| 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. J Yrjola vs Hebden |
 | 1-0 | 41 |
1983 |
ol (students) (tt) Chicago (USA) | A57 Benko Gambit |
| 4. V Tukmakov vs J Yrjola |
| 1-0 | 32 |
1983 |
Poutiainen mem | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 5. A Kuligowski vs J Yrjola |
| 0-1 | 38 |
1983 |
Poutiainen mem | A65 Benoni, 6.e4 |
| 6. J Yrjola vs Maki |
| ½-½ | 17 |
1983 |
Helsinki (Finland) | C26 Vienna |
| 7. Yusupov vs J Yrjola |
| 1-0 | 38 |
1983 |
WchT U26 | E92 King's Indian |
| 8. Romanishin vs J Yrjola |
| ½-½ | 18 |
1984 |
Sochi | A29 English, Four Knights, Kingside Fianchetto |
| 9. J Yrjola vs Razuvaev |
| 0-1 | 52 |
1984 |
Helsinki | B21 Sicilian, 2.f4 and 2.d4 |
| 10. W Schmidt vs J Yrjola |
| 1-0 | 48 |
1984 |
Thessaloniki ol (Men) | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 11. Geller vs J Yrjola |
| ½-½ | 37 |
1984 |
Sochi | B73 Sicilian, Dragon, Classical |
| 12. J Yrjola vs Psakhis |
| 0-1 | 40 |
1984 |
Sochi | E15 Queen's Indian |
| 13. P Cramling vs J Yrjola |
| ½-½ | 20 |
1984 |
Gausdal | B08 Pirc, Classical |
| 14. Petursson vs J Yrjola |
| 1-0 | 57 |
1984 |
Norway | E83 King's Indian, Samisch |
| 15. Balashov vs J Yrjola |
| ½-½ | 42 |
1984 |
Helsinki | B63 Sicilian, Richter-Rauzer Attack |
| 16. J Yrjola vs Tal |
| ½-½ | 22 |
1984 |
Sochi | A53 Old Indian |
| 17. J Yrjola vs L Day |
 | 1-0 | 42 |
1984 |
10, Thessaloniki olm ;BIG | A50 Queen's Pawn Game |
| 18. G Milos vs J Yrjola |
 | 0-1 | 40 |
1984 |
Olympiad | E92 King's Indian |
| 19. Larsen vs J Yrjola |
| 1-0 | 33 |
1985 |
Gausdal zt | A20 English |
| 20. J Yrjola vs I Rogers |
| ½-½ | 16 |
1985 |
Estonia | E10 Queen's Pawn Game |
| 21. J Yrjola vs Hertneck |
| ½-½ | 26 |
1985 |
Nordic-chT | E30 Nimzo-Indian, Leningrad |
| 22. J Yrjola vs Barbero |
| ½-½ | 43 |
1985 |
Ch World (team) (under 26) | A88 Dutch, Leningrad, Main Variation with c6 |
| 23. J Rodgaard vs J Yrjola |
| ½-½ | 40 |
1985 |
Pohja | A04 Reti Opening |
| 24. J Yrjola vs Petursson |
| 0-1 | 40 |
1985 |
Gausdal | B74 Sicilian, Dragon, Classical |
| 25. J Yrjola vs Yusupov |
| 0-1 | 37 |
1985 |
WchT U26 | A90 Dutch |