Dana, Roman
Current rating: 1461
Record: 15-19
| Grand Prix Prague 2018 (modern) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 349 | Draeger, Christian (1449) | Lost 0-2 | -181439 |
| 2modern | 720 | Wilson, Matt (1515) | Won 2-1 | +191458 |
| 3modern | 554 | Navickas, Stanislovas (1384) | Won 2-1 | +171475 |
| 4modern | 401 | Ladachowski, Kamil (1540) | Won 2-1 | +191494 |
| 5modern | 189 | Kaiser, Fabio (1524) | Lost 0-2 | -171477 |
| 6modern | 400 | Krivanek, Jan (1523) | Lost 0-2 | -171460 |
| 7modern | 608 | Schwack, Fabian (1499) | Lost 1-2 | -181442 |
| 8modern | 525 | Kunkel, Ronny (1498) | Won 2-1 | +191461 |
| top | average opponent: 1491record: 4-4 | new rating: 1461 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 597 | Eranti, Veikko (1500) | Won 2-1 | +191485 |
| 2sealed | 359 | Stojkovic, Boris (1517) | Won 2-1 | +191504 |
| 3sealed | 400 | Ladachowski, Kamil (1368) | Lost 0-2 | -211483 |
| 4sealed | 491 | Santos, Bernardo (1844) | Won 2-0 | +241507 |
| 5sealed | 162 | Neutelings, Matthijs (1539) | Lost 0-2 | -171490 |
| 6sealed | 441 | Bonanno, Massimiliano (1573) | Lost 1-2 | -161474 |
| 7sealed | 620 | Spaziani, Virgilio (1568) | Lost 0-2 | -171457 |
| top | average opponent: 1558record: 3-4 | new rating: 1457 | ||
| Grand Prix Prague 2016 (legacy) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 32 | Weber, Michael (1533) | Lost 1-2 | -181506 |
| 2legacy | 374 | Vana, Miroslav (1482) | Lost 1-2 | -181488 |
| 3legacy | 711 | De Chausey, Stanislas (1409) | Lost 1-2 | -201468 |
| 4legacy | 691 | Domeij, Johan (1379) | Won 2-1 | +171485 |
| 5legacy | 585 | Blosel, Stefan (1464) | Lost 1-2 | -191466 |
| top | average opponent: 1454record: 1-4 | new rating: 1466 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 96 | Krutil, Daniel (1801) | Lost 0-2 | -121440 |
| 2modern | 414 | Opicka, Jan (1483) | Won 2-0 | +191459 |
| 3modern | 536 | Martino, Valerio (1716) | Won 2-0 | +221481 |
| 4modern | 254 | Glisic, Bojan (1640) | Lost 0-2 | -151466 |
| 5modern | 491 | Illek, Martin (1513) | Won 2-1 | +191485 |
| 6modern | 239 | Hilbert, Christian (1478) | Won 2-0 | +181503 |
| 7modern | 256 | Re, Alberto (1450) | Won 2-0 | +171520 |
| 8modern | 189 | Weidemann, Paul (1735) | Lost 0-2 | -141506 |
| 9modern | 235 | Szmyd, Jedrek (1534) | Won 2-1 | +181524 |
| top | average opponent: 1594record: 6-3 | new rating: 1524 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 32 | Pasgaard, Alexander (1553) | Lost 1-2 | -171483 |
| 5sealed | 222 | Gonzalez Hidalgo, Francisco Jose (1484) | Lost 1-2 | -181465 |
| 6sealed | 402 | Calzetta, Riccardo (1596) | Won 2-1 | +201485 |
| 7sealed | 353 | Perrot, Remi (1537) | Lost 1-2 | -171468 |
| 8sealed | 409 | Meier, Adrian (1540) | Lost 1-2 | -161452 |
| top | average opponent: 1542record: 1-4 | new rating: 1452 | ||