Jakubsky, Jan
Current rating: 1426
Record: 1-5-2
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 54 | Lindroth, Niklas (1530) | Draw 1-1 | +11501 |
| 2modern | 465 | de Jong, Bob (1393) | Lost 1-2 | -201481 |
| 3modern | 832 | Hoerbinger, Daniel (1458) | Lost 0-2 | -191462 |
| 4modern | 910 | Stanus, Herve (1445) | Won 2-0 | +181480 |
| 5modern | 771 | Trujillo Rojas, Pedro Antonio (1535) | Lost 1-2 | -171463 |
| 6modern | 772 | Halbich, Bernd (1464) | Draw 1-1 | 01463 |
| 7modern | 714 | Pavlicek, Miroslav (1432) | Lost 0-1 | -191444 |
| 8modern | 655 | Alward, Florian (1428) | Lost 0-2 | -181426 |
| average opponent: 1461record: 1-5-2 | new rating: 1426 | |||