Pessoa Madeira, Samuel
Current rating: 1542
Record: 5-3
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 428 | Wiering De Resende Sousa, Guilherme (1500) | Won 2-0 | +181518 |
| 2modern | 102 | Campos, Joe (1594) | Won 2-0 | +191537 |
| 3modern | 121 | Rodriguez, Juan [CHL] (1491) | Won 2-0 | +181555 |
| 4modern | 38 | Graca, Thiago (1642) | Lost 0-2 | -171538 |
| 5modern | 155 | Leandro Boza, Heitor (1517) | Won 2-0 | +181556 |
| 6modern | 74 | Lima Cardoso, Filipe (1688) | Lost 1-2 | -161540 |
| 7modern | 145 | Castro Reis, Rudson (1579) | Won 2-1 | +191559 |
| 8modern | 71 | Tavares, Luiz Felipe (1607) | Lost 1-2 | -171542 |
| average opponent: 1577record: 5-3 | new rating: 1542 | |||