Lewandowski, Marcin
Current rating: 1534
Record: 4-3
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 126 | Simeoni, Lorenzo (1500) | Won 2-0 | +181518 |
| 2pioneer | 197 | Breuers, Alex (1646) | Won 2-1 | +201538 |
| 3pioneer | 57 | Pons, Victor (1588) | Won 2-1 | +191557 |
| 4pioneer | 146 | Krieger, Philipp (1794) | Lost 1-2 | -141543 |
| 5pioneer | 125 | Cherfan, Raphael (1442) | Won 2-0 | +171560 |
| 6pioneer | 79 | Di Napoli, Jacopo (1708) | Lost 1-2 | -161544 |
| 7pioneer | 165 | Lenz, Manuel (1973) | Lost 0-2 | -101534 |
| average opponent: 1664record: 4-3 | new rating: 1534 | |||