Pustelnik, Sebastian
Current rating: 1488
Record: 5-6
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 483 | Piwko, Pawel (1610) | Lost 0-2 | -171525 |
| 2sealed | 579 | Malinowski, Wojciech (1519) | Lost 0-2 | -181507 |
| 3sealed | 483 | Doree, Pierre-Louis (1465) | Lost 1-2 | -191488 |
| average opponent: 1531record: 0-3 | new rating: 1488 | |||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 102 | Sorum, Tore Johan (1461) | Lost 0-2 | -191481 |
| 2sealed | 566 | Ross, Anton (1484) | Won 2-0 | +181499 |
| 3sealed | 623 | Otto, Gregor (1433) | Lost 0-2 | -191480 |
| 4sealed | 815 | Belogrivs, Imants (1591) | Lost 1-2 | -161464 |
| 5sealed | 730 | Petreski, Samoil (1679) | Won 2-0 | +221486 |
| 6sealed | 674 | Dovgan, Kirill (1536) | Won 2-1 | +191505 |
| 7sealed | 530 | Lazniak, Radek (1500) | Won 2-0 | +181523 |
| 8sealed | 319 | Schmitt, Florian (1565) | Won 2-1 | +191542 |
| average opponent: 1531record: 5-3 | new rating: 1542 | |||