Oest Jacobsen, Karsten
Current rating: 1444
Record: 1-4
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 247 | Hagedorn, David (1496) | Lost 0-2 | -181482 |
| 2modern | 663 | Renfro, Ian Glenn (1413) | Lost 1-2 | -191463 |
| 3modern | 795 | Erni Cassola, Gabriel (1468) | Won 2-0 | +181481 |
| 4modern | 731 | Tuomisto, Ville (1450) | Lost 0-2 | -191462 |
| 5modern | 774 | Hjelmager, Kevin (1465) | Lost 1-2 | -181444 |
| average opponent: 1458record: 1-4 | new rating: 1444 | |||