| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. F Prochownik vs A Filipowicz |
| 0-1 | 28 | 1970 | Polish Championship | A07 King's Indian Attack |
| 27. F Prochownik vs R Grabczewski |
| 1-0 | 27 | 1970 | Polish Championship | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 28. F Prochownik vs J Gromek |
| 1-0 | 41 | 1970 | Polish Championship | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 29. K Pytel vs F Prochownik |
| ½-½ | 41 | 1970 | Polish Championship | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 30. F Prochownik vs S Witkowski |
| ½-½ | 16 | 1970 | Polish Championship | B23 Sicilian, Closed |
| 31. F Prochownik vs A Sznapik |
| 0-1 | 37 | 1970 | Polish Championship | A45 Queen's Pawn Game |
| 32. W Schmidt vs F Prochownik |
| ½-½ | 13 | 1970 | Polish Championship | A41 Queen's Pawn Game (with ...d6) |
| 33. F Prochownik vs J Adamski |
| ½-½ | 16 | 1970 | Polish Championship | B06 Robatsch |
| 34. W Schmidt vs F Prochownik |
| 1-0 | 26 | 1974 | Polish Championship | A06 Reti Opening |
| 35. J Adamski vs F Prochownik |
| 1-0 | 43 | 1974 | Polish Championship | A15 English |
| 36. F Prochownik vs W Kruszynski |
| ½-½ | 58 | 1974 | Polish Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 37. R Drozd vs F Prochownik |
| 0-1 | 46 | 1974 | Polish Championship | A56 Benoni Defense |
| 38. F Prochownik vs Z Doda |
| ½-½ | 30 | 1974 | Polish Championship | B22 Sicilian, Alapin |
| 39. W Schinzel vs F Prochownik |
| ½-½ | 18 | 1974 | Polish Championship | D02 Queen's Pawn Game |
| 40. F Prochownik vs A Filipowicz |
| ½-½ | 13 | 1974 | Polish Championship | B23 Sicilian, Closed |
| 41. T Zoltek vs F Prochownik |
| 1-0 | 75 | 1974 | Polish Championship | A88 Dutch, Leningrad, Main Variation with c6 |
| 42. F Prochownik vs Z Pioch |
| 1-0 | 72 | 1974 | Polish Championship | A05 Reti Opening |
| 43. Z Szymczak vs F Prochownik |
| 1-0 | 40 | 1974 | Polish Championship | B17 Caro-Kann, Steinitz Variation |
| 44. F Prochownik vs K Pytel |
| ½-½ | 19 | 1974 | Polish Championship | C02 French, Advance |
| 45. F Prochownik vs J Pokojowczyk |
| ½-½ | 61 | 1974 | Polish Championship | B06 Robatsch |
| 46. B Pietrusiak vs F Prochownik |
| 1-0 | 42 | 1974 | Polish Championship | B10 Caro-Kann |
| 47. F Prochownik vs A Maciejewski |
| ½-½ | 42 | 1974 | Polish Championship | B05 Alekhine's Defense, Modern |
| 48. T Lubienski vs F Prochownik |
| ½-½ | 47 | 1974 | Polish Championship | A31 English, Symmetrical, Benoni Formation |
| 49. A Sznapik vs F Prochownik |
| 1-0 | 46 | 1974 | Polish Championship | B13 Caro-Kann, Exchange |
| 50. F Prochownik vs J Kostro |
| 0-1 | 34 | 1974 | Polish Championship | B44 Sicilian |
Kibitzing
