| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. F A Martinez Buitrago vs T Siaperas |
| 0-1 | 41 | 1968 | Lugano Olympiad Final-C | B45 Sicilian, Taimanov |
| 27. T Siaperas vs N Caro |
| 1-0 | 34 | 1968 | Lugano Olympiad Final-C | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 28. T Siaperas vs A Flatow |
| ½-½ | 51 | 1968 | Lugano Olympiad Final-C | B02 Alekhine's Defense |
| 29. A Zwaig vs T Siaperas |
| 1-0 | 51 | 1968 | Lugano Olympiad Final-C | A25 English |
| 30. T Siaperas vs B P Reilly |
| 1-0 | 27 | 1968 | Lugano Olympiad Final-C | B18 Caro-Kann, Classical |
| 31. H Sardinha vs T Siaperas |
| ½-½ | 16 | 1968 | Lugano Olympiad Final-C | D79 Neo-Grunfeld, 6.O-O, Main line |
| 32. T Siaperas vs A Heyns |
| 1-0 | 28 | 1968 | Lugano Olympiad Final-C | C05 French, Tarrasch |
| 33. M Damjanovic vs T Siaperas |
| 0-1 | 28 | 1968 | Athens | B83 Sicilian |
| 34. T Siaperas vs Bobotsov |
| 0-1 | 62 | 1968 | Athens | B25 Sicilian, Closed |
| 35. Pachman vs T Siaperas |
 | ½-½ | 47 | 1968 | Athens Acropolis Int | D46 Queen's Gambit Declined Semi-Slav |
| 36. Z Grdinic vs T Siaperas |
| ½-½ | 18 | 1969 | Zagreb | D50 Queen's Gambit Declined |
| 37. V Kovacevic vs T Siaperas |
| 0-1 | 41 | 1969 | Zagreb | A26 English |
| 38. T Siaperas vs L Barczay |
| ½-½ | 55 | 1969 | Zagreb | B23 Sicilian, Closed |
| 39. M Damjanovic vs T Siaperas |
| 1-0 | 40 | 1969 | Zagreb | B45 Sicilian, Taimanov |
| 40. T Siaperas vs M Cebalo |
| 1-0 | 41 | 1969 | Zagreb | B25 Sicilian, Closed |
| 41. D Minic vs T Siaperas |
| ½-½ | 44 | 1969 | Zagreb | B45 Sicilian, Taimanov |
| 42. T Siaperas vs M Bertok |
| ½-½ | 19 | 1969 | Zagreb | B23 Sicilian, Closed |
| 43. Lombardy vs T Siaperas |
| ½-½ | 40 | 1969 | Zagreb | D50 Queen's Gambit Declined |
| 44. T Siaperas vs B Kurajica |
| ½-½ | 17 | 1969 | Zagreb | A07 King's Indian Attack |
| 45. S Marangunic vs T Siaperas |
| ½-½ | 14 | 1969 | Zagreb | A26 English |
| 46. T Siaperas vs A Saidy |
| 1-0 | 27 | 1969 | Zagreb | B02 Alekhine's Defense |
| 47. S Zinser vs T Siaperas |
| ½-½ | 34 | 1969 | Zagreb | A25 English |
| 48. T Siaperas vs M Czerniak |
| 1-0 | 40 | 1969 | Zagreb | B02 Alekhine's Defense |
| 49. M Udovcic vs T Siaperas |
| ½-½ | 59 | 1969 | Zagreb | A30 English, Symmetrical |
| 50. T Siaperas vs Hort |
| ½-½ | 12 | 1969 | Zagreb | B13 Caro-Kann, Exchange |
Kibitzing
