Hyrkko, Kari
Current rating: 1500
Record: 2-2
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 157 | Mannikko, Petteri (1500) | Lost 0-2 | -181482 |
| 2sealed | 163 | Schuette, Soeren (1460) | Lost 1-2 | -181464 |
| 3sealed | 193 | Salonen, Aleksi (1463) | Won 2-0 | +181482 |
| 4sealed | 187 | Hamalainen, Olli 4217 (1484) | Won 2-1 | +181500 |
| average opponent: 1477record: 2-2 | new rating: 1500 | |||