Kammradt, Sebastian
Current rating: 1472
Record: 7-9
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Colmenares, Ricardo (1500) | Won 2-1 | +191483 |
| 2sealed | 315 | Ackermann, Felix (1698) | Lost 0-2 | -141469 |
| 3sealed | 493 | Barth, Konstantin (1595) | Lost 0-2 | -161453 |
| 4sealed | 579 | Hartmann, Charly (1513) | Lost 1-2 | -171436 |
| 5sealed | 557 | Mahabier, Rishaal (1469) | Lost 0-2 | -171419 |
| 6sealed | 500 | Selchau, Dan (1394) | Won 2-0 | +171436 |
| 7sealed | 407 | Stoop, Jan (1412) | Won 2-0 | +181454 |
| 8sealed | 319 | Bonzom, Serge Guy (1451) | Won 2-1 | +181472 |
| average opponent: 1504record: 4-4 | new rating: 1472 | |||
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 482 | Hecht, Michael (1500) | Won 2-0 | +181518 |
| 2modern | 164 | Willmann, Philipp (1513) | Lost 0-2 | -181500 |
| 3modern | 683 | Berger, Florian (1499) | Won 2-0 | +181518 |
| 4modern | 327 | Laguerre, Mathieu (1683) | Lost 0-2 | -151503 |
| 5modern | 491 | Kuypers, Lars (1435) | Lost 1-2 | -191484 |
| 6modern | 618 | Gonzalez Esteban, Daniel (1416) | Lost 1-2 | -201464 |
| 7modern | 632 | Verbeek, Maarten (1508) | Won 2-1 | +191483 |
| 8modern | 567 | Jestribek, Jan (1435) | Lost 0-2 | -191464 |
| average opponent: 1499record: 3-5 | new rating: 1464 | |||