| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. S Cronick vs I Jones |
| 0-1 | 70 |
1970 |
WLS-ch | C28 Vienna Game |
| 2. M F Littleton vs I Jones |
| ½-½ | 17 |
1972 |
Skopje ol (Men) final-C | E73 King's Indian |
| 3. A J Whiteley vs I Jones |
| 1-0 | 39 |
1974 |
Nice ol (Men) fin-A | E63 King's Indian, Fianchetto, Panno Variation |
| 4. I Jones vs Portisch |
| ½-½ | 58 |
1974 |
Nice olm | A04 Reti Opening |
| 5. I Jones vs J Dueball |
 | 0-1 | 29 |
1974 |
Nice | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 6. A Planinc vs I Jones |
| 1-0 | 38 |
1974 |
Nice ol (Men) fin-A | C42 Petrov Defense |
| 7. I Jones vs Sosonko |
| 0-1 | 35 |
1974 |
Nice olm | A08 King's Indian Attack |
| 8. G Bordonada vs I Jones |
 | 1-0 | 29 |
1978 |
Buenos Aires ol | C29 Vienna Gambit |
| 9. I Jones vs P Cunningham |
| ½-½ | 38 |
1981 |
WLS-ch | A15 English |
| 10. I Jones vs G Botterill |
| 0-1 | 79 |
1981 |
WLS-ch | A19 English, Mikenas-Carls, Sicilian Variation |
| 11. J Cooper vs I Jones |
| 1-0 | 35 |
1981 |
WLS-ch | A53 Old Indian |
| 12. A H Williams vs I Jones |
| 1-0 | 43 |
1981 |
WLS-ch | A53 Old Indian |
| 13. D Johnston vs I Jones |
| 0-1 | 40 |
1981 |
WLS-ch | A00 Uncommon Opening |
| 14. I Jones vs S C James |
| 1-0 | 23 |
1981 |
WLS-ch | A41 Queen's Pawn Game (with ...d6) |
| 15. D Sully vs I Jones |
| ½-½ | 23 |
1981 |
WLS-ch | A07 King's Indian Attack |
| 16. I Jones vs A Rittiphunyawong |
| 1-0 | 40 |
1982 |
Luzern ol (Men) | D57 Queen's Gambit Declined, Lasker Defense |
| 17. F J Sanz Alonso vs I Jones |
| 1-0 | 43 |
1982 |
Marbella (Spain) | C26 Vienna |
| 18. I Jones vs Christiansen |
| 0-1 | 40 |
1984 |
Thessaloniki olm ;BIG | A15 English |
| 19. A Jorge vs I Jones |
| 0-1 | 36 |
1984 |
Olympiad | C30 King's Gambit Declined |
| 20. J Sarfati vs I Jones |
 | 1-0 | 40 |
1988 |
Thessaloniki ol (Men) | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 21. T Wedberg vs I Jones |
| 1-0 | 29 |
1989 |
EU-chT (Men) | C43 Petrov, Modern Attack |
| 22. Lautier vs I Jones |
| 1-0 | 32 |
1989 |
Ch Europe tt | A55 Old Indian, Main line |
| 23. Wojtkiewicz vs I Jones |
| 1-0 | 33 |
1989 |
Ch Europe tt | A55 Old Indian, Main line |
| 24. I Jones vs J M Bellon Lopez |
| 0-1 | 43 |
1989 |
EU-chT (Men) | A36 English |
| 25. I Jones vs F Berend |
| 1-0 | 41 |
1989 |
EU-chT (Men) | A04 Reti Opening |