| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. P Lukacs vs J Yrjola |
| ½-½ | 22 |
1984 |
Sochi | E41 Nimzo-Indian |
| 27. Balashov vs J Yrjola |
| ½-½ | 42 |
1984 |
Helsinki | B63 Sicilian, Richter-Rauzer Attack |
| 28. Groszpeter vs J Yrjola |
| ½-½ | 41 |
1984 |
Sochi | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 29. J Yrjola vs L Day |
 | 1-0 | 42 |
1984 |
10, Thessaloniki olm ;BIG | A53 Old Indian |
| 30. K Kiik vs J Yrjola |
| 0-1 | 25 |
1985 |
Tallinn | B89 Sicilian |
| 31. J Yrjola vs Drasko |
| ½-½ | 17 |
1985 |
Tallinn | D29 Queen's Gambit Accepted, Classical |
| 32. H Karner vs J Yrjola |
| ½-½ | 52 |
1985 |
Tallinn | A28 English |
| 33. Tal vs J Yrjola |
| ½-½ | 21 |
1985 |
Tallinn | A21 English |
| 34. J Yrjola vs G Kuzmin |
| ½-½ | 17 |
1985 |
Tallinn | E17 Queen's Indian |
| 35. J Yrjola vs Barbero |
| ½-½ | 43 |
1985 |
Ch World (team) (under 26) | A88 Dutch, Leningrad, Main Variation with c6 |
| 36. J Yrjola vs Dolmatov |
| 0-1 | 44 |
1985 |
Tallinn | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 37. Gavrikov vs J Yrjola |
| 1-0 | 38 |
1985 |
Tallinn | B71 Sicilian, Dragon, Levenfish Variation |
| 38. J Yrjola vs A Kochyev |
| ½-½ | 28 |
1985 |
Tallinn | E67 King's Indian, Fianchetto |
| 39. A Veingold vs J Yrjola |
| 1-0 | 25 |
1985 |
Tallinn | E94 King's Indian, Orthodox |
| 40. Larsen vs J Yrjola |
| 1-0 | 33 |
1985 |
Gausdal zt | A20 English |
| 41. J Yrjola vs Yusupov |
| 0-1 | 37 |
1985 |
WchT U26 | A90 Dutch |
| 42. Oll vs J Yrjola |
| 1-0 | 41 |
1985 |
Tallinn | D16 Queen's Gambit Declined Slav |
| 43. J Rodgaard vs J Yrjola |
| ½-½ | 40 |
1985 |
Pohja | A04 Reti Opening |
| 44. J Yrjola vs T Karolyi Jr. |
| ½-½ | 24 |
1985 |
Tallinn | D63 Queen's Gambit Declined, Orthodox Defense |
| 45. J Yrjola vs Hertneck |
| ½-½ | 26 |
1985 |
Nordic-chT | E30 Nimzo-Indian, Leningrad |
| 46. J Yrjola vs I Rogers |
| ½-½ | 16 |
1985 |
Estonia | E10 Queen's Pawn Game |
| 47. Pribyl vs J Yrjola |
| ½-½ | 17 |
1985 |
Tallinn | A46 Queen's Pawn Game |
| 48. J Yrjola vs Petursson |
| 0-1 | 40 |
1985 |
Gausdal | B74 Sicilian, Dragon, Classical |
| 49. Sznapik vs J Yrjola |
| 0-1 | 29 |
1985 |
Pohja | B93 Sicilian, Najdorf, 6.f4 |
| 50. J Yrjola vs Ehlvest |
| ½-½ | 31 |
1985 |
Tallinn | D85 Grunfeld |