| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H Sliwinski vs J Adamski |
| ½-½ | 40 | 1968 | Polish Championship | B07 Pirc |
| 27. H Sliwinski vs W Schmidt |
 | 0-1 | 87 | 1968 | Polish Championship | A48 King's Indian |
| 28. K Pytel vs H Sliwinski |
| ½-½ | 11 | 1968 | Polish Championship | A07 King's Indian Attack |
| 29. S Witkowski vs H Sliwinski |
| 0-1 | 30 | 1968 | Polish Championship | B10 Caro-Kann |
| 30. H Sliwinski vs J Lewi |
| ½-½ | 23 | 1968 | Polish Championship | C68 Ruy Lopez, Exchange |
| 31. A Sydor vs H Sliwinski |
| 1-0 | 30 | 1968 | Polish Championship | B18 Caro-Kann, Classical |
| 32. H Sliwinski vs Z Jamroz |
| ½-½ | 19 | 1968 | Polish Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 33. H Sliwinski vs F Blatny |
| ½-½ | 13 | 1968 | Havirov | A46 Queen's Pawn Game |
| 34. S Kornasiewicz vs H Sliwinski |
| ½-½ | 21 | 1968 | Havirov | D10 Queen's Gambit Declined Slav |
| 35. H Sliwinski vs K Kupidlovsky |
| 1-0 | 45 | 1968 | Havirov | A48 King's Indian |
| 36. E Nowak vs H Sliwinski |
| 1-0 | 32 | 1968 | Havirov | B18 Caro-Kann, Classical |
| 37. H Sliwinski vs I Jankovec |
| 0-1 | 38 | 1968 | Havirov | A48 King's Indian |
| 38. H Baumgartner vs H Sliwinski |
| 1-0 | 66 | 1968 | Havirov | A04 Reti Opening |
| 39. H Sliwinski vs L Lapis |
| ½-½ | 37 | 1968 | Havirov | B15 Caro-Kann |
| 40. C Radovici vs H Sliwinski |
| 1-0 | 32 | 1968 | Havirov | C73 Ruy Lopez, Modern Steinitz Defense |
| 41. H Sliwinski vs J Sikora-Lerch |
| 0-1 | 40 | 1968 | Havirov | C68 Ruy Lopez, Exchange |
| 42. V Sviridov vs H Sliwinski |
| ½-½ | 20 | 1968 | Havirov | A00 Uncommon Opening |
| 43. H Sliwinski vs T Georgadze |
| ½-½ | 13 | 1968 | Havirov | D27 Queen's Gambit Accepted, Classical |
| 44. J Smetana vs H Sliwinski |
| 0-1 | 40 | 1968 | Havirov | B17 Caro-Kann, Steinitz Variation |
| 45. D Pantaleev vs H Sliwinski |
| ½-½ | 15 | 1968 | Havirov | D37 Queen's Gambit Declined |
| 46. H Sliwinski vs Gulko |
| ½-½ | 12 | 1968 | Havirov | A48 King's Indian |
Kibitzing
