| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. O Kozlov vs V Priehoda |
| 1-0 | 43 | 1990 | Katowice Open | A46 Queen's Pawn Game |
| 2. Y Zilberman vs O Kozlov |
| 1-0 | 51 | 1990 | Katowice Open | D35 Queen's Gambit Declined |
| 3. Z Horvath vs O Kozlov |
| ½-½ | 43 | 1990 | Hungarian Open | B42 Sicilian, Kan |
| 4. Thomas Oberngruber vs O Kozlov |
| ½-½ | 36 | 1990 | Hungarian Open | B43 Sicilian, Kan, 5.Nc3 |
| 5. O Kozlov vs J van Mil |
| 0-1 | 31 | 1990 | Hungarian Open | D78 Neo-Grunfeld, 6.O-O c6 |
| 6. O Kozlov vs L Abel |
| 1-0 | 28 | 1991 | Kecskemet4 | A31 English, Symmetrical, Benoni Formation |
| 7. O Kozlov vs G Kallai |
| 0-1 | 25 | 1992 | Donau Cup op | D02 Queen's Pawn Game |
| 8. S Kustar vs O Kozlov |
| 0-1 | 32 | 1993 | Tenkes Cup Open | E09 Catalan, Closed |
| 9. O Kozlov vs A Sakadin |
| 0-1 | 41 | 1993 | Tenkes Cup Open | A34 English, Symmetrical |
| 10. S Robovic vs O Kozlov |
| 1-0 | 71 | 1993 | Tenkes Cup Open | B40 Sicilian |
| 11. O Kozlov vs A Ivan |
| 0-1 | 61 | 1993 | Tenkes Cup Open | E65 King's Indian, Fianchetto, Yugoslav, 7.O-O |
| 12. S Tatar Kis vs O Kozlov |
| 0-1 | 36 | 1993 | Tenkes Cup Open | B43 Sicilian, Kan, 5.Nc3 |
| 13. O Kozlov vs M Grabics |
| 0-1 | 42 | 1993 | Tenkes Cup Open | A48 King's Indian |
| 14. O Kozlov vs S Biro |
| 1-0 | 41 | 1994 | Tenkes Cup Open | A22 English |
| 15. O Kozlov vs A Hirsch |
| ½-½ | 44 | 1994 | Tenkes Cup Open | A48 King's Indian |
| 16. S Galeev vs O Kozlov |
| ½-½ | 74 | 1994 | Tenkes Cup Open | D51 Queen's Gambit Declined |
| 17. O Kozlov vs O Kozlova |
| 0-1 | 31 | 1994 | Tenkes Cup Open | A23 English, Bremen System, Keres Variation |
| 18. A Szieberth vs O Kozlov |
| 1-0 | 20 | 1994 | Tenkes Cup Open | B43 Sicilian, Kan, 5.Nc3 |
| 19. G Bajusz vs O Kozlov |
| 0-1 | 40 | 1994 | Tenkes Cup Open | D02 Queen's Pawn Game |
| 20. E Kahn vs O Kozlov |
| ½-½ | 54 | 1994 | Tenkes Cup Open | E33 Nimzo-Indian, Classical |
| 21. O Kozlov vs P Restas |
| 1-0 | 31 | 1994 | Tenkes Cup Open | A46 Queen's Pawn Game |
| 22. O Kozlov vs G Vescovi |
| 0-1 | 25 | 1995 | Zlin op | A25 English |
| 23. O Lysova vs O Kozlov |
| 0-1 | 36 | 1995 | Chigorin Memorial | B41 Sicilian, Kan |
| 24. O Kozlov vs V Burmakin |
| ½-½ | 37 | 1995 | Chigorin Memorial | D31 Queen's Gambit Declined |
| 25. V Popov vs O Kozlov |
| 1-0 | 57 | 1995 | Chigorin Memorial | D30 Queen's Gambit Declined |
Kibitzing
