Vammen, Jakob
Current rating: 1417
Record: 2-7-1
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Lindqvist, Kristoffer (1542) | Lost 1-2 | -161428 |
| 2sealed | 142 | Appel, Rene (1572) | Draw 1-1 | +31431 |
| 3sealed | 182 | Holzweiss, Ralf (1588) | Lost 0-2 | -161415 |
| 4sealed | 219 | Schold, Hakan (1447) | Lost 0-2 | -171398 |
| 5sealed | 202 | Sjunneson, Martin (1428) | Won 2-0 | +191417 |
| average opponent: 1515record: 1-3-1 | new rating: 1417 | |||
| Grand Prix Copenhagen 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Jerrewing, Mattias (1482) | Won 2-1 | +181518 |
| 2sealed | 132 | Johansen, Jeppe (1512) | Lost 0-2 | -181500 |
| 3sealed | 163 | Kronander, Joel (1499) | Lost 0-2 | -181482 |
| 4sealed | 177 | Soerensen, Michael (1445) | Lost 0-2 | -191463 |
| 5sealed | 166 | schubert, momme (1428) | Lost 0-1 | -191444 |
| average opponent: 1473record: 1-4 | new rating: 1444 | |||