Bornmann, Jonas
Current rating: 1469
Record: 2-4
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 810 | Chan-Im, Jonathan (1605) | Lost 0-2 | -161466 |
| 2sealed | 1218 | Cordero, Angel (1500) | Lost 1-2 | -171449 |
| 3sealed | 1074 | Minchev, Zdravko (1426) | Won 2-1 | +171466 |
| 4sealed | 1035 | Fembock, Sascha (1484) | Won 2-1 | +191485 |
| 5sealed | 655 | Meyer, Tony (1635) | Lost 0-2 | -161469 |
| average opponent: 1530record: 2-3 | new rating: 1469 | |||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 536 | Kieser, Tobias (1500) | Lost 1-2 | -181482 |
| record: 0-1 | new rating: 1482 | |||