| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Gibson vs P Wallace |
| 0-1 | 29 |
1974 |
Mulcahy | A00 Uncommon Opening |
| 2. P Wallace vs J Brennan |
| 1-0 | 31 |
1974 |
Mulcahy | B23 Sicilian, Closed |
| 3. P Wallace vs Dgebuadze |
| 1-0 | 44 |
2006 |
European Union Individual Championships | C06 French, Tarrasch |
| 4. W Armstrong vs P Wallace |
| 0-1 | 31 |
2006 |
European Union Individual Championships | B08 Pirc, Classical |
| 5. P Wallace vs M Duke |
| 1-0 | 32 |
2006 |
European Union Individual Championships | B93 Sicilian, Najdorf, 6.f4 |
| 6. R Soikkeli vs P Wallace |
| 0-1 | 23 |
2006 |
European Union Individual Championships | C29 Vienna Gambit |
| 7. S Macgilchrist vs P Wallace |
| 0-1 | 31 |
2006 |
European Union Individual Championships | C45 Scotch Game |
| 8. I Teran-Alvarez vs P Wallace |
 | 0-1 | 27 |
2007 |
5th Gibraltar Chess Festival | C64 Ruy Lopez, Classical |
| 9. P Wallace vs C Walton |
| 1-0 | 59 |
2007 |
5th Gibraltar Chess Festival | C05 French, Tarrasch |
| 10. P Wallace vs A S Dekker |
| 1-0 | 19 |
2007 |
5th Gibraltar Chess Festival | B82 Sicilian, Scheveningen |
| 11. F Garcia Lechugo vs P Wallace |
| 0-1 | 38 |
2007 |
5th Gibraltar Chess Festival | A04 Reti Opening |
| 12. A Spice vs P Wallace |
| 0-1 | 63 |
2008 |
Guernsey Open | A00 Uncommon Opening |
| 13. P Wallace vs C Ippel |
| 1-0 | 36 |
2008 |
Guernsey Open | C05 French, Tarrasch |
| 14. P Wallace vs J Murray |
| 1-0 | 37 |
2008 |
Guernsey Open | B98 Sicilian, Najdorf |
| 15. P Wallace vs I Timmermans |
| 1-0 | 27 |
2008 |
Guernsey Open | C03 French, Tarrasch |