Tetteroo, Bas
Current rating: 1450
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 251 | Zami, Jean Noel (1419) | Won 2-1 | +181451 |
| 2pioneer | 176 | Andersen, Jeppe (1549) | Won 2-1 | +201471 |
| 3pioneer | 336 | Knipping, Kai (1785) | Won 2-1 | +231494 |
| 4pioneer | 178 | Spanos, Alexandros (1884) | Lost 1-2 | -111483 |
| 5pioneer | 377 | Eat, Yann (1612) | Lost 1-2 | -161467 |
| 6pioneer | 454 | Dams, Sam (1537) | Lost 0-2 | -171450 |
| top | average opponent: 1631record: 3-3 | new rating: 1450 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 216 | Abramov, Andrey (1501) | Won 2-0 | +191464 |
| 4modern | 58 | Chapelle, Leo (1618) | Lost 0-2 | -151449 |
| 5modern | 357 | Bauer, Steffen (1506) | Lost 1-2 | -171432 |
| 6modern | 511 | Kwasek, Mikolaj (1488) | Won 2-0 | +191451 |
| 7modern | 480 | Branis, Antonin (1464) | Lost 0-2 | -181433 |
| top | average opponent: 1515record: 2-3 | new rating: 1433 | ||
| Grand Prix Lyon 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 91 | Savignac, Pierre (1401) | Lost 0-2 | -201480 |
| 2modern | 741 | Couget, Arnaud (1464) | Won 2-1 | +181498 |
| 3modern | 546 | Woll, Karl (1607) | Lost 0-2 | -161482 |
| 4modern | 792 | Cacciato, Nicolas (1426) | Lost 0-2 | -191463 |
| 5modern | 848 | Lecroq, William (1466) | Lost 1-2 | -181445 |
| top | average opponent: 1473record: 1-4 | new rating: 1445 | ||