| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. S Kosanski vs D Marovic |
| 1-0 | 38 | 1978 | Osijek | C02 French, Advance |
| 52. B Kurajica vs S Kosanski |
| 1-0 | 35 | 1978 | Osijek | B06 Robatsch |
| 53. S Kosanski vs Gligoric |
| 0-1 | 27 | 1978 | Osijek | B83 Sicilian |
| 54. K Hulak vs S Kosanski |
| ½-½ | 14 | 1978 | Osijek | A07 King's Indian Attack |
| 55. S Kosanski vs Velimirovic |
| ½-½ | 61 | 1978 | Osijek | B21 Sicilian, 2.f4 and 2.d4 |
| 56. S Kosanski vs R Calvo Minguez |
| ½-½ | 8 | 1978 | Osijek | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 57. Adorjan vs S Kosanski |
| 1-0 | 67 | 1978 | Osijek | B06 Robatsch |
| 58. S Kosanski vs S Velickovic |
| 0-1 | 36 | 1978 | Yugoslav First League | A00 Uncommon Opening |
| 59. B Vujacic vs S Kosanski |
| 1-0 | 42 | 1978 | Yugoslav First League | B08 Pirc, Classical |
| 60. L Crepinsek vs S Kosanski |
| 1-0 | 65 | 1978 | Yugoslav First League | A29 English, Four Knights, Kingside Fianchetto |
| 61. S Kosanski vs Z Ljubisavljevic |
| 0-1 | 55 | 1978 | Yugoslav First League | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 62. T Rakic vs S Kosanski |
| ½-½ | 16 | 1978 | Yugoslav First League | A40 Queen's Pawn Game |
| 63. S Kosanski vs E Sindik |
| ½-½ | 14 | 1978 | Yugoslav First League | B84 Sicilian, Scheveningen |
| 64. S Kosanski vs R Cukic |
| ½-½ | 34 | 1978 | Yugoslav First League | B83 Sicilian |
| 65. S Kosanski vs M Jovicic |
| 0-1 | 50 | 1978 | Yugoslav First League | B70 Sicilian, Dragon Variation |
| 66. R Calvo Minguez vs S Kosanski |
| 1-0 | 38 | 1979 | Zagreb | A40 Queen's Pawn Game |
| 67. S Kosanski vs J Rukavina |
| 0-1 | 39 | 1979 | Zagreb | B09 Pirc, Austrian Attack |
| 68. O Rodriguez Vargas vs S Kosanski |
| 1-0 | 64 | 1979 | Zagreb | A04 Reti Opening |
| 69. S Kosanski vs V Kovacevic |
| 0-1 | 39 | 1979 | Zagreb | C64 Ruy Lopez, Classical |
| 70. M Cebalo vs S Kosanski |
| ½-½ | 42 | 1979 | Zagreb | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 71. S Kosanski vs G Antunac |
| 1-0 | 41 | 1979 | Zagreb | B05 Alekhine's Defense, Modern |
| 72. V Ciocaltea vs S Kosanski |
| ½-½ | 16 | 1979 | Zagreb | B15 Caro-Kann |
| 73. S Kosanski vs M Mrdja |
| ½-½ | 41 | 1979 | Zagreb | B23 Sicilian, Closed |
| 74. V Bukal Sr vs S Kosanski |
| ½-½ | 14 | 1979 | Zagreb | A37 English, Symmetrical |
| 75. S Kosanski vs B Vujakovic |
| ½-½ | 15 | 1979 | Zagreb | B25 Sicilian, Closed |
Kibitzing
