Adonis P Rossato,
Current rating: 1518
Record: 4-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 145 | Vieira, Victor (1474) | Won 2-1 | +181518 |
| 3standard | 2 | Ramirez, Lucas (1545) | Lost 1-2 | -181500 |
| 4standard | 146 | Raphael Noritake, (1501) | Won 2-1 | +181518 |
| 5standard | 63 | Quadros, Rafael (1519) | Won 2-0 | +181536 |
| 6standard | 28 | Cavalcante, Felipe O (1541) | Won 0-0 | +181554 |
| 7standard | 50 | Sella, Eduardo Liboni (1568) | Lost 1-2 | -181536 |
| 8standard | 65 | Oliveira Rodrigues, William (1524) | Lost 1-2 | -181518 |
| average opponent: 1525record: 4-3 | new rating: 1518 | |||