| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Yoos vs Kudrin |
| 0-1 | 47 |
1990 |
Chicago (USA) | B12 Caro-Kann Defense |
| 2. J Yoos vs Igor Ivanov |
| ½-½ | 34 |
1991 |
Chicago National op | B44 Sicilian |
| 3. K Spraggett vs J Yoos |
| 1-0 | 44 |
1994 |
Winnipeg CAN-open | B06 Robatsch |
| 4. J Yoos vs A Kapstan |
| 1-0 | 31 |
1994 |
It open | C36 King's Gambit Accepted, Abbazia Defense |
| 5. V Tukmakov vs J Yoos |
| 1-0 | 41 |
1994 |
CAN-op | E63 King's Indian, Fianchetto, Panno Variation |
| 6. L Day vs J Yoos |
 | 1-0 | 55 |
1996 |
Canadian Championships Toronto CAN | B23 Sicilian, Closed |
| 7. J Yoos vs H J Schubert |
| ½-½ | 17 |
1996 |
It open | C34 King's Gambit Accepted |
| 8. J Yoos vs S Gravel |
 | 0-1 | 42 |
1996 |
14 | C36 King's Gambit Accepted, Abbazia Defense |
| 9. J Yoos vs B Bjornsson |
| 1-0 | 41 |
1996 |
It open | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 10. J Yoos vs D Gustafson |
| 1-0 | 82 |
1996 |
It open | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 11. J Yoos vs Hjartarson |
| 0-1 | 32 |
1996 |
It open | C38 King's Gambit Accepted |
| 12. K Spraggett vs J Yoos |
| 1-0 | 41 |
1996 |
Ch Canada | E94 King's Indian, Orthodox |
| 13. J Yoos vs A Kapstan |
 | 1-0 | 19 |
1997 |
09 | C34 King's Gambit Accepted |
| 14. G Huber vs J Yoos |
| 1-0 | 44 |
1997 |
Canadian Open | B23 Sicilian, Closed |
| 15. Shabalov vs J Yoos |
| 1-0 | 34 |
1997 |
Canadian Open | E90 King's Indian |
| 16. J Yoos vs C Hartman |
| 1-0 | 46 |
1998 |
Stockholm SWE | C38 King's Gambit Accepted |
| 17. Nickoloff vs J Yoos |
| 1-0 | 46 |
1999 |
CAN-ch | E92 King's Indian |
| 18. J Yoos vs W Shipman |
 | 1-0 | 27 |
1999 |
Falkoner International Team | C37 King's Gambit Accepted |
| 19. J Yoos vs T Gelashvili |
| 0-1 | 65 |
2000 |
Istanbul ol (Men) | B01 Scandinavian |
| 20. J Yoos vs T Gelashvili |
| 0-1 | 11 |
2000 |
Olympiad | A46 Queen's Pawn Game |
| 21. A Kolev vs J Yoos |
| 1-0 | 45 |
2000 |
34th Olympiad | E60 King's Indian Defense |
| 22. G Orlov vs J Yoos |
| 1-0 | 23 |
2001 |
26th Keres Mem | D06 Queen's Gambit Declined |
| 23. J Yoos vs D Haessel |
| 0-1 | 24 |
2001 |
Canadian Closed | B95 Sicilian, Najdorf, 6...e6 |
| 24. J Yoos vs E Lawson |
| 1-0 | 56 |
2001 |
Canadian Closed | B32 Sicilian |
| 25. J Yoos vs G Kostadinov |
| 1-0 | 47 |
2001 |
26th Keres Mem | B99 Sicilian, Najdorf, 7...Be7 Main line |