| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Gordon vs S R Mannion |
| ½-½ | 11 | 2003 | Preston Open | D27 Queen's Gambit Accepted, Classical |
| 2. N Berry vs S R Mannion |
| 0-1 | 38 | 2004 | Hawick op | D27 Queen's Gambit Accepted, Classical |
| 3. P Adams vs S R Mannion |
| ½-½ | 18 | 2007 | Isle of Man Masters | D27 Queen's Gambit Accepted, Classical |
| 4. V Hamitevici vs S R Mannion |
 | 1-0 | 24 | 2010 | Khanty-Mansiysk Olympiad | D27 Queen's Gambit Accepted, Classical |
| 5. M Ternault vs S R Mannion |
| 0-1 | 25 | 2013 | Hastings 2012/13 | D27 Queen's Gambit Accepted, Classical |
| 6. A Sumets vs S R Mannion |
| ½-½ | 53 | 2013 | Hastings 2012/13 | D27 Queen's Gambit Accepted, Classical |
| 7. J Burnett vs S R Mannion |
| ½-½ | 28 | 2014 | Hastings 2013/14 | D27 Queen's Gambit Accepted, Classical |
| 8. H Ramstad vs S R Mannion |
| 0-1 | 46 | 2014 | Hastings 2014/15 | D27 Queen's Gambit Accepted, Classical |
| 9. P Talsma vs S R Mannion |
| 1-0 | 61 | 2015 | Hastings 2014/15 | D27 Queen's Gambit Accepted, Classical |
| 10. I Stohl vs S R Mannion |
| ½-½ | 26 | 2015 | World Senior Teams +50 | D27 Queen's Gambit Accepted, Classical |
| 11. S Cholleti vs S R Mannion |
| ½-½ | 32 | 2019 | Gibraltar Masters | D27 Queen's Gambit Accepted, Classical |
| 12. S Royal vs S R Mannion |
| ½-½ | 23 | 2022 | EJCOA IM 3rd | D27 Queen's Gambit Accepted, Classical |
| 13. A Mensing vs S R Mannion |
| ½-½ | 42 | 2023 | Prague Open-A | D27 Queen's Gambit Accepted, Classical |
| 14. L Koridze vs S R Mannion |
| ½-½ | 18 | 2023 | Prague Open-A | D27 Queen's Gambit Accepted, Classical |
| 15. M Mica vs S R Mannion |
| ½-½ | 44 | 2023 | 21st Marienbad B2 IM | D27 Queen's Gambit Accepted, Classical |
Kibitzing
