Zieba, Jakub
Current rating: 1567
Record: 5-2-1
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Podlesak, Pavel (1500) | Won 2-0 | +181518 |
| 2sealed | 22 | Zoova, Sander (1517) | Won 2-1 | +181536 |
| 3sealed | 84 | Mayer, Manuel (1811) | Won 2-0 | +231559 |
| 4sealed | 4 | Liljefeldt, Olle (1526) | Won 2-0 | +171576 |
| 5sealed | 35 | Mueller, Andre (1763) | Lost 1-2 | -141562 |
| 6sealed | 68 | Kwiatkowski, Maciej (1562) | Won 2-1 | +181580 |
| 7sealed | 40 | Floch, Ivan (1911) | Draw 1-1 | +51585 |
| 8sealed | 30 | Jakubec, Stepan (1534) | Lost 0-2 | -181567 |
| average opponent: 1641record: 5-2-1 | new rating: 1567 | |||