Ledvinka, Petr
Current rating: 1408
Record: 1-6-1
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 314 | Ouzky, Karel (1431) | Lost 0-2 | -191481 |
| 2modern | 636 | Haramia, Christopher (1488) | Lost 0-2 | -181463 |
| 3modern | 860 | Jimenez Martin, David Manuel (1466) | Lost 0-2 | -181445 |
| 4modern | 961 | Fichtner, Myriel (1447) | Lost 0-2 | -181427 |
| 5modern | 920 | Podio, Emanuele (1425) | Draw 1-1 | 01427 |
| 6modern | 825 | Stanus, Herve (1410) | Lost 0-2 | -181409 |
| 7modern | 745 | Riva, Luca (1402) | Lost 0-1 | -191390 |
| 8modern | 668 | Przybylski, Marek (1375) | Won 2-0 | +181408 |
| average opponent: 1430record: 1-6-1 | new rating: 1408 | |||