| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. K Kopetzky vs P Michel |
| 0-1 | 56 | 1950 | Vienna 1950/51 | C45 Scotch Game |
| 27. K Kopetzky vs Z Kovacs |
| 0-1 | 41 | 1950 | Vienna 1950/51 | B83 Sicilian |
| 28. A Beni vs K Kopetzky |
| 0-1 | 37 | 1950 | Vienna 1950/51 | D07 Queen's Gambit Declined, Chigorin Defense |
| 29. Gruenfeld vs K Kopetzky |
| ½-½ | 24 | 1950 | Vienna 1950/51 | D72 Neo-Grunfeld, 5.cd, Main line |
| 30. K Kopetzky vs B Tot |
| 1-0 | 31 | 1950 | Vienna 1950/51 | B08 Pirc, Classical |
| 31. L Soluch vs K Kopetzky |
| 0-1 | 39 | 1951 | Vienna 1950/51 | A30 English, Symmetrical |
| 32. K Kopetzky vs T van den Tol |
| 0-1 | 29 | 1951 | Vienna 1950/51 | A02 Bird's Opening |
| 33. J Platt vs K Kopetzky |
| 1-0 | 40 | 1951 | Vienna 1950/51 | D15 Queen's Gambit Declined Slav |
| 34. K Kopetzky vs E Paoli |
| ½-½ | 56 | 1951 | Vienna 1950/51 | B90 Sicilian, Najdorf |
| 35. L Rellstab vs K Kopetzky |
| 0-1 | 29 | 1951 | Vienna 1951/52 | B58 Sicilian |
| 36. K Kopetzky vs J Lokvenc |
| 0-1 | 36 | 1951 | Vienna 1951/52 | C71 Ruy Lopez |
| 37. H Keller vs K Kopetzky |
| ½-½ | 62 | 1951 | Vienna 1951/52 | D07 Queen's Gambit Declined, Chigorin Defense |
| 38. K Kopetzky vs A Matanovic |
| ½-½ | 74 | 1951 | Vienna 1951/52 | B08 Pirc, Classical |
| 39. V Castaldi vs K Kopetzky |
| 1-0 | 46 | 1951 | Vienna 1951/52 | B83 Sicilian |
| 40. Pilnik vs K Kopetzky |
| 1-0 | 49 | 1951 | Vienna 1951/52 | B58 Sicilian |
| 41. K Kopetzky vs A Beni |
| 0-1 | 48 | 1952 | Vienna 1951/52 | C14 French, Classical |
| 42. Z Kovacs vs K Kopetzky |
| ½-½ | 49 | 1952 | Vienna 1951/52 | D06 Queen's Gambit Declined |
| 43. K Kopetzky vs B Milic |
| 0-1 | 41 | 1952 | Vienna 1951/52 | B08 Pirc, Classical |
| 44. F Kopp vs K Kopetzky |
| ½-½ | 50 | 1952 | Vienna 1951/52 | E33 Nimzo-Indian, Classical |
| 45. K Kopetzky vs E Canal |
 | 0-1 | 31 | 1952 | Vienna 1951/52 | C64 Ruy Lopez, Classical |
| 46. K Kopetzky vs A Giustolisi |
| 1-0 | 29 | 1952 | Austria - Italy | C84 Ruy Lopez, Closed |
| 47. A Giustolisi vs K Kopetzky |
| 1-0 | 43 | 1952 | Austria - Italy | D02 Queen's Pawn Game |
| 48. B Rabar vs K Kopetzky |
| ½-½ | 41 | 1952 | Vienna 1952/53 | D50 Queen's Gambit Declined |
| 49. K Kopetzky vs J de Souza Mendes |
| 0-1 | 21 | 1952 | Vienna 1952/53 | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 50. A Bisguier vs K Kopetzky |
| 1-0 | 34 | 1952 | Vienna 1952/53 | D37 Queen's Gambit Declined |
Kibitzing
