Pietrock, Clemens
Current rating: 1580
Record: 9-6
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 654 | Schneider, Jan (1546) | Lost 1-2 | -171483 |
| 2sealed | 1361 | Magee, Christopher (1462) | Won 2-0 | +171500 |
| 3sealed | 619 | Do Tien, Hung (1500) | Won 2-0 | +181518 |
| 4sealed | 365 | Ehrhardt, Andreas (1688) | Won 2-1 | +221540 |
| 5sealed | 182 | Sala, Andrea (1454) | Won 2-0 | +161556 |
| 6sealed | 115 | Rodrigues, Thiago (1970) | Won 2-0 | +251581 |
| 7sealed | 95 | Hesselman, Vidar (1668) | Lost 0-2 | -161565 |
| 8sealed | 137 | Kawonczyk, Maciej (1715) | Won 2-1 | +201585 |
| 9sealed | 646 | Cordeschi, Nicola (1564) | Lost 1-2 | -181567 |
| 10draft | 605 | Li, Terrence (1619) | Lost 0-2 | -171550 |
| 11draft | 708 | Bourdinaud, Guillaume (1824) | Won 2-0 | +231573 |
| 12draft | 731 | Bauer, Jannis (1549) | Won 2-1 | +171590 |
| 13draft | 592 | Lebon, Tristan (1816) | Won 2-1 | +221612 |
| 14draft | 634 | Lutter, Maximilian (1653) | Lost 0-2 | -171595 |
| 15draft | 657 | Lindeman, Lennart (1738) | Lost 0-2 | -151580 |
| average opponent: 1651record: 9-6 | new rating: 1580 | |||