Oljakka, Jouni
Current rating: 1445
Record: 2-5-1
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Bronswijk, Andre (1502) | Draw 1-1 | 01500 |
| 2sealed | 111 | Keskitalo, Mikko (1500) | Lost 0-2 | -181482 |
| 3sealed | 163 | Niinisto, Juha (1465) | Lost 1-2 | -181464 |
| 4sealed | 201 | Tolpanniemi, Tapani (1464) | Won 2-0 | +181482 |
| 5sealed | 163 | Tynkynniemi, Jussi (1482) | Won 2-1 | +181500 |
| 6sealed | 129 | Kokkila, Kimmo Ilari (1499) | Lost 1-2 | -181482 |
| 7sealed | 122 | Murins, Vladimirs (1452) | Lost 0-2 | -191463 |
| 8sealed | 112 | Leskinen, Teemu (1463) | Lost 1-2 | -181445 |
| average opponent: 1478record: 2-5-1 | new rating: 1445 | |||