Halvorsen, Erik
Current rating: 1482
Record: 2-3
| Grand Prix Oslo 1999 (ULG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Whelan, Alexander (1500) | Won 2-0 | +181518 |
| 2sealed | 29 | Halvorsen, Jorn Inge (1500) | Won 2-1 | +181536 |
| 3sealed | 52 | Holm, Cato (1536) | Lost 1-2 | -181518 |
| 4sealed | 67 | Eriksson, Johan (1516) | Lost 0-2 | -181500 |
| 5sealed | 92 | Grythe, Simen (1500) | Lost 1-2 | -181482 |
| average opponent: 1510record: 2-3 | new rating: 1482 | |||