| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S R Mannion vs L Schandorff |
| 0-1 | 27 | 1988 | Thessaloniki Olympiad | B93 Sicilian, Najdorf, 6.f4 |
| 2. S R Mannion vs Sadler |
| 0-1 | 40 | 1992 | 16th Lloyds Bank Masters Open | B93 Sicilian, Najdorf, 6.f4 |
| 3. S R Mannion vs J Rowson |
| 1-0 | 40 | 1995 | Scottish Championship | B93 Sicilian, Najdorf, 6.f4 |
| 4. S R Mannion vs N Berry |
| ½-½ | 29 | 1997 | Perth op | B93 Sicilian, Najdorf, 6.f4 |
| 5. S R Mannion vs N Berry |
| 1-0 | 38 | 1998 | Aberdeen op | B93 Sicilian, Najdorf, 6.f4 |
| 6. S R Mannion vs V Gurevich |
| ½-½ | 27 | 1999 | Cappelle Open | B93 Sicilian, Najdorf, 6.f4 |
| 7. S R Mannion vs W Arencibia Rodriguez |
| ½-½ | 38 | 2000 | Istanbul Olympiad | B93 Sicilian, Najdorf, 6.f4 |
| 8. S R Mannion vs Plaskett |
| 0-1 | 44 | 2001 | 4NCL | B93 Sicilian, Najdorf, 6.f4 |
| 9. S R Mannion vs J Stevenson |
| 1-0 | 42 | 2001 | Scottish Championship | B93 Sicilian, Najdorf, 6.f4 |
| 10. S R Mannion vs K Ruxton |
 | 1-0 | 76 | 2004 | 111th Scottish Championship | B93 Sicilian, Najdorf, 6.f4 |
| 11. S R Mannion vs J Aagaard |
| ½-½ | 30 | 2004 | 111th Scottish Championship | B93 Sicilian, Najdorf, 6.f4 |
| 12. S R Mannion vs A Tate |
| ½-½ | 55 | 2007 | Isle of Man Masters | B93 Sicilian, Najdorf, 6.f4 |
| 13. S R Mannion vs J Rudd |
| 1-0 | 41 | 2013 | Hastings 2012/13 | B93 Sicilian, Najdorf, 6.f4 |
| 14. S R Mannion vs M Senders |
| ½-½ | 67 | 2014 | Cappelle Open | B93 Sicilian, Najdorf, 6.f4 |
| 15. S R Mannion vs M Burrows |
| 1-0 | 29 | 2015 | Hastings 2014/15 | B93 Sicilian, Najdorf, 6.f4 |
| 16. S R Mannion vs A Jaunooby |
| ½-½ | 73 | 2015 | Hastings 2014/15 | B93 Sicilian, Najdorf, 6.f4 |
| 17. S R Mannion vs A Donchenko |
| 0-1 | 49 | 2015 | Isle of Man Masters | B93 Sicilian, Najdorf, 6.f4 |
| 18. S R Mannion vs H Olafsson |
| 0-1 | 76 | 2015 | European Team Championship | B93 Sicilian, Najdorf, 6.f4 |
| 19. S R Mannion vs J Salomon |
| 0-1 | 91 | 2016 | Gibraltar Masters | B93 Sicilian, Najdorf, 6.f4 |
| 20. S R Mannion vs C Aravindh |
| 0-1 | 33 | 2016 | Isle of Man Masters | B93 Sicilian, Najdorf, 6.f4 |
| 21. S R Mannion vs Sun Xinyue |
| ½-½ | 68 | 2017 | Hastings 2017/18 | B93 Sicilian, Najdorf, 6.f4 |
| 22. S R Mannion vs T Beerdsen |
| 0-1 | 37 | 2022 | Kvika Reykjavik Open | B93 Sicilian, Najdorf, 6.f4 |
| 23. S R Mannion vs R Palliser |
| ½-½ | 26 | 2024 | British Championship | B93 Sicilian, Najdorf, 6.f4 |
Kibitzing
