| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. O Zecha vs N Paltrinieri |
| 0-1 | 29 | 2023 | 26th Hoogeveen Open | B06 Robatsch |
| 2. R Labruyere vs O Zecha |
| ½-½ | 61 | 2023 | 26th Hoogeveen Open | C53 Giuoco Piano |
| 3. O Zecha vs S Mueer |
| 0-1 | 55 | 2023 | 26th Hoogeveen Open | E04 Catalan, Open, 5.Nf3 |
| 4. J Boeren vs O Zecha |
| ½-½ | 72 | 2023 | 26th Hoogeveen Open | C67 Ruy Lopez |
| 5. T Kett vs O Zecha |
| 1-0 | 50 | 2023 | 26th Hoogeveen Open | C36 King's Gambit Accepted, Abbazia Defense |
| 6. O Zecha vs J Boersma |
| 1-0 | 56 | 2023 | 26th Hoogeveen Open | B27 Sicilian |
| 7. B Nijdam vs O Zecha |
| ½-½ | 27 | 2023 | 26th Hoogeveen Open | A45 Queen's Pawn Game |
| 8. O Zecha vs R van Helvoort |
| 0-1 | 79 | 2023 | 26th Hoogeveen Open | C02 French, Advance |
| 9. O Zecha vs M Bosboom |
| 0-1 | 41 | 2024 | Hoogeveen Open | B90 Sicilian, Najdorf |
| 10. S Westerlaan vs O Zecha |
| 0-1 | 31 | 2024 | Hoogeveen Open | A15 English |
| 11. O Zecha vs N M Nissinen |
| ½-½ | 38 | 2024 | Hoogeveen Open | E28 Nimzo-Indian, Samisch Variation |
| 12. R Duson vs O Zecha |
| ½-½ | 46 | 2024 | Hoogeveen Open | E46 Nimzo-Indian |
| 13. N Maatman vs O Zecha |
| 1-0 | 80 | 2024 | Hoogeveen Open | A05 Reti Opening |
| 14. O Zecha vs G Kazarjan |
| 1-0 | 41 | 2024 | Hoogeveen Open | B70 Sicilian, Dragon Variation |
| 15. O Zecha vs R Arnold |
| 0-1 | 53 | 2024 | Hoogeveen Open | E00 Queen's Pawn Game |
| 16. M de Jong vs O Zecha |
| 1-0 | 46 | 2024 | Hoogeveen Open | D05 Queen's Pawn Game |
| 17. H Grooten vs O Zecha |
| ½-½ | 114 | 2024 | Hoogeveen Open | D38 Queen's Gambit Declined, Ragozin Variation |
| 18. O Zecha vs L van der Hagen |
| ½-½ | 37 | 2024 | Groningen Open | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 19. M van Foreest vs O Zecha |
| 1-0 | 28 | 2024 | Groningen Open | C53 Giuoco Piano |
| 20. A Bakija vs O Zecha |
| ½-½ | 40 | 2024 | Groningen Open | E03 Catalan, Open |
| 21. O Zecha vs D Sharma |
| ½-½ | 21 | 2024 | Groningen Open | C02 French, Advance |
| 22. H Grooten vs O Zecha |
| 1-0 | 36 | 2024 | Groningen Open | A04 Reti Opening |
| 23. O Zecha vs M Ratsma |
| 1-0 | 34 | 2024 | Groningen Open | C65 Ruy Lopez, Berlin Defense |
| 24. T Mareau vs O Zecha |
| 1-0 | 61 | 2024 | Groningen Open | C24 Bishop's Opening |
| 25. O Zecha vs T Grooten |
| 0-1 | 46 | 2024 | Groningen Open | B81 Sicilian, Scheveningen, Keres Attack |
Kibitzing
