Groenewold, Roelf
Current rating: 1463
Record: 2-4
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 193 | Brand, Anjo (1594) | Lost 0-2 | -161484 |
| 2pioneer | 594 | Sellers, Dennis (1336) | Lost 0-2 | -211463 |
| 3pioneer | 750 | Foureau, Romain (1370) | Won 2-0 | +161479 |
| 4pioneer | 703 | Schepp, Jonathan (1486) | Lost 0-2 | -181461 |
| 5pioneer | 714 | Hamann, Nicolas (1522) | Lost 0-2 | -161445 |
| 6pioneer | 624 | Tiete, Julien (1450) | Won 2-1 | +181463 |
| average opponent: 1460record: 2-4 | new rating: 1463 | |||