Helppikangas, Antero
Current rating: 1537
Record: 4-2
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 126 | Knuutti, Jussi (1481) | Won 2-0 | +181518 |
| 3sealed | 143 | Magnusson, Mikael (1569) | Won 2-0 | +191537 |
| 4sealed | 105 | Heikinniemi, Tommi (1539) | Won 2-0 | +181555 |
| 5sealed | 65 | Skalevik, Tore (1615) | Lost 1-2 | -171538 |
| 6sealed | 80 | Rosenstrom, Tom (1521) | Won 2-0 | +171555 |
| 7sealed | 51 | Nilsson, Niklas (1512) | Lost 0-2 | -181537 |
| average opponent: 1540record: 4-2 | new rating: 1537 | |||