Zigo, Peter
Current rating: 1462
Record: 3-5
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 520 | Kozak, Jan (1484) | Won 2-0 | +181518 |
| 2sealed | 626 | Matthee, Simon (1448) | Won 2-0 | +161534 |
| 3sealed | 569 | Poliak, Jakub (1535) | Lost 0-2 | -181516 |
| 4sealed | 629 | Amans, Nicolas (1481) | Lost 0-2 | -181498 |
| 5sealed | 657 | Jakub, Janecek (1506) | Lost 0-2 | -181480 |
| 6sealed | 679 | Matys, Ondrej (1489) | Won 2-1 | +181498 |
| 7sealed | 655 | Tavoda, Martin (1503) | Lost 0-2 | -181480 |
| 8sealed | 623 | Phillips, Ian (1463) | Lost 0-2 | -181462 |
| average opponent: 1489record: 3-5 | new rating: 1462 | |||