| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Olsar vs M Styblo |
| 1-0 | 38 |
1994 |
Extra League /95 | C44 King's Pawn Game |
| 2. J Olsar vs Lubomir Betko |
 | 1-0 | 54 |
2000 |
SVK-chT3C 9900 | B22 Sicilian, Alapin |
| 3. J Olsar vs L Zimniok |
| 1-0 | 27 |
2001 |
open | B22 Sicilian, Alapin |
| 4. J Olsar vs M Kantorik |
| 1-0 | 28 |
2001 |
SVK-chT1 East 2000/01 | C44 King's Pawn Game |
| 5. J Olsar vs R Slezak |
| 1-0 | 31 |
2001 |
open | B22 Sicilian, Alapin |
| 6. J Olsar vs Jaroslav Matejov |
| 1-0 | 34 |
2001 |
SVK-chT1 East 2000/01 | B22 Sicilian, Alapin |
| 7. J Olsar vs J Szotek |
| 1-0 | 54 |
2001 |
open | C49 Four Knights |
| 8. J Olsar vs Z Zimniok |
| 1-0 | 33 |
2001 |
open | B07 Pirc |
| 9. J Olsar vs Y Meshkov |
| 1-0 | 33 |
2007 |
IBCA European Individual Championship | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 10. J Olsar vs R Nizam |
| 1-0 | 76 |
2007 |
IBCA European Individual Championship | C02 French, Advance |
| 11. Z Gosek vs J Olsar |
| 0-1 | 48 |
2007 |
IBCA European Individual Championship | C49 Four Knights |
| 12. J Olsar vs C Crouch |
| 1-0 | 36 |
2007 |
IBCA European Individual Championship | B82 Sicilian, Scheveningen |
| 13. J Olsar vs A Pirosca |
| 1-0 | 34 |
2007 |
IBCA European Individual Championship | B33 Sicilian |
| 14. V Berlinsky vs J Olsar |
| 0-1 | 30 |
2007 |
IBCA European Individual Championship | C57 Two Knights |
| 15. J Olsar vs W Armstrong |
| 1-0 | 28 |
2007 |
IBCA European Individual Championship | B22 Sicilian, Alapin |
