Chvostek, Ondrej
Current rating: 1464
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 521 | Svec, Martin (1500) | Won 2-1 | +191454 |
| 2sealed | 530 | Taranenko, Anastasia (1479) | Won 2-1 | +191473 |
| 3sealed | 524 | Drobny, Radoslav (1726) | Lost 1-2 | -141459 |
| 4sealed | 673 | Mitter, Jergus (1519) | Won 2-0 | +191478 |
| 5sealed | 593 | Wagner, Stefan (1513) | Lost 0-2 | -171461 |
| 6sealed | 616 | Bouton, Simon (1582) | Won 2-0 | +201481 |
| 7sealed | 576 | Nowak, Kamil (1560) | Lost 1-2 | -171464 |
| top | average opponent: 1554record: 4-3 | new rating: 1464 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 702 | Spenner, Dennis (1494) | Lost 0-2 | -171428 |
| 2standard | 916 | Domenico, Marvella (1483) | Won 2-0 | +191447 |
| 3standard | 792 | Bartolini, Valerio (1580) | Won 2-1 | +211468 |
| 4standard | 749 | Tallon, Gregory (1550) | Won 2-1 | +191487 |
| 5standard | 688 | Lochert, Johannes (1518) | Lost 1-2 | -171470 |
| 6standard | 726 | Jensen, Uffe (1501) | Lost 0-2 | -181452 |
| 7standard | 791 | Valuh, Branislav (1495) | Lost 1-2 | -171435 |
| top | average opponent: 1517record: 3-4 | new rating: 1435 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 710 | Lehnert, Heiko (1549) | Lost 0-2 | -171483 |
| 2sealed | 786 | Gabriel, Jan [CZE] (1482) | Won 2-0 | +181501 |
| 3sealed | 767 | Stangl, Alexander (1417) | Won 2-0 | +161517 |
| 4sealed | 676 | Baierhofer, Horst (1495) | Lost 0-2 | -181499 |
| 5sealed | 714 | Chodak, Michal (1473) | Lost 1-2 | -191480 |
| 6sealed | 734 | Lysek, Andrzej (1482) | Lost 0-2 | -181462 |
| 7sealed | 731 | Kogler, Stefan (1502) | Lost 0-2 | -171445 |
| top | average opponent: 1486record: 2-5 | new rating: 1445 | ||