Bone, Constantin
Current rating: 1496
Record: 4-4
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 297 | Greco, Gabriele (1500) | Lost 0-2 | -181482 |
| 2pioneer | 480 | Ostmann, Mark (1413) | Lost 0-2 | -191463 |
| 3pioneer | 747 | Merk, Pascal (1464) | Won 2-1 | +181481 |
| 4pioneer | 600 | Luis, Manuel (1321) | Lost 1-2 | -211460 |
| 5pioneer | 706 | Manhaval, Baptiste (1528) | Won 2-0 | +191479 |
| 6pioneer | 572 | Eggert, Nick (1435) | Won 2-1 | +171496 |
| 7pioneer | 394 | Pedrero, Yves (1433) | Won 2-1 | +171513 |
| 8pioneer | 278 | Bakker, Sidney (1534) | Lost 0-2 | -171496 |
| average opponent: 1453record: 4-4 | new rating: 1496 | |||