick Tournament | B70 Sicilian, Dragon Variation |
| 17. M Burrows vs S Williams |
| 0-1 | 46 | 2011 | Sunningdale International Masters-D | B70 Sicilian, Dragon Variation |
| 18. D Eggleston vs S Williams |
| 0-1 | 47 | 2011 | Sunningdale International Masters-D | B70 Sicilian, Dragon Variation |
| 19. A McClement vs S Williams |
| 0-1 | 41 | 2011 | Sunningdale International Masters-D | B70 Sicilian, Dragon Variation |
| 20. L'Ami vs S Williams |
| 1-0 | 37 | 2018 | Isle of Man Masters | B70 Sicilian, Dragon Variation |
| 21. T O'Gorman vs S Williams |
| 1-0 | 57 | 2019 | Bunratty Masters | B70 Sicilian, Dragon Variation |
Kibitzing
