| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Szabo vs S Kosanski |
 | 1-0 | 41 |
1972 |
Sarajevo | A04 Reti Opening |
| 2. R Bogdanovic vs S Kosanski |
| ½-½ | 25 |
1972 |
Sarajevo | B06 Robatsch |
| 3. S Kosanski vs Hort |
| 0-1 | 42 |
1972 |
Sarajevo | B57 Sicilian |
| 4. B Gasic vs S Kosanski |
| ½-½ | 16 |
1972 |
Sarajevo | C64 Ruy Lopez, Classical |
| 5. V Bukal Sr vs S Kosanski |
| ½-½ | 15 |
1972 |
Sarajevo | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 6. S Kosanski vs Minic |
| 1-0 | 43 |
1972 |
Sarajevo | B56 Sicilian |
| 7. S Kosanski vs Petrosian |
| ½-½ | 71 |
1972 |
Sarajevo | B40 Sicilian |
| 8. Keres vs S Kosanski |
| ½-½ | 20 |
1972 |
Sarajevo | B08 Pirc, Classical |
| 9. S Kosanski vs M Vukic |
| 0-1 | 28 |
1972 |
Sarajevo | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 10. S Kosanski vs Matulovic |
| ½-½ | 55 |
1972 |
Sarajevo | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 11. S Kosanski vs Jansa |
| 0-1 | 39 |
1972 |
Sarajevo | B48 Sicilian, Taimanov Variation |
| 12. S Kosanski vs S Tatai |
| 1-0 | 35 |
1972 |
Sarajevo | B93 Sicilian, Najdorf, 6.f4 |
| 13. S Kosanski vs Velimirovic |
| ½-½ | 61 |
1978 |
Osijek | B21 Sicilian, 2.f4 and 2.d4 |
| 14. S Kosanski vs Gligoric |
| 0-1 | 27 |
1978 |
Osijek | B83 Sicilian |
| 15. S Kosanski vs Tringov |
| ½-½ | 57 |
1978 |
Osijek | B23 Sicilian, Closed |
| 16. S Kosanski vs L Santolini |
 | 0-1 | 22 |
1981 |
Venice | B93 Sicilian, Najdorf, 6.f4 |
| 17. S Kosanski vs L Gostisa |
| ½-½ | 43 |
1981 |
Caorle | B93 Sicilian, Najdorf, 6.f4 |
| 18. S Kosanski vs K Mokry |
| ½-½ | 41 |
1982 |
Bohemians | B93 Sicilian, Najdorf, 6.f4 |
| 19. S Kosanski vs B Ivanovic |
| 0-1 | 47 |
1991 |
YUG-ch | B56 Sicilian |
| 20. S Kosanski vs D Sermek |
| 1-0 | 43 |
1993 |
Velden op | B23 Sicilian, Closed |
| 21. S Kosanski vs V Kovacevic |
| 0-1 | 49 |
1994 |
Makarska tt-CRO | C14 French, Classical |
| 22. S Kosanski vs Leventic |
| ½-½ | 43 |
1994 |
Tournament (team) | C55 Two Knights Defense |
| 23. S Kosanski vs I Zaja |
| 0-1 | 32 |
1996 |
CRO Team Ch | C02 French, Advance |
| 24. Movsesian vs S Kosanski |
| 1-0 | 36 |
1997 |
Pula op 11th | B06 Robatsch |
| 25. S Basrak vs S Kosanski |
| 1-0 | 34 |
1997 |
It open | C30 King's Gambit Declined |