Wathen, Petri
Current rating: 1518
Record: 4-3
| Grand Prix Helsinki 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Vainikainen, Tommi (1500) | Won 2-0 | +181518 |
| 2sealed | 26 | Hietala, Markus (1510) | Won 2-1 | +181536 |
| 3sealed | 41 | Malin, Antti (1536) | Lost 0-2 | -181518 |
| 4sealed | 65 | Smetana, Michal (1503) | Lost 0-2 | -181500 |
| 5sealed | 122 | Niinisto, Juha (1500) | Won 2-1 | +181518 |
| 6sealed | 76 | Nikolajeff, Victor (1530) | Lost 0-0 | -181500 |
| 7sealed | 109 | Sundquist, Pasi (1500) | Won 2-1 | +181518 |
| average opponent: 1511record: 4-3 | new rating: 1518 | |||