Grunert, Jos
Current rating: 1446
Record: 0-3
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 324 | Manceras, Xabier (1459) | Lost 0-2 | -191481 |
| 2pioneer | 545 | Van Der Made, Allard (1494) | Lost 0-2 | -181463 |
| 3pioneer | 760 | Frentzen, Patrick (1516) | Lost 1-2 | -171446 |
| average opponent: 1489record: 0-3 | new rating: 1446 | |||