Sobania, Mark
Current rating: 1474
Record: 2-3
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 334 | Howse, David (1373) | Won 2-0 | +161516 |
| 2pioneer | 338 | De Quick, Sander (1465) | Lost 1-2 | -191497 |
| 3pioneer | 434 | Francavilla, Patrizio (1471) | Lost 0-2 | -191478 |
| 4pioneer | 611 | Leide, Andreas (1256) | Won 2-0 | +141492 |
| 5pioneer | 616 | Conti, Florent (1502) | Lost 0-2 | -181474 |
| average opponent: 1413record: 2-3 | new rating: 1474 | |||