| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Yrjola vs Adianto |
| 0-1 | 34 |
1982 |
Olympiad | D37 Queen's Gambit Declined |
| 2. D D Van Geet vs J Yrjola |
| 1-0 | 36 |
1982 |
Volmac-B corr8286 | A00 Uncommon Opening |
| 3. Yusupov vs J Yrjola |
| 1-0 | 38 |
1983 |
WchT U26 | E92 King's Indian |
| 4. J Yrjola vs P Lukacs |
| 0-1 | 39 |
1983 |
It | D44 Queen's Gambit Declined Semi-Slav |
| 5. J Yrjola vs Maki |
| ½-½ | 17 |
1983 |
Helsinki (Finland) | C26 Vienna |
| 6. J Yrjola vs Hebden |
 | 1-0 | 41 |
1983 |
ol (students) (tt) Chicago (USA) | A57 Benko Gambit |
| 7. V Tukmakov vs J Yrjola |
| 1-0 | 32 |
1983 |
Poutiainen mem | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 8. A Kuligowski vs J Yrjola |
| 0-1 | 38 |
1983 |
Poutiainen mem | A65 Benoni, 6.e4 |
| 9. P Lukacs vs J Yrjola |
| ½-½ | 22 |
1984 |
Sochi | E41 Nimzo-Indian |
| 10. P Cramling vs J Yrjola |
| ½-½ | 20 |
1984 |
Gausdal | B08 Pirc, Classical |
| 11. Balashov vs J Yrjola |
| ½-½ | 42 |
1984 |
Helsinki | B63 Sicilian, Richter-Rauzer Attack |
| 12. Groszpeter vs J Yrjola |
| ½-½ | 41 |
1984 |
Sochi | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 13. J Yrjola vs L Day |
 | 1-0 | 42 |
1984 |
10, Thessaloniki olm ;BIG | A53 Old Indian |
| 14. J Yrjola vs Sveshnikov |
| 0-1 | 34 |
1984 |
Sochi | B21 Sicilian, 2.f4 and 2.d4 |
| 15. J Yrjola vs Psakhis |
| 0-1 | 40 |
1984 |
Sochi | E15 Queen's Indian |
| 16. J Yrjola vs Vaisser |
| 1-0 | 35 |
1984 |
Sochi | E10 Queen's Pawn Game |
| 17. J Yrjola vs E Ubilava |
| ½-½ | 41 |
1984 |
Sochi | E05 Catalan, Open, Classical line |
| 18. Petursson vs J Yrjola |
| 1-0 | 57 |
1984 |
Norway | E83 King's Indian, Samisch |
| 19. Plaskett vs J Yrjola |
| ½-½ | 24 |
1984 |
Sochi | B21 Sicilian, 2.f4 and 2.d4 |
| 20. W Schmidt vs J Yrjola |
| 1-0 | 48 |
1984 |
Thessaloniki ol (Men) | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 21. J Yrjola vs G Agzamov |
| ½-½ | 21 |
1984 |
Sochi | D29 Queen's Gambit Accepted, Classical |
| 22. G Milos vs J Yrjola |
 | 0-1 | 40 |
1984 |
Olympiad | E92 King's Indian |
| 23. J Yrjola vs Razuvaev |
| 0-1 | 52 |
1984 |
Helsinki | B21 Sicilian, 2.f4 and 2.d4 |
| 24. Pribyl vs J Yrjola |
| 0-1 | 33 |
1984 |
Sochi | B50 Sicilian |
| 25. J Yrjola vs Tal |
| ½-½ | 22 |
1984 |
Sochi | A53 Old Indian |