Ventruba, Stepan
Current rating: 1520
Record: 3-3-2
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 734 | Arndt, Georg (1752) | Lost 1-2 | -141486 |
| 2sealed | 1366 | Winkler, Simon (1498) | Won 2-0 | +191505 |
| 3sealed | 928 | Hauser, Valentin (1741) | Won 2-1 | +221527 |
| 4sealed | 325 | Mahnke, Mattheo (1591) | Won 2-1 | +191546 |
| 5sealed | 309 | Pla, David (1756) | Lost 0-2 | -141532 |
| 6sealed | 479 | Lehner, Bernhard (1890) | Lost 1-2 | -121520 |
| 7sealed | 663 | Staniucha, Tymoteusz (1511) | Draw 1-1 | 01520 |
| 8sealed | 513 | Kreutz, Stefan (1512) | Draw 1-1 | 01520 |
| average opponent: 1656record: 3-3-2 | new rating: 1520 | |||