Pereira, Jefferson
Current rating: 1465
Record: 2-4
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 471 | Conrado Costa, Andre (1500) | Lost 0-2 | -181482 |
| 2modern | 449 | Pinheiro, Tiago Thomaz (1518) | Lost 0-2 | -171465 |
| 3modern | 634 | Sampaio De Almeida, Ruan (1464) | Won 2-0 | +181483 |
| 4modern | 628 | Martins Hernandes, Felipe (1483) | Won 2-0 | +181501 |
| 5modern | 303 | Lira, Carlos (1500) | Lost 0-2 | -181483 |
| 6modern | 421 | Brigante Junior, Ulisses (1485) | Lost 1-2 | -181465 |
| average opponent: 1492record: 2-4 | new rating: 1465 | |||