Gronbek, Jakob
Current rating: 1517
Record: 4-3
| Grand Prix Oslo 1999 (ULG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Christensen, Benn (1500) | Won 2-1 | +181518 |
| 2sealed | 83 | Fagermoe, Rune (1518) | Lost 0-2 | -181500 |
| 3sealed | 70 | Loumo, Leif Tore (1500) | Won 2-0 | +181518 |
| 4sealed | 60 | Eggen, Oddbjorn (1518) | Won 2-0 | +181536 |
| 5sealed | 25 | Ostvik, Asgeir (1482) | Lost 0-2 | -191517 |
| 6sealed | 58 | Skalevik, Tore (1517) | Won 2-1 | +181535 |
| 7sealed | 56 | Jakobsen, Martin (1536) | Lost 1-2 | -181517 |
| average opponent: 1510record: 4-3 | new rating: 1517 | |||