Katila, Olli
Current rating: 1468
Record: 2-4
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Rinne, Markus (1500) | Lost 1-2 | -181482 |
| 2sealed | 129 | Karppinen, Jesse (1595) | Won 2-1 | +201502 |
| 3sealed | 114 | Bohringer, Steffen (1602) | Lost 1-2 | -161486 |
| 4sealed | 183 | Becker, Otto (1485) | Lost 0-2 | -181468 |
| 5sealed | 186 | Uusvuo, Toni (1464) | Won 2-0 | +181486 |
| 6sealed | 142 | Furby, Mats (1484) | Lost 0-2 | -181468 |
| average opponent: 1522record: 2-4 | new rating: 1468 | |||