Uckermann, Jacob
Current rating: 1499
Record: 4-4
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 580 | Ludwikowski, Jan (1500) | Won 2-1 | +181518 |
| 2sealed | 589 | Cupal, Dominik (1517) | Lost 0-2 | -181500 |
| 3sealed | 666 | Vlach, Michal (1502) | Won 2-1 | +181518 |
| 4sealed | 722 | Pauli, Stev (1486) | Won 2-0 | +171535 |
| 5sealed | 668 | Berka, Martin (1365) | Lost 0-2 | -211514 |
| 6sealed | 700 | Gottschalk, Steffen (1517) | Won 2-0 | +181532 |
| 7sealed | 634 | Tochacek, Daniel (1567) | Lost 0-2 | -171515 |
| 8sealed | 648 | Sonnenschein, Benedikt (1623) | Lost 1-2 | -161499 |
| average opponent: 1510record: 4-4 | new rating: 1499 | |||