Koudelka, Tomas
Current rating: 1564
Record: 19-15-3
| Grand Prix Prague 2014 (modern) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 244 | Vaclavik Jr, Petr (1468) | Won 2-0 | +171565 |
| 2modern | 127 | Hagedorn, David (1546) | Lost 0-2 | -191546 |
| 3modern | 457 | Lukas, Vaclav (1415) | Lost 0-2 | -201526 |
| 4modern | 537 | Emmenegger, Damien (1494) | Won 2-0 | +171543 |
| 5modern | 466 | Eichenseer, Lukas (1500) | Won 2-1 | +181561 |
| 6modern | 279 | Naghed, Siawosch Sam (1485) | Lost 1-2 | -201541 |
| 7modern | 355 | Boisbourdin, Sylvain (1522) | Lost 1-2 | -181523 |
| 8modern | 439 | Baudys, Ondrej (1900) | Won 2-1 | +251548 |
| 9modern | 343 | Zerzawy, Oliver (1473) | Won 2-0 | +161564 |
| top | average opponent: 1534record: 5-4 | new rating: 1564 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 622 | Trajhan, Matous (1568) | Draw 1-1 | 01560 |
| 2legacy | 825 | Solna, Remy (1380) | Lost 0-2 | -211539 |
| 3legacy | 926 | Mendez, Noelia (1242) | Won 2-0 | +121551 |
| 4legacy | 906 | Nogueira, Joao (1513) | Lost 0-2 | -181533 |
| 5legacy | 961 | Stewart, Adam (1483) | Lost 0-2 | -191514 |
| 6legacy | 951 | Pents, Boris (1482) | Won 2-0 | +171531 |
| 7legacy | 884 | Schafer, Benjamin (1482) | Won 2-0 | +171548 |
| top | average opponent: 1450record: 3-3-1 | new rating: 1548 | ||
| Grand Prix Madrid 2010 (legacy) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 250 | Neri, Sauro (1500) | Draw 1-1 | -11570 |
| 2legacy | 278 | De La Pena Fernandez, Jesus (1500) | Won 2-1 | +171587 |
| 3legacy | 156 | Montesinos Herrera, Jose I (1486) | Lost 1-2 | -201567 |
| 4legacy | 324 | Huls, Jeffrey (1491) | Lost 0-2 | -201547 |
| 5legacy | 413 | Fast, Alexandr (1479) | Won 2-0 | +171564 |
| 6legacy | 333 | Granier, Romain (1503) | Won 2-1 | +171581 |
| 7legacy | 239 | Kremenchugski, Vladimir (1518) | Lost 0-2 | -191562 |
| 8legacy | 230 | Hernandez Alonso, Isaac (1500) | Lost 0-2 | -191543 |
| 9legacy | 192 | Seijas, Luis Miguel (1481) | Won 2-0 | +171560 |
| top | average opponent: 1495record: 4-4-1 | new rating: 1560 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 80 | Gaviglio, Luca (1519) | Won 2-0 | +171584 |
| 5sealed | 29 | Vavra, Vit (1546) | Won 2-0 | +171601 |
| 6sealed | 5 | Bucher, Manuel (1875) | Lost 1-2 | -131588 |
| 7sealed | 22 | Jimenez Palmero, Alfredo (1602) | Draw 1-1 | +11589 |
| 8sealed | 39 | Gardeux, Matthieu (1629) | Lost 1-2 | -181571 |
| top | average opponent: 1634record: 2-2-1 | new rating: 1571 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 179 | Michel, Guillaume (1553) | Won 2-1 | +191519 |
| 2extended | 11 | Grafensteiner, Tobias (1644) | Lost 0-2 | -161503 |
| 3extended | 197 | Helbig, Martin (1565) | Won 2-1 | +191522 |
| 4extended | 158 | Batz, Andre (1517) | Won 2-0 | +181540 |
| 5extended | 58 | Nesi, Eugenio (1674) | Won 2-0 | +211561 |
| 6extended | 69 | Calafell, Joel (1911) | Lost 0-2 | -121549 |
| 7extended | 114 | Kuril, Miroslav (1555) | Won 2-0 | +181567 |
| top | average opponent: 1631record: 5-2 | new rating: 1567 | ||