Ferreirinha, Guto
Current rating: 1450
Record: 4-7
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 117 | Souza Ferreira, Renan (1500) | Lost 0-2 | -171428 |
| 2modern | 572 | Hiray, Thomas Hiroki (1443) | Won 2-0 | +191447 |
| 3modern | 313 | De Souza Junior, Francisco Carlos (1520) | Won 2-1 | +191466 |
| 4modern | 346 | Leonel Motta, Rafael (1469) | Won 2-0 | +181484 |
| 5modern | 127 | Nunes, Lucas (1521) | Lost 1-2 | -171467 |
| 6modern | 203 | M Pereira, Felipe (1517) | Lost 0-2 | -171450 |
| average opponent: 1495record: 3-3 | new rating: 1450 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 142 | Bianchi, Bruno (1517) | Lost 1-2 | -181482 |
| 2modern | 534 | Do Valle Santana Xavier, Carlos Eduardo (1462) | Won 2-0 | +181500 |
| 3modern | 466 | Gueiroz, Thiago (1499) | Lost 0-2 | -181482 |
| 4modern | 582 | Malvezzi, Pedro Henrique (1448) | Lost 1-2 | -191463 |
| 5modern | 568 | Mary, Fabricio (1462) | Lost 0-2 | -181445 |
| average opponent: 1478record: 1-4 | new rating: 1445 | |||