| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Hartston vs N J Kalton |
| 0-1 | 23 |
1962 |
Correspondence game | C38 King's Gambit Accepted |
| 2. N J Kalton vs Keene |
| 0-1 | 18 |
1963 |
Match game 5, Bromley | B01 Scandinavian |
| 3. N J Kalton vs Keene |
| 0-1 | 28 |
1963 |
6 game match, game 1 | E64 King's Indian, Fianchetto, Yugoslav System |
| 4. N J Kalton vs Keene |
| 0-1 | 28 |
1963 |
Bognor Regis 10 second tourney | B00 Uncommon King's Pawn Opening |
| 5. Keene vs N J Kalton |
 | 0-1 | 37 |
1963 |
Match, Bromley | D30 Queen's Gambit Declined |
| 6. R C Lemon vs N J Kalton |
| 0-1 | 32 |
1964 |
London Junior Championship | B94 Sicilian, Najdorf |
| 7. Keene vs N J Kalton |
| 0-1 | 43 |
1964 |
Training tournament, London | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 8. N J Kalton vs Keene |
 | 0-1 | 22 |
1964 |
London Junior Championship | E94 King's Indian, Orthodox |
| 9. J W Ologhlen vs N J Kalton |
| 0-1 | 24 |
1966 |
Trinity vs. Emmanuel | A97 Dutch, Ilyin-Genevsky |
| 10. A R Bracher vs N J Kalton |
| 0-1 | 31 |
1966 |
Training match | D50 Queen's Gambit Declined |
| 11. D Lees vs N J Kalton |
| 0-1 | 36 |
1967 |
Whitby Open | A97 Dutch, Ilyin-Genevsky |
| 12. P N Kington vs N J Kalton |
| 0-1 | 45 |
1967 |
British Universities Chess Association | A84 Dutch |
| 13. K M Southern vs N J Kalton |
| 0-1 | 24 |
1968 |
Trinity vs. Jesus | B03 Alekhine's Defense |
| 14. R S MacFarland vs N J Kalton |
| 0-1 | 22 |
1970 |
Major Open | C83 Ruy Lopez, Open |
| 15. D Tudhope vs N J Kalton |
| 0-1 | 23 |
1976 |
Club match | A00 Uncommon Opening |