Kemmer, Jana
Current rating: 1481
Record: 2-3-2
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 91 | Schroeder, Yann (1526) | Draw 1-1 | 01500 |
| 2modern | 461 | Noorlander, Mark (1355) | Lost 0-2 | -201480 |
| 3modern | 816 | Broggi, Francesco (1482) | Draw 1-1 | 01480 |
| 4modern | 901 | Cwiklinski, Piotr (1485) | Won 2-0 | +181498 |
| 5modern | 764 | Luft, Benjamin (1578) | Lost 0-1 | -171481 |
| 6modern | 766 | Chassagneux, Yvon (1437) | Won 2-0 | +181499 |
| 7modern | 621 | Dvorak, Radoslav (1527) | Lost 0-2 | -181481 |
| average opponent: 1484record: 2-3-2 | new rating: 1481 | |||