Pelc, Marek
Current rating: 1529
Record: 7-6
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 687 | Helbig, Martin (1604) | Won 2-1 | +201502 |
| 2sealed | 570 | Kocis, Denes (1466) | Lost 0-2 | -181484 |
| 3sealed | 606 | Ottomansky, Vojtech (1502) | Won 2-1 | +181502 |
| 4sealed | 685 | Baldus, Michael (1629) | Lost 1-2 | -161486 |
| 5sealed | 695 | Strubelj, Gregor (1613) | Won 2-0 | +211507 |
| 6sealed | 623 | Schwarz, Iris (1533) | Won 2-0 | +181525 |
| 7sealed | 567 | Roughan, Stephen (1501) | Won 2-1 | +181543 |
| 8sealed | 558 | Tagi-Zade, Eldar (1811) | Lost 0-2 | -141529 |
| average opponent: 1582record: 5-3 | new rating: 1529 | |||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | Pavlat, Tomas (1500) | Won 2-0 | +181518 |
| 2sealed | 169 | Schepp, Maurice (1527) | Won 2-0 | +181536 |
| 3sealed | 78 | Vrany, Martin (1537) | Lost 0-2 | -181518 |
| 4sealed | 153 | Horalek, Stepan (1519) | Lost 1-2 | -181500 |
| 5sealed | 275 | Kroczak, Michal (1500) | Lost 1-2 | -181482 |
| average opponent: 1517record: 2-3 | new rating: 1482 | |||