Starek, Jan
Current rating: 1550
Record: 5-3
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 186 | Luhtala, Riia (1483) | Lost 0-2 | -181482 |
| 2sealed | 599 | Esteban Manrique, Alejandro (1482) | Won 2-0 | +181500 |
| 3sealed | 554 | Maciazek, Mateusz (1462) | Won 2-0 | +171517 |
| 4sealed | 374 | Lochert, Johannes (1821) | Won 2-0 | +231540 |
| 5sealed | 388 | Sobora, Maciej (1608) | Won 2-0 | +201560 |
| 6sealed | 203 | Grimmer, Jasper (1981) | Lost 1-2 | -111549 |
| 7sealed | 236 | Bangert, Jan (1704) | Lost 0-2 | -151534 |
| 8sealed | 380 | Van Hecke, Eddy (1434) | Won 2-0 | +161550 |
| average opponent: 1622record: 5-3 | new rating: 1550 | |||