Jonatas Quintino,
Current rating: 1482
Record: 3-4
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | Mario Manzieri, (1500) | Lost 0-2 | -181482 |
| 2standard | 227 | De Sousa Silva, Rodrigo (1482) | Lost 0-2 | -181464 |
| 3standard | 275 | De Souza Santos, Hugo Eduardo (1464) | Lost 0-2 | -181446 |
| 4standard | 303 | Febras, Dylan (1446) | Won 2-0 | +181464 |
| 5standard | 280 | Lucas Pereira, (1464) | Lost 0-2 | -181446 |
| 6standard | 244 | Hashizuma, Gustavo Kazuo (1445) | Won 0-0 | +181464 |
| 7standard | 188 | Elton dos Santos Souza, (1464) | Won 2-0 | +181482 |
| average opponent: 1466record: 3-4 | new rating: 1482 | |||