| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Z Kovacs vs G Noradounghian |
| ½-½ | 19 |
1954 |
Amsterdam ol (Men) | E26 Nimzo-Indian, Samisch |
| 2. Z Kovacs vs Ugo Cala |
| 1-0 | 25 |
1954 |
Amsterdam ol (Men) | E26 Nimzo-Indian, Samisch |
| 3. Z Kovacs vs J Jerolim |
| 1-0 | 38 |
1954 |
Amsterdam ol (Men) | E80 King's Indian, Samisch Variation |
| 4. Z Kovacs vs T Van Scheltinga |
| ½-½ | 28 |
1954 |
Amsterdam ol (Men) | D31 Queen's Gambit Declined |
| 5. Z Kovacs vs P Papapavlou |
| 1-0 | 37 |
1954 |
Amsterdam ol (Men) | D55 Queen's Gambit Declined |
| 6. I Johannsson vs Z Kovacs |
| 1-0 | 38 |
1954 |
Amsterdam ol (Men) | E69 King's Indian, Fianchetto, Classical Main line |
| 7. Z Kovacs vs M Rantanen |
| 1-0 | 66 |
1954 |
Amsterdam ol (Men) | D51 Queen's Gambit Declined |
| 8. Z Kovacs vs P Papapavlou |
| 1-0 | 71 |
1954 |
Amsterdam ol (Men) | D51 Queen's Gambit Declined |
| 9. Z Kovacs vs W Nash |
| 1-0 | 41 |
1954 |
Amsterdam ol (Men) | D83 Grunfeld, Grunfeld Gambit |
| 10. Dake vs Z Kovacs |
| ½-½ | 43 |
1955 |
US Open | E67 King's Indian, Fianchetto |
| 11. Z Kovacs vs E McCormick |
| 1-0 | 36 |
1955 |
US Open | D25 Queen's Gambit Accepted |
| 12. Z Kovacs vs S Van Gelder |
| 1-0 | 27 |
1955 |
US Open | E80 King's Indian, Samisch Variation |
| 13. R Cross vs Z Kovacs |
| 1-0 | 28 |
1955 |
US Open | B89 Sicilian |
| 14. E Levin vs Z Kovacs |
| 0-1 | 45 |
1955 |
US Open | B56 Sicilian |
| 15. Z Kovacs vs Remlinger |
| 0-1 | 30 |
1955 |
US Open | E26 Nimzo-Indian, Samisch |
| 16. Z Kovacs vs C Pilnick |
| ½-½ | 30 |
1955 |
US Open | D87 Grunfeld, Exchange |
| 17. Z Kovacs vs M Czerniak |
| 1-0 | 50 |
1955 |
Hoogovens | A62 Benoni, Fianchetto Variation |
| 18. A Sandrin vs Z Kovacs |
| 1-0 | 52 |
1955 |
US Open | E70 King's Indian |
| 19. Z Kovacs vs I Rivise |
| ½-½ | 29 |
1961 |
US Open | E51 Nimzo-Indian, 4.e3 |
| 20. W Cunningham vs Z Kovacs |
| 0-1 | 44 |
1961 |
US Open | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 21. E McCormick vs Z Kovacs |
| 0-1 | 55 |
1961 |
US Open | B88 Sicilian, Fischer-Sozin Attack |
| 22. J G Sullivan vs Z Kovacs |
| 0-1 | 31 |
1961 |
US Open | E85 King's Indian, Samisch, Orthodox Variation |
| 23. Z Kovacs vs N Falconer |
| 1-0 | 29 |
1961 |
US Open | E43 Nimzo-Indian, Fischer Variation |
| 24. Z Kovacs vs J E Barry |
| 1-0 | 26 |
1961 |
US Open | D43 Queen's Gambit Declined Semi-Slav |
| 25. P Lapiken vs Z Kovacs |
| 0-1 | 14 |
1961 |
US Open | B85 Sicilian, Scheveningen, Classical |