Jestribek, Jan
Current rating: 1454
| Grand Prix Prague 2018 (modern) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 537 | Michaelis, Mario (1305) | Lost 1-2 | -211428 |
| 2modern | 670 | Kordovan, Daniel (1489) | Lost 1-2 | -171411 |
| 3modern | 938 | Alward, Florian (1464) | Won 2-0 | +191430 |
| 4modern | 835 | Luhan, Martin (1421) | Lost 0-2 | -181412 |
| 5modern | 792 | Rychtar, Zbynek (1467) | Won 2-1 | +191431 |
| 6modern | 674 | Bittrich, Mike Oliver (1483) | Won 2-0 | +191450 |
| 7modern | 566 | Sawicki, Bernard (1621) | Lost 0-2 | -151435 |
| 8modern | 567 | Kammradt, Sebastian (1483) | Won 2-0 | +191454 |
| top | average opponent: 1467record: 4-4 | new rating: 1454 | ||
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 94 | Gerevini, Alan (1541) | Lost 1-2 | -161452 |
| 5legacy | 122 | Bittner, Jacques (1615) | Won 2-1 | +211473 |
| 6legacy | 61 | Mengucci, Andrea (1796) | Lost 0-2 | -131460 |
| 7legacy | 161 | Haefeker, Jan Erik (1664) | Lost 0-2 | -141446 |
| 8legacy | 277 | Broeke, Luke (1568) | Lost 0-2 | -161430 |
| 9legacy | 291 | Brinkmann, Jan (1462) | Won 2-1 | +191449 |
| top | average opponent: 1608record: 2-4 | new rating: 1449 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Safar, Martin (1500) | Won 2-0 | +181518 |
| 2sealed | 182 | Meissner, Patrick (1751) | Lost 1-2 | -141504 |
| 3sealed | 269 | Dosch, Sven (1447) | Lost 1-2 | -191485 |
| 4sealed | 339 | Ton, Jonathan (1547) | Lost 0-2 | -171468 |
| top | average opponent: 1561record: 1-3 | new rating: 1468 | ||