Ziemba, Bartosz
Current rating: 1455
Record: 2-5
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 293 | Durham, Michael (1822) | Lost 1-2 | -121488 |
| 2sealed | 538 | Wywiol, Rafal (1502) | Won 2-0 | +181506 |
| 3sealed | 348 | Syverstad, Lars Martin (1345) | Won 2-0 | +151521 |
| 4sealed | 240 | Riman, Vit (1531) | Lost 1-2 | -181503 |
| 5sealed | 333 | Sommerlade, Jan Philip (1889) | Lost 1-2 | -111492 |
| 6sealed | 297 | Kaczanowski, Krzysztof (1499) | Lost 0-2 | -181474 |
| 7sealed | 401 | Grancha Marin, Beatriz (1413) | Lost 1-2 | -191455 |
| average opponent: 1572record: 2-5 | new rating: 1455 | |||