Halvorsen, Vidar
Current rating: 1488
Record: 6-7
| Grand Prix Oslo 2001 (Invasion block) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 35 | Solberg, Kim (1500) | Won 2-0 | +181534 |
| 2block | 33 | Andersen, Morten (1518) | Won 2-1 | +181552 |
| 3block | 8 | Eskeland, Sigurd (1827) | Lost 0-2 | -141538 |
| 4block | 42 | Buene, Oystein (1736) | Lost 0-2 | -141524 |
| 5block | 99 | Lundstrom, Per (1520) | Lost 1-2 | -181506 |
| 6block | 95 | Berge, Tarald (1481) | Lost 1-2 | -181488 |
| average opponent: 1597record: 2-4 | new rating: 1488 | |||
| Grand Prix Gothenburg 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Felix, Arvid (1499) | Won 2-1 | +181518 |
| 2sealed | 91 | Hammer, Tommy (1483) | Lost 0-2 | -191499 |
| 3sealed | 80 | Lindgren, Tommi (1423) | Won 2-0 | +171516 |
| 4sealed | 84 | Dahl, Alexander [NOR] (1518) | Won 2-0 | +181534 |
| 5sealed | 49 | Lundblad, Mikael (1544) | Lost 0-2 | -181516 |
| 6sealed | 79 | Oestergaard, Joan (1517) | Lost 0-2 | -181498 |
| 7sealed | 109 | Fernandez, Nicolas (1498) | Won 2-0 | +181516 |
| average opponent: 1497record: 4-3 | new rating: 1516 | |||