Happonen, Pasi
Current rating: 1501
Record: 3-3
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Bachmann, Mikk-Erik (1500) | Lost 0-2 | -181482 |
| 2sealed | 159 | Bogdanov, Dan (1482) | Won 2-0 | +181500 |
| 3sealed | 147 | Felkle, Artur (1500) | Won 2-1 | +181518 |
| 4sealed | 115 | Elo, Juha-Pekka (1522) | Won 2-0 | +181536 |
| 5sealed | 36 | Ohman, Janne (1537) | Lost 1-2 | -181518 |
| 6sealed | 106 | Iher, Kaupo (1554) | Lost 0-2 | -171501 |
| average opponent: 1516record: 3-3 | new rating: 1501 | |||