Halver, Jonas
Current rating: 1436
Record: 2-6
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 12 | Lundberg, Patrik (1545) | Won 2-0 | +201466 |
| 2modern | 349 | Tollenaar, Xandor (1536) | Won 2-0 | +201486 |
| 3modern | 384 | Olausson, Philip (1505) | Lost 1-2 | -181468 |
| 4modern | 495 | Salling Hvass, Jonatan (1490) | Lost 1-2 | -181450 |
| 5modern | 671 | Thidemann, Anders (1654) | Lost 0-2 | -141436 |
| average opponent: 1546record: 2-3 | new rating: 1436 | |||
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 383 | Dominiak, Krzysztof (1529) | Lost 0-2 | -171483 |
| 2modern | 520 | Poulsen, Jacob Kousgaa (1480) | Lost 0-2 | -191464 |
| 3modern | 581 | Kobbero, Patrick (1464) | Lost 0-2 | -181446 |
| average opponent: 1491record: 0-3 | new rating: 1446 | |||