| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Y Kosashvili vs R Storm |
| 1-0 | 26 |
1989 |
Biel MTO op | B01 Scandinavian |
| 2. M Lanzani vs Y Kosashvili |
| ½-½ | 40 |
1989 |
EU-chT (Men) | C55 Two Knights Defense |
| 3. Y Kosashvili vs N Davies |
| 1-0 | 50 |
1989 |
Tel Aviv (Israel) | B06 Robatsch |
| 4. Hur Yasin vs Y Kosashvili |
| 0-1 | 54 |
1989 |
EU-chT (Men) | C77 Ruy Lopez |
| 5. Y Kosashvili vs P Haba |
| 1-0 | 38 |
1989 |
EU-chT (Men) | C80 Ruy Lopez, Open |
| 6. Y Kosashvili vs Van Wely |
| 0-1 | 42 |
1989 |
EU-chJ U20 Arnhem | B83 Sicilian |
| 7. Y Kosashvili vs Taimanov |
| 0-1 | 61 |
1990 |
Tel Aviv | B46 Sicilian, Taimanov Variation |
| 8. Galego vs Y Kosashvili |
| ½-½ | 48 |
1990 |
Tel aviv ol | C25 Vienna |
| 9. J Sorensen vs Y Kosashvili |
| 0-1 | 40 |
1990 |
Ch World (juniors) | C25 Vienna |
| 10. V Beim vs Y Kosashvili |
| ½-½ | 26 |
1990 |
Tel-Aviv BIKURI | E32 Nimzo-Indian, Classical |
| 11. Y Kosashvili vs Psakhis |
| 1-0 | 43 |
1991 |
Tel Aviv | C78 Ruy Lopez |
| 12. Psakhis vs Y Kosashvili |
| 1-0 | 46 |
1991 |
Israel 52/531 | E17 Queen's Indian |
| 13. M D Tseitlin vs Y Kosashvili |
| ½-½ | 16 |
1992 |
It (b) | C25 Vienna |
| 14. Salov vs Y Kosashvili |
| 1-0 | 83 |
1993 |
Barcelona EC | E32 Nimzo-Indian, Classical |
| 15. Smirin vs Y Kosashvili |
| ½-½ | 49 |
1993 |
Haifa | C90 Ruy Lopez, Closed |
| 16. Y Kosashvili vs Sutovsky |
| 1-0 | 45 |
1993 |
Tel Aviv | A48 King's Indian |
| 17. Y Kosashvili vs N Davies |
| 1-0 | 43 |
1994 |
It (cat.11) | C92 Ruy Lopez, Closed |
| 18. Y Kosashvili vs V Beim |
| 1-0 | 50 |
1994 |
Rishon Le Ziyyon | B07 Pirc |
| 19. Y Kosashvili vs Sutovsky |
| ½-½ | 65 |
1994 |
ISR | A48 King's Indian |
| 20. Y Kosashvili vs Psakhis |
| 1-0 | 56 |
1995 |
Haifa | C01 French, Exchange |
| 21. Svidler vs Y Kosashvili |
| 1-0 | 48 |
1995 |
Haifa | C45 Scotch Game |
| 22. Y Kosashvili vs K Mokry |
| ½-½ | 65 |
1995 |
EUCup Gr4 | C91 Ruy Lopez, Closed |
| 23. Smirin vs Y Kosashvili |
| ½-½ | 49 |
1995 |
Haifa | C96 Ruy Lopez, Closed |
| 24. Y Kosashvili vs Pavasovic |
| ½-½ | 39 |
1998 |
Elista ol (Men) | B42 Sicilian, Kan |
| 25. Y Kosashvili vs R Bertholee |
| 1-0 | 26 |
1998 |
NED-chT sf | B50 Sicilian |