Olsen, Per
Current rating: 1451
| Grand Prix Copenhagen 2000 (PCY limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Koberda, Maciej (1500) | Won 2-0 | +191481 |
| 2sealed | 73 | Thille, Carl (1538) | Lost 0-2 | -171464 |
| 3sealed | 141 | Jacobsen, Peder (1500) | Lost 1-2 | -181446 |
| 4sealed | 166 | Oberauer, Florian (1480) | Won 2-0 | +191465 |
| 5sealed | 129 | Svensson, Rune (1536) | Lost 0-2 | -171448 |
| 6sealed | 122 | Bleck, Michael (1482) | Won 2-1 | +191467 |
| 7sealed | 96 | Ollila, Mika (1616) | Lost 0-2 | -161451 |
| top | average opponent: 1522record: 3-4 | new rating: 1451 | ||
| Grand Prix Tours 1999 (MMQ limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 171 | Demedts, Geert (1500) | Lost 0-2 | -181500 |
| 2sealed | 115 | Van Loock, Thierry (1482) | Lost 0-2 | -191481 |
| 3sealed | 4 | Delplanque, Baptiste (1464) | Won 2-0 | +181499 |
| 4sealed | 64 | Bouteyron, Florian (1482) | Lost 0-2 | -181481 |
| 5sealed | 52 | Da Silva, Paulo (1466) | Won 1-0 | +171498 |
| 6sealed | 158 | Alves, Carlos Fernando (1482) | Lost 1-2 | -181480 |
| 7sealed | 29 | frachet, noel (1464) | Lost 0-2 | -181462 |
| top | average opponent: 1477record: 2-5 | new rating: 1462 | ||
| Grand Prix Oslo 1999 (ULG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Magnusson, Janek (1500) | Lost 1-2 | -181482 |
| 2sealed | 117 | Sorensen, Ralph (1482) | Won 2-1 | +181500 |
| 3sealed | 115 | Kongestad, Jon (1500) | Lost 0-2 | -181482 |
| 4sealed | 114 | Seter, Kristian (1482) | Won 2-0 | +181500 |
| 5sealed | 125 | Ask, Rikard (1500) | Won 2-0 | +181518 |
| 6sealed | 81 | Hakala, Tero (1518) | Lost 0-2 | -181500 |
| 7sealed | 85 | Ellingvaag, Sondre (1499) | Won 2-0 | +181518 |
| top | average opponent: 1497record: 4-3 | new rating: 1518 | ||