| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Jakubowski vs Grigoriants |
| ½-½ | 20 |
2000 |
European Youth Championships | B54 Sicilian |
| 2. K Jakubowski vs T Jakubowski |
| 0-1 | 52 |
2001 |
TCh-POL | B90 Sicilian, Najdorf |
| 3. K Jakubowski vs K Chojnacki |
| 1-0 | 32 |
2001 |
ch-POL Boys U18 | B42 Sicilian, Kan |
| 4. K Jakubowski vs J Wojcieszyn |
| 1-0 | 38 |
2001 |
TCh-POL | B77 Sicilian, Dragon, Yugoslav Attack |
| 5. K Jakubowski vs R Tomczak |
| 1-0 | 27 |
2001 |
ch-POL Boys U18 | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 6. K Jakubowski vs Ni Hua |
| 0-1 | 42 |
2001 |
WYB18 | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 7. K Jakubowski vs R Sadykov |
| ½-½ | 43 |
2001 |
WYB18 | B90 Sicilian, Najdorf |
| 8. K Jakubowski vs J Dworakowska |
| ½-½ | 49 |
2001 |
Polish Supercup | B90 Sicilian, Najdorf |
| 9. K Jakubowski vs D Khismatullin |
| 1-0 | 59 |
2001 |
WYB18 | B90 Sicilian, Najdorf |
| 10. K Jakubowski vs G Timoshenko |
| 1-0 | 95 |
2003 |
Cappelle La Grande | B33 Sicilian |
| 11. K Jakubowski vs S Loskamp |
| 1-0 | 16 |
2003 |
Cappelle La Grande | B43 Sicilian, Kan, 5.Nc3 |
| 12. K Jakubowski vs P Cerveny |
| 1-0 | 22 |
2006 |
Brno Chess Festival | B80 Sicilian, Scheveningen |
| 13. K Jakubowski vs T Zhang |
| 1-0 | 76 |
2006 |
Cappelle la Grande | B42 Sicilian, Kan |
| 14. K Jakubowski vs M Jaworski |
| ½-½ | 19 |
2006 |
Polish Team Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 15. K Jakubowski vs M Cerveny |
| ½-½ | 36 |
2006 |
Brno Chess Festival | B90 Sicilian, Najdorf |
| 16. K Jakubowski vs Agrest |
| 0-1 | 39 |
2007 |
European Individual Championships | B75 Sicilian, Dragon, Yugoslav Attack |
