Borba, Sebastiao
Current rating: 1489
Record: 4-5
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 53 | Van Dyck, Jeroen (1485) | Won 2-0 | +181518 |
| 2standard | 140 | Cammilluzzi, Marco (1670) | Lost 1-2 | -161502 |
| 3standard | 142 | Erinin, Dimitar (1677) | Lost 0-2 | -141488 |
| 4standard | 360 | Bernaerts, Gilles (1482) | Won 2-1 | +181506 |
| 5standard | 227 | Bonroy, Sacha (1548) | Lost 0-2 | -181488 |
| 6standard | 269 | Lundgren, Erik (1487) | Lost 0-2 | -181470 |
| 7standard | 232 | Birth, Michael (1565) | Lost 1-2 | -161454 |
| 8standard | 195 | Kaminski, Andreas (1402) | Won 2-0 | +171471 |
| 9standard | 144 | Van Der Zouw, Frank (1461) | Won 2-1 | +181489 |
| average opponent: 1531record: 4-5 | new rating: 1489 | |||