Kovarik, Ondrej
Current rating: 1504
Record: 15-17
| Grand Prix Prague 2018 (modern) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 528 | Janak, Josef (1553) | Won 2-1 | +201474 |
| 2modern | 51 | Jabs, Slawomir (1733) | Lost 1-2 | -131461 |
| 3modern | 631 | Sutor, David (1500) | Won 2-1 | +181479 |
| 4modern | 494 | Matousek, Pavel (1842) | Won 2-1 | +251504 |
| 5modern | 328 | Capecce, Luigi (1413) | Lost 0-2 | -201484 |
| 6modern | 294 | Lachaud, Remy (1649) | Won 2-0 | +211505 |
| 7modern | 214 | Dudesek, Stepan (1475) | Lost 0-2 | -191486 |
| 8modern | 432 | Smetana, Ondrej (1454) | Won 2-0 | +181504 |
| top | average opponent: 1577record: 5-3 | new rating: 1504 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 256 | Ostman, Anders (1500) | Won 2-0 | +191464 |
| 2modern | 259 | Lindstrom, Vincent (1518) | Lost 1-2 | -171447 |
| 3modern | 427 | Larsen, Mads Bahn (1501) | Won 2-0 | +191466 |
| 4modern | 366 | Nobari, Poya (1841) | Lost 0-2 | -121454 |
| top | average opponent: 1590record: 2-2 | new rating: 1454 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 506 | Schneider, Jan (1453) | Lost 1-2 | -181438 |
| 2sealed | 479 | Schwarz, Andreas (1497) | Won 2-1 | +191457 |
| 3sealed | 478 | Chang, Yul (1501) | Won 2-0 | +191476 |
| 4sealed | 408 | Skramlik, Jan (1547) | Lost 0-2 | -171459 |
| 5sealed | 514 | Rennie, David (1418) | Won 2-1 | +171476 |
| 6sealed | 569 | Volker, Jan (1521) | Lost 0-2 | -171459 |
| 7sealed | 527 | Zidek, Arnost (1659) | Lost 0-2 | -141445 |
| top | average opponent: 1514record: 3-4 | new rating: 1445 | ||
| Grand Prix Prague 2016 (legacy) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 113 | Pigott, Mark (1467) | Lost 0-2 | -181449 |
| 2legacy | 454 | Fedoseev, Denis (1460) | Won 2-1 | +181467 |
| 3legacy | 428 | Paduano, Alex (1497) | Won 2-0 | +181485 |
| 4legacy | 275 | Murphy, David [IRL] (1625) | Lost 0-2 | -151470 |
| 5legacy | 431 | Thiesen, Anders (1533) | Won 2-0 | +191489 |
| 6legacy | 299 | Garner, George (1586) | Lost 0-2 | -161473 |
| 7legacy | 410 | Getz, Michael (1517) | Lost 0-2 | -171456 |
| top | average opponent: 1526record: 3-4 | new rating: 1456 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 106 | Tejnsky, Petr (1632) | Lost 0-2 | -161484 |
| 2modern | 435 | Chrobak, Bartlomiej (1536) | Lost 1-2 | -171467 |
| 3modern | 658 | Rienow, Julia (1463) | Won 2-0 | +181485 |
| 4modern | 555 | Kwolek, Krzysztof (1482) | Won 2-0 | +181503 |
| 5modern | 377 | Legat, Petr (1480) | Lost 0-2 | -181485 |
| 6modern | 534 | Antonovski, Juri (1481) | Lost 0-2 | -181467 |
| top | average opponent: 1512record: 2-4 | new rating: 1467 | ||