Kokkonen, Antti
Current rating: 1463
Record: 4-6
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Tynkynniemi, Jussi (1500) | Won 2-0 | +191500 |
| 2sealed | 85 | Mela, Markus (1433) | Lost 1-2 | -201480 |
| 3sealed | 112 | Schuette, Soeren (1478) | Lost 0-2 | -181462 |
| 4sealed | 145 | Wikstrom, Mikael (1455) | Won 2-0 | +181480 |
| 5sealed | 110 | Ahonen, Pekka (1501) | Lost 1-2 | -171463 |
| average opponent: 1474record: 2-3 | new rating: 1463 | |||
| Grand Prix Helsinki 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Reich, Philip (1447) | Lost 1-2 | -191481 |
| 2sealed | 93 | Nuortio, Matti (1482) | Won 2-0 | +181499 |
| 3sealed | 123 | Sadeghpour, Johan (1575) | Lost 1-2 | -171482 |
| 4sealed | 152 | Liimatta, Petri (1483) | Won 2-0 | +181500 |
| 5sealed | 88 | Matousek, Pavel (1436) | Lost 1-2 | -191481 |
| average opponent: 1485record: 2-3 | new rating: 1481 | |||