| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Jobava vs K Jakubowski |
| 0-1 | 37 |
2001 |
WYB18 | B92 Sicilian, Najdorf, Opocensky Variation |
| 2. P Kos vs K Jakubowski |
| ½-½ | 59 |
2001 |
ch-POL Boys U18 | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 3. J Dworakowska vs K Jakubowski |
| 1-0 | 45 |
2001 |
Polish Supercup | B62 Sicilian, Richter-Rauzer |
| 4. A Kovchan vs K Jakubowski |
| 1-0 | 60 |
2001 |
WYB18 | B90 Sicilian, Najdorf |
| 5. M Skrzypnik vs K Jakubowski |
| 0-1 | 53 |
2001 |
TCh-POL | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 6. P Blehm vs K Jakubowski |
| 0-1 | 36 |
2001 |
TCh-POL | B90 Sicilian, Najdorf |
| 7. B Katkowski vs K Jakubowski |
| 0-1 | 71 |
2001 |
ch-POL Boys U18 | B23 Sicilian, Closed |
| 8. E Vorobiov vs K Jakubowski |
| 0-1 | 40 |
2003 |
Cappelle La Grande | B90 Sicilian, Najdorf |
| 9. A Bitalzadeh vs K Jakubowski |
| 0-1 | 34 |
2004 |
20th Cappelle la Grande | B90 Sicilian, Najdorf |
| 10. Nijboer vs K Jakubowski |
| 1-0 | 26 |
2006 |
Cappelle la Grande | B90 Sicilian, Najdorf |
| 11. T Nabaty vs K Jakubowski |
| ½-½ | 44 |
2006 |
Brno Chess Festival | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 12. Y Bruned vs K Jakubowski |
| 0-1 | 37 |
2006 |
Cappelle la Grande | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 13. K Toma vs K Jakubowski |
| 0-1 | 69 |
2006 |
Brno Chess Festival | B90 Sicilian, Najdorf |
| 14. N Vyskocil vs K Jakubowski |
| ½-½ | 73 |
2006 |
Brno Chess Festival | B81 Sicilian, Scheveningen, Keres Attack |
| 15. M Rada Equiza vs K Jakubowski |
| 0-1 | 41 |
2006 |
Brno Chess Festival | B90 Sicilian, Najdorf |
| 16. J Flis vs K Jakubowski |
| ½-½ | 28 |
2006 |
Polish Team Championship | B84 Sicilian, Scheveningen |
| 17. M Oleksienko vs K Jakubowski |
| 1-0 | 51 |
2007 |
European Individual Championships | B92 Sicilian, Najdorf, Opocensky Variation |
| 18. K Klokas vs K Jakubowski |
| 1-0 | 60 |
2007 |
European Individual Championships | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 19. D Howell vs K Jakubowski |
| 1-0 | 38 |
2008 |
8th Winterthur Chess Week | B22 Sicilian, Alapin |