| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. O Wieczorek vs D Gromczak |
| 1-0 | 62 | 2004 | Wroclaw-ch | B33 Sicilian |
| 27. O Wieczorek vs J Richter |
| 0-1 | 70 | 2004 | Wroclaw-ch | B09 Pirc, Austrian Attack |
| 28. Piotr Pilarski vs O Wieczorek |
| 0-1 | 36 | 2004 | POL-chT2 U18 | B40 Sicilian |
| 29. P Nguyen vs O Wieczorek |
| 1-0 | 37 | 2004 | POL-chT2 U18 | D02 Queen's Pawn Game |
| 30. K Dragun vs O Wieczorek |
| ½-½ | 30 | 2004 | POL-chT2 U18 | B44 Sicilian |
| 31. Leszek Grodziski vs O Wieczorek |
| 0-1 | 34 | 2004 | Wroclaw-ch | C47 Four Knights |
| 32. Michael Sielaff vs O Wieczorek |
| ½-½ | 54 | 2004 | Wroclaw-ch | B40 Sicilian |
| 33. J Orzechowski vs O Wieczorek |
| 1-0 | 12 | 2004 | Wroclaw-ch | A29 English, Four Knights, Kingside Fianchetto |
| 34. L Klykow vs O Wieczorek |
| 1-0 | 38 | 2004 | Wroclaw-ch | A07 King's Indian Attack |
| 35. O Wieczorek vs C Emiroglu |
| 1-0 | 30 | 2004 | EU-ch U10 | C45 Scotch Game |
| 36. O Wieczorek vs Swiercz |
| 0-1 | 19 | 2004 | EU-ch U10 | B01 Scandinavian |
| 37. O Wieczorek vs Berkay Asikuzun |
| 1-0 | 26 | 2004 | EU-ch U10 | B84 Sicilian, Scheveningen |
| 38. K Eranyan vs O Wieczorek |
| 1-0 | 62 | 2004 | EU-ch U10 | D35 Queen's Gambit Declined |
| 39. R Musaev vs O Wieczorek |
| ½-½ | 28 | 2004 | EU-ch U10 | C42 Petrov Defense |
| 40. A Hajiyev vs O Wieczorek |
| 0-1 | 63 | 2004 | EU-ch U10 | D35 Queen's Gambit Declined |
| 41. Sakaev vs O Wieczorek |
| 1-0 | 34 | 2004 | Warsaw AIG Life rapid | D35 Queen's Gambit Declined |
| 42. O Wieczorek vs E Wlodarczyk |
| 1-0 | 26 | 2005 | Blaszczak mem 20th | C45 Scotch Game |
| 43. Elzbieta Nawrot vs O Wieczorek |
| ½-½ | 43 | 2005 | Blaszczak mem 20th | D60 Queen's Gambit Declined, Orthodox Defense |
| 44. O Wieczorek vs V Ni |
| 1-0 | 43 | 2005 | Blaszczak mem 20th | B43 Sicilian, Kan, 5.Nc3 |
| 45. O Wieczorek vs A Scibior |
| ½-½ | 31 | 2005 | Blaszczak mem 20th | C11 French |
| 46. T Vanek vs O Wieczorek |
| 0-1 | 48 | 2005 | Blaszczak mem 20th | B28 Sicilian, O'Kelly Variation |
| 47. M Klekowski vs O Wieczorek |
| 0-1 | 39 | 2005 | Blaszczak mem 20th | B43 Sicilian, Kan, 5.Nc3 |
| 48. M Krzyzanowski vs O Wieczorek |
| 1-0 | 47 | 2005 | Blaszczak mem 20th | B42 Sicilian, Kan |
| 49. O Wieczorek vs A Bebel |
| ½-½ | 35 | 2005 | Blaszczak mem 20th | B00 Uncommon King's Pawn Opening |
| 50. O Wieczorek vs Tomasz Januszewski |
| 1-0 | 71 | 2005 | Blaszczak mem 20th | B33 Sicilian |
Kibitzing
