Kopenen, Janne
Current rating: 1432
Record: 1-5
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Silander, Kristian (1500) | Won 2-1 | +181518 |
| 2sealed | 95 | Kettil, Mattias (1722) | Lost 0-2 | -141504 |
| 3sealed | 153 | Valori, Kim (1460) | Lost 0-2 | -191485 |
| 4sealed | 171 | Soininen, Antti (1533) | Lost 0-2 | -171468 |
| 5sealed | 181 | Hammar, Sami (1463) | Lost 0-2 | -181450 |
| 6sealed | 158 | Oljakka, Jarno (1444) | Lost 1-2 | -181432 |
| average opponent: 1521record: 1-5 | new rating: 1432 | |||