| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. B Serwinski vs J Kostro |
| 1-0 | 46 | 1969 | Polish Championship | B44 Sicilian |
| 27. J Adamski vs B Serwinski |
| 1-0 | 57 | 1969 | Polish Championship | A10 English |
| 28. B Serwinski vs W Schmidt |
| 0-1 | 32 | 1969 | Polish Championship | B44 Sicilian |
| 29. C Jedrzejek vs B Serwinski |
| 1-0 | 39 | 1969 | Polish Championship | A25 English |
| 30. W Dobrzynski vs B Serwinski |
| 0-1 | 41 | 1969 | Polish Championship | A88 Dutch, Leningrad, Main Variation with c6 |
| 31. B Serwinski vs W Balcerowski |
| ½-½ | 59 | 1972 | Polish Championship | B09 Pirc, Austrian Attack |
| 32. A Sydor vs B Serwinski |
| ½-½ | 30 | 1972 | Polish Championship | A02 Bird's Opening |
| 33. B Serwinski vs W Dobrzynski |
| ½-½ | 33 | 1972 | Polish Championship | B06 Robatsch |
| 34. R Grabczewski vs B Serwinski |
| 0-1 | 39 | 1972 | Polish Championship | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 35. B Serwinski vs J Kostro |
| ½-½ | 45 | 1972 | Polish Championship | B10 Caro-Kann |
| 36. R Gasiorowski vs B Serwinski |
| 1-0 | 28 | 1972 | Polish Championship | A70 Benoni, Classical with 7.Nf3 |
| 37. B Serwinski vs Z Doda |
| 0-1 | 34 | 1972 | Polish Championship | B44 Sicilian |
| 38. W Schmidt vs B Serwinski |
| 1-0 | 40 | 1972 | Polish Championship | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 39. J Bednarski vs B Serwinski |
| 0-1 | 51 | 1972 | Polish Championship | B09 Pirc, Austrian Attack |
| 40. B Serwinski vs I Nowak |
| ½-½ | 71 | 1972 | Polish Championship | B89 Sicilian |
| 41. B Serwinski vs Sliwa |
| 0-1 | 25 | 1972 | Polish Championship | C11 French |
| 42. A Filipowicz vs B Serwinski |
| 1-0 | 38 | 1972 | Polish Championship | B93 Sicilian, Najdorf, 6.f4 |
| 43. A Sznapik vs B Serwinski |
| 1-0 | 42 | 1972 | Polish Championship | B23 Sicilian, Closed |
| 44. B Serwinski vs B Pietrusiak |
| 1-0 | 110 | 1972 | Polish Championship | B56 Sicilian |
| 45. B Serwinski vs J Adamski |
| ½-½ | 44 | 1972 | Polish Championship | B88 Sicilian, Fischer-Sozin Attack |
| 46. R Marszalek vs B Serwinski |
| 1-0 | 43 | 1972 | Polish Championship | A09 Reti Opening |
| 47. B Serwinski vs K Pytel |
| ½-½ | 14 | 1972 | Polish Championship | A07 King's Indian Attack |
| 48. Z Raginia vs B Serwinski |
| 0-1 | 36 | 1977 | Polish Championship | D60 Queen's Gambit Declined, Orthodox Defense |
| 49. B Serwinski vs W Schinzel |
| 1-0 | 41 | 1977 | Polish Championship | A04 Reti Opening |
| 50. J Adamski vs B Serwinski |
| 1-0 | 33 | 1977 | Polish Championship | A14 English |
Kibitzing
