Cerych, Ondrej
Current rating: 1474
Record: 18-19
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 978 | Janosic, Filip (1539) | Won 2-0 | +181547 |
| 2sealed | 485 | Gertsovskiy, David (1472) | Lost 0-2 | -191528 |
| 3sealed | 698 | Petrik, Adam (1572) | Lost 0-2 | -171511 |
| 4sealed | 899 | Poliakoff, Laurent (1484) | Lost 1-2 | -191492 |
| 5sealed | 948 | D'Eredita, Gianluca (1474) | Lost 0-2 | -181474 |
| top | average opponent: 1508record: 1-4 | new rating: 1474 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 49 | Czuron, Alan (1444) | Won 2-0 | +161588 |
| 2standard | 177 | Bylica, Lukasz (1575) | Lost 1-2 | -181570 |
| 3standard | 391 | Gromada, Piotr (1500) | Lost 0-2 | -201550 |
| 4standard | 509 | Paterka, Artur (1482) | Won 2-1 | +171567 |
| 5standard | 451 | Pedersen, Nicolai Kabbeltved (1492) | Lost 0-2 | -191548 |
| 6standard | 422 | Sujak, Mieszko (1515) | Lost 0-2 | -191529 |
| top | average opponent: 1501record: 2-4 | new rating: 1529 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 232 | Toborek, Mateusz (1500) | Won 2-0 | +181537 |
| 2sealed | 179 | Hahn, Lennard (1554) | Won 2-1 | +181555 |
| 3sealed | 265 | Winkler, Eric (1549) | Lost 1-2 | -181537 |
| 4sealed | 323 | Filip, David (1479) | Lost 1-2 | -191518 |
| 5sealed | 429 | Johansson, Viktor (1438) | Won 2-0 | +171535 |
| 6sealed | 251 | Hochstoger, Andre (1474) | Won 2-0 | +171552 |
| 7sealed | 159 | Nguyen, Guillaume (1513) | Won 2-0 | +171569 |
| 8sealed | 211 | Valkeapaa, Tuomas (1571) | Won 2-1 | +181587 |
| 9sealed | 70 | Canavesi, Daniele (1775) | Lost 1-2 | -151572 |
| top | average opponent: 1539record: 6-3 | new rating: 1572 | ||
| Grand Prix Rimini 2013 (M14 limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | de Cesare, Lucio (1448) | Won 2-1 | +171518 |
| 2sealed | 132 | Kjellstrom, Gustav (1555) | Won 2-0 | +191537 |
| 3sealed | 124 | Lunghi, Jacopo (1637) | Lost 1-2 | -161521 |
| 4sealed | 295 | Danieli, Niv (1482) | Lost 0-2 | -191502 |
| 5sealed | 316 | Mastroberardino, Adolf (1501) | Won 2-1 | +181520 |
| 6sealed | 230 | Baldrati, Enrico (1480) | Lost 0-2 | -191501 |
| 7sealed | 278 | Fermani, Marco (1476) | Won 2-0 | +181519 |
| 8sealed | 228 | Poli, Andrea (1516) | Won 1-0 | +181537 |
| 9sealed | 163 | Sanchez Garrido, Ricardo (1576) | Lost 0-2 | -181519 |
| top | average opponent: 1519record: 5-4 | new rating: 1519 | ||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 150 | Lee, Sok-Yong (1557) | Lost 0-2 | -171483 |
| 2sealed | 177 | Snajdr, Marek (1481) | Won 2-1 | +181501 |
| 3sealed | 181 | Markin, Yuri (1505) | Lost 0-2 | -181483 |
| 4sealed | 197 | Trucza, Istvan (1482) | Lost 1-2 | -181465 |
| 5sealed | 261 | Blaha, Antonin (1464) | Won 2-0 | +181483 |
| 6sealed | 181 | Beletskaya, Katerina (1480) | Lost 0-2 | -181465 |
| 7sealed | 201 | Zbynek, Berecka (1464) | Won 2-0 | +181483 |
| 8sealed | 155 | Cernohous, Jan (1483) | Won 2-1 | +181501 |
| top | average opponent: 1490record: 4-4 | new rating: 1501 | ||