Chrobak, Bartlomiej
Current rating: 1574
| Grand Prix Prague 2018 (modern) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 375 | Stier, Matti (1497) | Lost 0-2 | -191516 |
| 2modern | 519 | Cambor, Rastislav (1561) | Won 2-0 | +191535 |
| 3modern | 694 | Firkowicz, Szymon (1531) | Won 2-0 | +181553 |
| 4modern | 299 | Sandmann, Christoph (1519) | Won 2-1 | +171570 |
| 5modern | 322 | Grosch, Mirko (1628) | Won 2-1 | +191589 |
| 6modern | 162 | Petersdorf, Benjamin (1727) | Lost 1-2 | -151574 |
| 7modern | 388 | Danesi, Alessandro (1594) | Lost 0-2 | -181556 |
| 8modern | 421 | Sierra McGettigan, Kian (1535) | Won 2-1 | +181574 |
| top | average opponent: 1574record: 5-3 | new rating: 1574 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 135 | Hohler, Arno (1500) | Lost 0-2 | -191536 |
| 2modern | 435 | Kovarik, Ondrej (1484) | Won 2-1 | +171553 |
| 3modern | 353 | Carl, Christian (1579) | Won 2-0 | +191572 |
| 4modern | 406 | Vantuch, Matej (1911) | Lost 1-2 | -121560 |
| 5modern | 540 | Eichenseer, Tobias (1505) | Won 2-0 | +171577 |
| 6modern | 427 | Drakulic, Marco (1436) | Lost 0-2 | -211556 |
| 7modern | 457 | Stuchly, Petr (1500) | Lost 0-2 | -191537 |
| 8modern | 384 | Menzel, Peter (1436) | Won 2-0 | +161553 |
| 9modern | 293 | Wilmotte, Sebastien (1539) | Lost 0-2 | -181535 |
| top | average opponent: 1543record: 4-5 | new rating: 1535 | ||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 14 | Pacholek, Marek (1500) | Lost 1-2 | -181482 |
| 2standard | 230 | Philippou, Alexander (1514) | Won 2-0 | +191501 |
| 3standard | 272 | Piatkiewicz, Pawel (1500) | Won 2-0 | +181519 |
| 4standard | 330 | Trifan, Raoul (1427) | Lost 0-2 | -201499 |
| 5standard | 360 | Hakansson, Jesper (1484) | Won 2-1 | +181517 |
| 6standard | 170 | Krysinski, Milos (1520) | Won 2-1 | +181535 |
| 7standard | 237 | Racz, Csaba (1670) | Won 2-0 | +201555 |
| 8standard | 173 | Moorman, Rick (1575) | Lost 0-2 | -171538 |
| 9standard | 191 | Kusin, Konstantin (1512) | Won 2-0 | +171555 |
| top | average opponent: 1523record: 6-3 | new rating: 1555 | ||