Ruokosenmaki, Ilkka
Current rating: 1489
Record: 2-3
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 95 | Hietanen, Ari (1500) | Won 2-1 | +181518 |
| 2sealed | 48 | Klooster, Aare (1500) | Won 2-0 | +181536 |
| 3sealed | 60 | Thille, Carl (1820) | Lost 0-2 | -131523 |
| 4sealed | 67 | Lepisto, Pekka (1627) | Lost 1-2 | -161507 |
| 5sealed | 158 | Aarela, Tommi (1500) | Lost 0-2 | -181489 |
| average opponent: 1589record: 2-3 | new rating: 1489 | |||