| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. D Horseman vs J S Purdy |
 | 1-0 | 25 | 1955 | Training Tournament | C29 Vienna Gambit |
| 2. J S Purdy vs Spassky |
| 0-1 | 21 | 1955 | World Junior Championship qual-1 | A03 Bird's Opening |
| 3. K W Lloyd vs J S Purdy |
| 1-0 | 41 | 1955 | Wch U20 final-B | D22 Queen's Gambit Accepted |
| 4. J S Purdy vs J M Aitken |
| 0-1 | 60 | 1955 | British Championship | A46 Queen's Pawn Game |
| 5. J S Purdy vs P B Cook |
| 1-0 | 46 | 1955 | British Championship | A47 Queen's Indian |
| 6. M J Haygarth vs J S Purdy |
| 0-1 | 51 | 1955 | British Championship | C64 Ruy Lopez, Classical |
| 7. J S Purdy vs T J Beach |
| ½-½ | 24 | 1955 | British Championship | E67 King's Indian, Fianchetto |
| 8. J Penrose vs J S Purdy |
| 1-0 | 28 | 1955 | British Championship | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 9. J S Purdy vs G Abrahams |
| 0-1 | 39 | 1955 | British Championship | D31 Queen's Gambit Declined |
| 10. H Israel vs J S Purdy |
| ½-½ | 41 | 1955 | British Championship | A06 Reti Opening |
| 11. J S Purdy vs K W Lloyd |
| ½-½ | 36 | 1955 | British Championship | D05 Queen's Pawn Game |
| 12. O Weber vs J S Purdy |
| ½-½ | 26 | 1956 | Australian Championship 1956/57 | A45 Queen's Pawn Game |
| 13. L Endzelins vs J S Purdy |
| 1-0 | 32 | 1956 | Australian Championship 1956/57 | C64 Ruy Lopez, Classical |
| 14. J S Purdy vs R Pikler |
| 0-1 | 34 | 1957 | Ukrainian Invitational | A52 Budapest Gambit |
| 15. J S Purdy vs O Sarapu |
| 0-1 | 36 | 1957 | Australian Championship 1956/57 | A49 King's Indian, Fianchetto without c4 |
| 16. C Purdy vs J S Purdy |
| 0-1 | 31 | 1957 | Australian Championship 1956/57 | C64 Ruy Lopez, Classical |
| 17. K Ozols vs J S Purdy |
| 1-0 | 47 | 1957 | Australian Championship 1956/57 | A05 Reti Opening |
| 18. J S Purdy vs J Hanks |
| 1-0 | 62 | 1957 | Australian Championship 1956/57 | A46 Queen's Pawn Game |
| 19. W Bleicher vs J S Purdy |
| 1-0 | 33 | 1958 | Australian Championship 1958/59 | A40 Queen's Pawn Game |
| 20. J S Purdy vs P Foster |
| 1-0 | 25 | 1958 | Australian Championship 1958/59 | B73 Sicilian, Dragon, Classical |
| 21. D Pike vs J S Purdy |
| 0-1 | 27 | 1958 | Australian Championship 1958/59 | A40 Queen's Pawn Game |
| 22. J S Purdy vs P Viner |
| ½-½ | 36 | 1959 | Australian Championship 1958/59 | C28 Vienna Game |
| 23. J Hanks vs J S Purdy |
| 1-0 | 47 | 1959 | Australian Championship 1958/59 | B06 Robatsch |
| 24. J S Purdy vs K Ozols |
| 0-1 | 33 | 1959 | Australian Championship 1958/59 | C18 French, Winawer |
| 25. J S Purdy vs J R Phillips |
| ½-½ | 66 | 1959 | Australian Championship 1958/59 | B63 Sicilian, Richter-Rauzer Attack |
Kibitzing
