Peixoto Souza, Joao
Current rating: 1562
Record: 8-5
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 230 | Bottallo, Joao Pedro (1500) | Lost 0-2 | -181482 |
| 2modern | 384 | Basdao, Leandro (1434) | Won 2-0 | +171499 |
| 3modern | 545 | Lagos, Cristian (1592) | Won 2-1 | +201519 |
| 4modern | 349 | Betmann, Vitor (1503) | Won 2-1 | +181537 |
| 5modern | 122 | Pontes, Israel (1557) | Won 2-1 | +181555 |
| 6modern | 154 | Peliser, Diego (1597) | Lost 0-2 | -171538 |
| 7modern | 232 | Martins, Gustavo (1488) | Won 2-0 | +171555 |
| 8modern | 141 | De Camargo, Jose (1498) | Won 2-1 | +171572 |
| 9modern | 47 | Rosenmann, Thiago (1783) | Lost 0-2 | -141558 |
| 10modern | 83 | Nascimento, Adailton (1495) | Lost 1-2 | -201538 |
| 11modern | 100 | Garreton, Mauricio (1430) | Won 2-1 | +161554 |
| 12modern | 88 | Souza, Joao Claudio (1644) | Won 2-0 | +201574 |
| 13modern | 74 | Casatti, Vagner William (1889) | Lost 1-2 | -121562 |
| average opponent: 1570record: 8-5 | new rating: 1562 | |||