Aaltonen, Sebastian
Current rating: 1524
Record: 4-3
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Hautala, Janne (1500) | Lost 0-2 | -181482 |
| 2sealed | 171 | Lauter, Michael (1631) | Won 2-1 | +211503 |
| 3sealed | 102 | Kilpelainen, Tomi (1500) | Won 2-1 | +181521 |
| 4sealed | 99 | Gardelin, Jonas (1708) | Won 2-0 | +211542 |
| 5sealed | 60 | Pekkonen, Tatu (1533) | Lost 1-2 | -181524 |
| 6sealed | 82 | Facchini, Nullo (1552) | Won 2-1 | +181542 |
| 7sealed | 59 | Jaakkola, Veli-Matti (1542) | Lost 0-2 | -181524 |
| average opponent: 1566record: 4-3 | new rating: 1524 | |||