Pietrowski, Sascha
Current rating: 1531
Record: 6-5
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 683 | Hofmann, Maximilian (1510) | Won 2-0 | +181504 |
| 2sealed | 545 | Netrefa, Jiri (1641) | Won 2-1 | +211525 |
| 3sealed | 560 | Nouchi, Jonathan (1588) | Won 2-0 | +191544 |
| 4sealed | 587 | Hugony, Francesco (1791) | Lost 0-2 | -141530 |
| 5sealed | 612 | Stilling, Per (1496) | Won 2-1 | +181548 |
| 6sealed | 576 | Figura, Christian (1628) | Lost 0-2 | -171531 |
| average opponent: 1609record: 4-2 | new rating: 1531 | |||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Rosada, Adrian (1547) | Won 2-0 | +191519 |
| 2sealed | 105 | Gagg, Norman (1627) | Won 2-1 | +201539 |
| 3sealed | 22 | Schuermans, Stijn (1505) | Lost 0-2 | -191520 |
| 4sealed | 97 | Seiter, Florian (1616) | Lost 0-2 | -161504 |
| 5sealed | 166 | Rechel-tittis, Christopher (1501) | Lost 1-2 | -181486 |
| average opponent: 1559record: 2-3 | new rating: 1486 | |||