Hrejsa, David
Current rating: 1376
Record: 8-16-2
| Grand Prix Prague 2014 (modern) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 25 | Zrelov, Maxim (1616) | Lost 0-2 | -161440 |
| 3modern | 453 | Oosterbaan, Fokke (1474) | Lost 0-2 | -171423 |
| 4modern | 568 | Varga, Krisztian (1527) | Lost 0-2 | -161407 |
| 5modern | 630 | Nacsa, Zsofia (1438) | Lost 0-2 | -171390 |
| 6modern | 585 | Guth, Christian (1447) | Won 2-0 | +191409 |
| 7modern | 522 | Bamberger, Mark (1472) | Lost 1-2 | -171392 |
| 8modern | 462 | Droch Sirvent, Xavier (1447) | Draw 1-1 | +11393 |
| 9modern | 409 | Heger, Vitezslav (1449) | Lost 1-2 | -171376 |
| top | average opponent: 1484record: 1-6-1 | new rating: 1376 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 66 | Minucci, Manuel (1469) | Won 2-0 | +181485 |
| 3standard | 19 | Glowalla, Jonas (1526) | Lost 1-2 | -171468 |
| 4standard | 454 | Csomos, Janos (1471) | Lost 0-2 | -181450 |
| 5standard | 418 | Szilvasi, Attila (1502) | Won 2-1 | +191469 |
| 6standard | 366 | Steurer, Matthaus (1581) | Won 2-0 | +201489 |
| 7standard | 185 | Horev, Ori (1527) | Lost 0-2 | -171472 |
| 8standard | 302 | Tseroulis, Kreon (1521) | Lost 1-2 | -171455 |
| 9standard | 296 | Lindner, Benjamin (1499) | Draw 1-1 | +11456 |
| top | average opponent: 1512record: 3-4-1 | new rating: 1456 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 31 | Kolz, Benjamin (1481) | Lost 0-2 | -181482 |
| 3sealed | 146 | Fatka, David (1495) | Won 2-1 | +181500 |
| 4sealed | 160 | Mesheriakov, Kirill (1499) | Lost 1-2 | -181482 |
| 5sealed | 200 | Wache, Paul (1663) | Lost 0-2 | -151467 |
| top | average opponent: 1535record: 1-3 | new rating: 1467 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 33 | Max, Wiesinger (1480) | Won 2-1 | +181518 |
| 2extended | 137 | Gorski, Michal (1506) | Lost 0-2 | -191499 |
| 3extended | 189 | Tochacek, Daniel (1489) | Lost 1-2 | -181481 |
| 4extended | 222 | Tersch, Kornelius (1482) | Won 2-1 | +181499 |
| 5extended | 201 | Zoubal, Frantisek (1540) | Won 2-0 | +191518 |
| 6extended | 138 | Leitzinger, Robert (1532) | Lost 1-2 | -181500 |
| top | average opponent: 1505record: 3-3 | new rating: 1500 | ||