Oliveira, Guilherme 294
Current rating: 1452
Record: 5-8
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 38 | Araujo Gontijo, Allan (1420) | Won 2-0 | +171483 |
| 2modern | 250 | Martini, Lucas (1494) | Won 2-1 | +191502 |
| 3modern | 205 | Silva Rocha, Bruno (1682) | Lost 1-2 | -151487 |
| 4modern | 367 | Santos, Hamilton (1522) | Lost 1-2 | -181469 |
| 5modern | 483 | Pincelli Mussio, Alex (1503) | Lost 1-2 | -171452 |
| average opponent: 1524record: 2-3 | new rating: 1452 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 189 | Neto, Darci (1500) | Won 2-0 | +181518 |
| 2modern | 226 | Estevam, Celso Ricardo (1724) | Lost 1-2 | -141504 |
| 3modern | 484 | Machado Maia, Erico (1471) | Won 2-1 | +171521 |
| 4modern | 267 | Schuawb Silva, Yan Vinicius (1517) | Lost 0-2 | -181503 |
| 5modern | 302 | Gueiroz, Thiago (1498) | Lost 1-2 | -181485 |
| 6modern | 491 | Carvalho, Rodrigo (1471) | Won 2-0 | +181503 |
| 7modern | 337 | Martinez, Gabriel (1480) | Lost 0-2 | -191484 |
| 8modern | 326 | Najman, Fernando (1483) | Lost 0-2 | -181466 |
| average opponent: 1518record: 3-5 | new rating: 1466 | |||