Ouzky, Karel
Current rating: 1452
Record: 28-34-1
| Grand Prix Prague 2018 (modern) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 314 | Ledvinka, Petr (1500) | Won 2-0 | +191450 |
| 2modern | 429 | Rentsch, Jari (1850) | Won 2-0 | +251475 |
| 3modern | 140 | Lange, Bastian (1550) | Lost 0-2 | -171458 |
| 4modern | 353 | Kall, Marian (1582) | Won 2-0 | +201478 |
| 5modern | 279 | Lave, Ole (1618) | Won 2-1 | +211499 |
| 6modern | 227 | Talewski, Grzegorz (1612) | Lost 1-2 | -161483 |
| 7modern | 389 | Crabtree, Daniel (1486) | Lost 1-2 | -181465 |
| 8modern | 404 | Lindgren, Tommi (1753) | Lost 0-2 | -131452 |
| top | average opponent: 1619record: 4-4 | new rating: 1452 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 224 | Ingham, John (1467) | Lost 1-2 | -161382 |
| 3legacy | 459 | Tuma, Jiri (1669) | Lost 0-2 | -131369 |
| 4legacy | 425 | Seren, Guillaume (1496) | Won 2-1 | +201389 |
| 5legacy | 322 | Pilz, Michael (1501) | Won 2-1 | +201409 |
| 6legacy | 294 | Dewerchin, Loic (1465) | Won 2-1 | +191428 |
| 7legacy | 159 | Luis, Manuel (1490) | Lost 1-2 | -171411 |
| 8legacy | 263 | Carter, Ryan (1489) | Won 2-1 | +201431 |
| top | average opponent: 1511record: 4-3 | new rating: 1431 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 490 | Holm, Sjur (1542) | Lost 0-2 | -171471 |
| 2modern | 600 | Astrom, Tobias (1429) | Lost 1-2 | -191452 |
| 3modern | 790 | Meurk, Freddie (1463) | Won 2-0 | +181470 |
| 4modern | 648 | Gillesberg, Jonas Snog (1470) | Lost 0-2 | -181452 |
| 5modern | 836 | Kjaer, Kristoffer (1443) | Lost 0-2 | -181434 |
| 6modern | 788 | Kramer, Mads Ronn (1449) | Lost 0-2 | -181416 |
| 7modern | 738 | Glimberg, Tommy (1410) | Lost 0-2 | -181398 |
| top | average opponent: 1458record: 1-6 | new rating: 1398 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 122 | Tozzo, Nicolas (1449) | Lost 0-2 | -191502 |
| 2sealed | 741 | Al-Rubei, Julien Phillip Christian (1568) | Lost 1-2 | -171485 |
| 3sealed | 865 | Rypinski, Sarah (1469) | Won 2-0 | +181503 |
| 4sealed | 737 | Steurer, Matthaus (1562) | Lost 0-2 | -171486 |
| 5sealed | 882 | Leone, Angelo (1456) | Won 2-0 | +181504 |
| 6sealed | 756 | Tuma, Jiri (1632) | Lost 0-2 | -161488 |
| top | average opponent: 1523record: 2-4 | new rating: 1488 | ||
| Grand Prix Prague 2016 (legacy) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 381 | Dom, Ronan (1500) | Lost 0-2 | -181486 |
| 2legacy | 524 | van der End, Sander (1601) | Won 2-0 | +201506 |
| 3legacy | 553 | Jaeger, Fabian (1500) | Won 2-1 | +181524 |
| 4legacy | 281 | Link, Michael (1433) | Lost 1-2 | -191505 |
| 5legacy | 373 | Manetzgruber, Gerald (1466) | Won 2-0 | +171522 |
| 6legacy | 308 | Bodeker Nielsen, Jens (1518) | Won 2-0 | +181540 |
| 7legacy | 214 | Mihulowicz, Maciej (1503) | Won 2-1 | +171557 |
| 8legacy | 156 | Trapani, Giulio (1548) | Lost 0-2 | -181539 |
| 9legacy | 254 | Kreutzer, Manuel (1557) | Lost 0-2 | -181521 |
| top | average opponent: 1514record: 5-4 | new rating: 1521 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 222 | Gromada, Piotr (1566) | Lost 0-2 | -171483 |
| 2standard | 469 | Perez-Minguez, Joaquin (1489) | Draw 1-1 | 01483 |
| 3standard | 621 | Kipling, Sebastian (1482) | Won 2-1 | +181501 |
| 4standard | 487 | Nolte, Dennis (1786) | Lost 1-2 | -131488 |
| 5standard | 577 | Ruhland, Michael (1407) | Won 2-1 | +161504 |
| top | average opponent: 1546record: 2-2-1 | new rating: 1504 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 317 | Klimke, Chris (1521) | Won 2-0 | +191491 |
| 2modern | 15 | Lockard, Philip (1479) | Lost 1-2 | -191472 |
| 3modern | 558 | Havlicek Jr., Drahomir (1492) | Won 2-1 | +191491 |
| 4modern | 292 | Merino Bustos, Marcelo (1462) | Won 2-0 | +171508 |
| 5modern | 276 | Hlobil, Lukas (1564) | Won 2-0 | +191527 |
| 6modern | 212 | Kryk, Steven (1511) | Lost 0-2 | -181509 |
| 7modern | 270 | Drobny, Marko (1535) | Lost 1-2 | -181491 |
| 8modern | 312 | Vornhusen, Gunnar (1588) | Won 2-0 | +201511 |
| 9modern | 310 | Paulmaier, Benjamin (1881) | Lost 0-2 | -111500 |
| top | average opponent: 1559record: 5-4 | new rating: 1500 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | De Marelle, Anthony (1518) | Lost 0-2 | -171449 |
| 2sealed | 220 | Hajek, Radim (1482) | Won 2-0 | +191468 |
| 3sealed | 212 | Schidlik, Balazs (1545) | Won 2-1 | +191487 |
| 4sealed | 193 | Locker, Felix (1517) | Won 2-1 | +191506 |
| 5sealed | 99 | Jastrza?bski, Jakub (1544) | Lost 1-2 | -181488 |
| 6sealed | 153 | Van Nieuwenhove, Jan (1558) | Lost 1-2 | -161472 |
| top | average opponent: 1527record: 3-3 | new rating: 1472 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 173 | Sprojcar, Jiri (1496) | Won 2-0 | +181518 |
| 2sealed | 192 | Melichar, Martin (1519) | Lost 0-2 | -181500 |
| 3sealed | 323 | Scheuchenstuhl, Martin (1630) | Lost 0-2 | -161484 |
| 4sealed | 371 | Bruha, Tomas (1482) | Lost 0-2 | -181466 |
| 5sealed | 342 | Matyska, Lukas (1463) | Won 2-1 | +181484 |
| 6sealed | 304 | Pavlicek, Martin (1484) | Lost 0-2 | -181466 |
| top | average opponent: 1512record: 2-4 | new rating: 1466 | ||