| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. C Zuidema vs M Bonne |
 | ½-½ | 48 |
1962 |
Zurich | C17 French, Winawer, Advance |
| 2. C Zuidema vs M Janata |
| ½-½ | 45 |
1964 |
Zurich - jungmeister | B18 Caro-Kann, Classical |
| 3. Parma vs C Zuidema |
| ½-½ | 24 |
1964 |
Beverwijk I | C64 Ruy Lopez, Classical |
| 4. H Pfleger vs C Zuidema |
| ½-½ | 34 |
1964 |
Zurich - jungmeister | E15 Queen's Indian |
| 5. T Van Scheltinga vs C Zuidema |
| ½-½ | 34 |
1964 |
Beverwijk I | E09 Catalan, Closed |
| 6. C Zuidema vs Matulovic |
| ½-½ | 31 |
1964 |
Belgrade | B19 Caro-Kann, Classical |
| 7. H Holaszek vs C Zuidema |
| ½-½ | 24 |
1964 |
Zurich - jungmeister | C56 Two Knights |
| 8. C Zuidema vs K Darga |
| ½-½ | 29 |
1964 |
Hoogovens | B06 Robatsch |
| 9. C Zuidema vs C B Van den Berg |
| ½-½ | 95 |
1964 |
Hoogovens | B82 Sicilian, Scheveningen |
| 10. C Zuidema vs M Bobotsov |
| ½-½ | 42 |
1964 |
Tel Aviv ol (Men) fin-A | B27 Sicilian |
| 11. C Zuidema vs M Bobotsov |
| ½-½ | 44 |
1964 |
Hoogovens | B93 Sicilian, Najdorf, 6.f4 |
| 12. C Zuidema vs Matulovic |
| ½-½ | 38 |
1965 |
EU-chT (Men) | B48 Sicilian, Taimanov Variation |
| 13. Filip vs C Zuidema |
| ½-½ | 34 |
1965 |
IBM | D55 Queen's Gambit Declined |
| 14. Smyslov vs C Zuidema |
| ½-½ | 28 |
1965 |
Hamburg | A05 Reti Opening |
| 15. C Zuidema vs P N Lee |
| ½-½ | 29 |
1966 |
Orebro Stud olm fA | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. F Kuijpers vs C Zuidema |
 | ½-½ | 43 |
1966 |
IBM | C98 Ruy Lopez, Closed, Chigorin |
| 17. H Westerinen vs C Zuidema |
| ½-½ | 66 |
1966 |
Orebro Stud olm fA | C97 Ruy Lopez, Closed, Chigorin |
| 18. C Zuidema vs A Hennings |
| ½-½ | 19 |
1966 |
Orebro Stud olm fA | B83 Sicilian |
| 19. I Polgar vs C Zuidema |
| ½-½ | 30 |
1966 |
Orebro Stud olm fA | C90 Ruy Lopez, Closed |
| 20. K Darga vs C Zuidema |
| ½-½ | 25 |
1967 |
FRG-NED | E25 Nimzo-Indian, Samisch |
| 21. M Bobotsov vs C Zuidema |
| ½-½ | 41 |
1967 |
Vrnjacka Banja zt | A22 English |
| 22. C Zuidema vs Jansa |
| ½-½ | 67 |
1967 |
Vrnjacka Banja | B04 Alekhine's Defense, Modern |
| 23. C Zuidema vs J H Donner |
| ½-½ | 56 |
1967 |
Zierikzee | B93 Sicilian, Najdorf, 6.f4 |
| 24. C Zuidema vs Bronstein |
| ½-½ | 23 |
1968 |
Amsterdam IBM | C07 French, Tarrasch |
| 25. F Kuijpers vs C Zuidema |
| ½-½ | 58 |
1968 |
IBM | C81 Ruy Lopez, Open, Howell Attack |