| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Gallagher vs J Bellin |
 | 1-0 | 21 |
1984 |
London | B12 Caro-Kann Defense |
| 2. J Gallagher vs E Schiller |
| 1-0 | 42 |
1986 |
It (young masters) | B12 Caro-Kann Defense |
| 3. J Gallagher vs A Dunn |
| 1-0 | 34 |
1993 |
Lloyds Bank Masters | B12 Caro-Kann Defense |
| 4. J Gallagher vs A Huss |
| 1-0 | 28 |
1994 |
Bad Ragaz | B17 Caro-Kann, Steinitz Variation |
| 5. J Gallagher vs V Tukmakov |
| 1-0 | 48 |
1994 |
Geneve op | B12 Caro-Kann Defense |
| 6. J Gallagher vs Sundararajan |
| 1-0 | 25 |
1999 |
Ch Great Britain, Scarborough (England) | B17 Caro-Kann, Steinitz Variation |
| 7. J Gallagher vs Van der Sterren |
| 1-0 | 45 |
2000 |
34th Olympiad | B18 Caro-Kann, Classical |
| 8. J Gallagher vs R Zenklusen |
| 1-0 | 32 |
2005 |
Swiss Championships | B17 Caro-Kann, Steinitz Variation |
| 9. J Gallagher vs H Dekan |
| 1-0 | 39 |
2005 |
Lenk Open | B18 Caro-Kann, Classical |
| 10. J Gallagher vs Y Simbolon |
| 1-0 | 56 |
2008 |
2008 Olympiad | B18 Caro-Kann, Classical |
| 11. J Gallagher vs B Vuckovic |
| 1-0 | 53 |
2009 |
10th European Individual Championship | B18 Caro-Kann, Classical |
| 12. J Gallagher vs Boehnisch |
| 1-0 | 57 |
2010 |
European Individual Championships | B18 Caro-Kann, Classical |
| 13. J Gallagher vs N Maevsky |
| 1-0 | 34 |
2011 |
12th European Individual Championship | B18 Caro-Kann, Classical |
| 14. J Gallagher vs O N Al Ali |
| 1-0 | 46 |
2013 |
Tradewise Gibraltar | B18 Caro-Kann, Classical |
