Cech, Jakub
Current rating: 1438
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 261 | Czicze, Martin (1477) | Lost 0-2 | -181452 |
| 2standard | 414 | Bluher, Johannes (1533) | Lost 1-2 | -161436 |
| 3standard | 628 | Lassus, Robin (1468) | Won 2-0 | +181454 |
| 4standard | 545 | Kapera, Krzysztof (1527) | Lost 0-2 | -161438 |
| top | average opponent: 1501record: 1-3 | new rating: 1438 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 315 | Llimos Muntal, Pere (1667) | Lost 0-2 | -161545 |
| 3sealed | 628 | Djogouros, Michalis (1505) | Lost 0-2 | -191526 |
| 4sealed | 634 | Roach, Adam (1463) | Lost 0-2 | -191507 |
| 5sealed | 822 | Dommanschet, Yann (1461) | Draw 1-1 | -11506 |
| 6sealed | 708 | Rico Bleda, Alejandro (1654) | Lost 1-2 | -151491 |
| 7sealed | 622 | Alford, Simon J (1428) | Won 1-0 | +161507 |
| 8sealed | 504 | Szollosi, Bence (1471) | Lost 1-2 | -181489 |
| 9sealed | 417 | Colominas, Sergi (1460) | Lost 0-2 | -191470 |
| top | average opponent: 1514record: 1-6-1 | new rating: 1470 | ||
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Beja, Ricardo (1500) | Won 2-1 | +181518 |
| 2sealed | 146 | Clerc, Benjamin (1592) | Won 2-1 | +191537 |
| 3sealed | 61 | Carvalho, Tiago (1502) | Lost 0-2 | -181519 |
| 4sealed | 138 | Rincon Astruc, Carlos (1517) | Won 2-1 | +181537 |
| 5sealed | 99 | Skrede Reigstad, Simen (1457) | Won 2-0 | +161553 |
| 6sealed | 57 | Backeman, Peter (1556) | Won 2-1 | +181571 |
| 7sealed | 28 | Tornros, Mats (1722) | Won 2-0 | +211592 |
| 8sealed | 29 | Hemmingsen, Frederik (1572) | Lost 1-2 | -181574 |
| 9sealed | 24 | Dominguez, Javier (1854) | Lost 0-2 | -131561 |
| top | average opponent: 1586record: 6-3 | new rating: 1561 | ||