| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Yrjola vs M Hebden |
  | 1-0 | 41 | 1983 | WchT U26 | A57 Benko Gambit |
| 27. A Yusupov vs J Yrjola |
| 1-0 | 38 | 1983 | WchT U26 | E92 King's Indian |
| 28. J Yrjola vs Y Rantanen |
| ½-½ | 22 | 1983 | Poutiainen Memorial | E46 Nimzo-Indian |
| 29. T Pirttimaki vs J Yrjola |
| 0-1 | 57 | 1983 | Poutiainen Memorial | B30 Sicilian |
| 30. J Yrjola vs L Karlsson |
| ½-½ | 55 | 1983 | Poutiainen Memorial | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 31. J Yrjola vs V Maki |
| ½-½ | 17 | 1983 | Poutiainen Memorial | C26 Vienna |
| 32. J Yrjola vs P Lukacs |
| 0-1 | 39 | 1983 | Poutiainen Memorial | D44 Queen's Gambit Declined Semi-Slav |
| 33. Tukmakov vs J Yrjola |
| 1-0 | 32 | 1983 | Poutiainen Memorial | E63 King's Indian, Fianchetto, Panno Variation |
| 34. A Kuligowski vs J Yrjola |
| 0-1 | 38 | 1983 | Poutiainen Memorial | E80 King's Indian, Samisch Variation |
| 35. B Tiller vs J Yrjola |
| 0-1 | 36 | 1983 | Poutiainen Memorial | A01 Nimzovich-Larsen Attack |
| 36. I Farago vs J Yrjola |
| 1-0 | 41 | 1983 | Poutiainen Memorial | E97 King's Indian |
| 37. J Yrjola vs H Schussler |
| ½-½ | 16 | 1983 | Poutiainen Memorial | E15 Queen's Indian |
| 38. J Yrjola vs J Salonen |
| 1-0 | 40 | 1983 | Poutiainen Memorial | A46 Queen's Pawn Game |
| 39. J Yrjola vs M Kivisto |
| 0-1 | 32 | 1984 | Helsinki Open | E04 Catalan, Open, 5.Nf3 |
| 40. J Yrjola vs H Korhonen |
| 1-0 | 27 | 1984 | Helsinki Open | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 41. K Valkesalmi vs J Yrjola |
| 0-1 | 34 | 1984 | Helsinki Open | B63 Sicilian, Richter-Rauzer Attack |
| 42. Y Rantanen vs J Yrjola |
| 0-1 | 28 | 1984 | Helsinki Open | B60 Sicilian, Richter-Rauzer |
| 43. J Yrjola vs I Kanko |
| 1-0 | 25 | 1984 | Helsinki Open | E04 Catalan, Open, 5.Nf3 |
| 44. J Yrjola vs A Pyhala |
| 0-1 | 41 | 1984 | Helsinki Open | E04 Catalan, Open, 5.Nf3 |
| 45. J Nykopp vs J Yrjola |
| 0-1 | 34 | 1984 | Helsinki Open | B75 Sicilian, Dragon, Yugoslav Attack |
| 46. Petursson vs J Yrjola |
| 1-0 | 57 | 1984 | Troll Masters | E84 King's Indian, Samisch, Panno Main line |
| 47. D Cramling vs J Yrjola |
| 0-1 | 20 | 1984 | Gausdal | B08 Pirc, Classical |
| 48. J Yrjola vs Razuvaev |
| 0-1 | 52 | 1984 | Helsinki | B21 Sicilian, 2.f4 and 2.d4 |
| 49. Balashov vs J Yrjola |
| ½-½ | 42 | 1984 | Helsinki | B63 Sicilian, Richter-Rauzer Attack |
| 50. J Yrjola vs A Ornstein |
| ½-½ | 18 | 1984 | Helsinki | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
Kibitzing
