Koster, Thomas
Current rating: 1501
Record: 3-3
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 38 | Hojsgaard, Rune (1500) | Lost 0-2 | -181482 |
| 2modern | 518 | Petersen, Maja (1482) | Won 2-0 | +181500 |
| 3modern | 539 | Jensen, Anders Munk (1500) | Won 2-0 | +181518 |
| 4modern | 169 | Oliviero, Marco (1568) | Won 2-0 | +191537 |
| 5modern | 144 | Cwiklinski, Piotr (1560) | Lost 0-2 | -181519 |
| 6modern | 386 | Lindberg, Erik (1505) | Lost 0-2 | -181501 |
| average opponent: 1519record: 3-3 | new rating: 1501 | |||