Kollert, Michal
Current rating: 1516
Record: 8-7
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Bojtar, Gyula (1433) | Won 2-1 | +171518 |
| 2sealed | 138 | Beentjes, Pim (1519) | Won 2-0 | +181536 |
| 3sealed | 48 | Macosek, Jan (1661) | Lost 0-2 | -161520 |
| 4sealed | 149 | Prodhomme, Patrick (1482) | Won 2-1 | +171537 |
| 5sealed | 82 | Mikuscak, Daniel (1465) | Lost 0-2 | -191518 |
| 6sealed | 113 | Svaton, Cenek (1509) | Won 2-0 | +181536 |
| 7sealed | 90 | Rybar, Jiri (1489) | Lost 1-2 | -191517 |
| 8sealed | 103 | Chlumecky, Lukas (1543) | Won 2-0 | +181535 |
| 9sealed | 70 | Wouters, Robin (1462) | Lost 0-2 | -191516 |
| average opponent: 1507record: 5-4 | new rating: 1516 | |||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 28 | Kunst, Jan (1500) | Won 2-1 | +181518 |
| 2sealed | 89 | Brozek, Petr (1516) | Won 2-1 | +181536 |
| 3sealed | 96 | Matousek, Pavel (1631) | Lost 1-2 | -161520 |
| 4sealed | 189 | Kislinger, Pavel (1500) | Lost 0-2 | -191501 |
| 5sealed | 305 | Rizhikov, Pavel (1472) | Lost 1-2 | -181483 |
| 6sealed | 265 | Polak, Lukas (1482) | Won 2-1 | +181501 |
| average opponent: 1517record: 3-3 | new rating: 1501 | |||