| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. O C Moen vs P Mack |
| 0-1 | 29 | 1972 | Norwich Junior | C05 French, Tarrasch |
| 2. P Mack vs J Tarjan |
| 0-1 | 36 | 1972 | Norwich Junior | A07 King's Indian Attack |
| 3. S Velickovic vs P Mack |
| ½-½ | 101 | 1972 | Norwich Junior | A07 King's Indian Attack |
| 4. P Mack vs M Stean |
| ½-½ | 14 | 1972 | Norwich Junior | D90 Grunfeld |
| 5. M Pujol Sans vs P Mack |
| ½-½ | 18 | 1972 | Norwich Junior | C01 French, Exchange |
| 6. P Mack vs H Wirthensohn |
| 0-1 | 95 | 1972 | Norwich Junior | A07 King's Indian Attack |
| 7. S Ivarsson vs P Mack |
| ½-½ | 29 | 1972 | Norwich Junior | A00 Uncommon Opening |
| 8. P Mack vs T Rosenlund |
| ½-½ | 12 | 1972 | Norwich Junior | A37 English, Symmetrical |
| 9. B De Jonghe vs P Mack |
| ½-½ | 20 | 1972 | Norwich Junior | C01 French, Exchange |
| 10. P Mack vs Nunn |
| 0-1 | 46 | 1972 | Norwich Junior | A28 English |
| 11. R M McKay vs P Mack |
| ½-½ | 16 | 1972 | Norwich Junior | B13 Caro-Kann, Exchange |
| 12. Sax vs P Mack |
| 1-0 | 31 | 1972 | Norwich Junior | C05 French, Tarrasch |
| 13. P Mack vs D Cox |
| ½-½ | 12 | 1972 | Norwich Junior | A28 English |
| 14. S Bailloux vs P Mack |
| ½-½ | 35 | 1972 | Norwich Junior | C95 Ruy Lopez, Closed, Breyer |
| 15. P Mack vs R Bellin |
| ½-½ | 21 | 1972 | Norwich Junior | A28 English |
| 16. T Wedberg vs P Mack |
| ½-½ | 58 | 1973 | European Junior Championship Preliminary | A07 King's Indian Attack |
| 17. P Mack vs J Salonen |
| 1-0 | 44 | 1973 | European Junior Championship Preliminary | E62 King's Indian, Fianchetto |
| 18. V Inkiov vs P Mack |
| 0-1 | 42 | 1973 | European Junior Championship Preliminary | C02 French, Advance |
| 19. P Mack vs H Koopman |
| ½-½ | 20 | 1973 | European Junior Championship Preliminary | A00 Uncommon Opening |
| 20. P Mack vs S Bjarnason |
| ½-½ | 75 | 1973 | European Junior Championship Preliminary | E62 King's Indian, Fianchetto |
| 21. J Goormachtigh vs P Mack |
| ½-½ | 5 | 1973 | European Junior Championship Preliminary | D35 Queen's Gambit Declined |
| 22. P Mack vs S Makarichev |
| ½-½ | 14 | 1973 | European Junior Championship Preliminary | A47 Queen's Indian |
| 23. P Mack vs A Urzica |
| ½-½ | 21 | 1973 | European Junior Championship 1973/74 | D78 Neo-Grunfeld, 6.O-O c6 |
| 24. J Goormachtigh vs P Mack |
| ½-½ | 25 | 1973 | European Junior Championship 1973/74 | D87 Grunfeld, Exchange |
| 25. P Mack vs A Kuligowski |
| ½-½ | 43 | 1973 | European Junior Championship 1973/74 | A43 Old Benoni |
Kibitzing
