Chocholaty, Jan
Current rating: 1524
Record: 4-3
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 155 | Wiktorzak, Piotr (1679) | Won 2-1 | +211521 |
| 3modern | 103 | Platzgummer, Jakob (1500) | Lost 0-2 | -181503 |
| 4modern | 426 | Berg, Chris-Dominic (1580) | Lost 1-2 | -171486 |
| 5modern | 676 | Lucchetta, Matteo (1475) | Lost 1-2 | -181468 |
| 6modern | 648 | Kraus, Marcin (1484) | Won 2-1 | +181486 |
| 7modern | 589 | Neubacher, Lauritz (1529) | Won 2-0 | +191505 |
| 8modern | 384 | De Vincenzi, Alessio (1527) | Won 2-1 | +191524 |
| average opponent: 1539record: 4-3 | new rating: 1524 | |||