Halvorsen, Thomas
Current rating: 1501
Record: 3-3
| Grand Prix Oslo 1999 (ULG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Nilsen, Hans Christian (1500) | Won 2-0 | +181518 |
| 2sealed | 77 | Davidsson, Mattias (1518) | Lost 0-2 | -181500 |
| 3sealed | 128 | Skovfoged, Thomas (1500) | Won 2-1 | +181518 |
| 4sealed | 80 | Merten, David (1557) | Lost 0-2 | -171501 |
| 5sealed | 109 | Ahtola, Kim (1499) | Won 2-1 | +181519 |
| 6sealed | 72 | Mukka, Daniel (1517) | Lost 0-2 | -181501 |
| average opponent: 1515record: 3-3 | new rating: 1501 | |||