Oljakka, Jarno
Current rating: 1426
Record: 2-6
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Puustinen, Eetu (1483) | Lost 1-2 | -181482 |
| 2sealed | 146 | Sillanpaa, Tuomo (1482) | Lost 0-2 | -181464 |
| 3sealed | 191 | Rahikkala, Joni Markus (1463) | Won 2-0 | +181482 |
| 4sealed | 195 | Stavas, Ola (1438) | Lost 0-2 | -191463 |
| 5sealed | 167 | Stenberg, Mikko (1421) | Lost 1-2 | -191444 |
| 6sealed | 158 | Kopenen, Janne (1450) | Won 2-1 | +181462 |
| 7sealed | 135 | Bastrykin, Semen (1465) | Lost 1-2 | -181444 |
| 8sealed | 118 | Kerem, Hannes (1454) | Lost 0-2 | -181426 |
| average opponent: 1457record: 2-6 | new rating: 1426 | |||