Jokinen, Kosti
Current rating: 1499
Record: 4-4
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Nuortio, Matti (1446) | Won 2-1 | +171517 |
| 2sealed | 84 | Makarov, Denis (1494) | Lost 0-2 | -181499 |
| 3sealed | 99 | Doering, Alexander (1502) | Lost 0-2 | -181481 |
| 4sealed | 189 | Uusvuo, Toni (1482) | Won 2-0 | +181499 |
| 5sealed | 137 | Vallin, Hannu (1495) | Lost 1-2 | -181481 |
| 6sealed | 132 | Petersell, Olgerd (1483) | Won 2-1 | +181499 |
| 7sealed | 116 | Snarheim, Dagfinn (1530) | Lost 0-2 | -181481 |
| 8sealed | 102 | Hammar, Sami (1482) | Won 2-0 | +181499 |
| average opponent: 1489record: 4-4 | new rating: 1499 | |||