Seiwert, Jan
Current rating: 1481
Record: 2-3
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 161 | Brincat, Adam (1460) | Lost 0-2 | -191481 |
| 2pioneer | 546 | Brennan, Kyle (1494) | Won 2-1 | +191500 |
| 3pioneer | 603 | Scavo, Albano (1495) | Lost 1-2 | -191481 |
| 4pioneer | 746 | Juhlin, Karl (1460) | Won 2-1 | +181499 |
| 5pioneer | 632 | Robaldo, Piermario (1499) | Lost 1-2 | -181481 |
| average opponent: 1481record: 2-3 | new rating: 1481 | |||