kaio cordero,
Current rating: 1518
Record: 4-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 80 | Fratantonio, Paulo Cesar (1500) | Lost 0-2 | -181482 |
| 2standard | 240 | De Biasi, Julio (1482) | Lost 1-2 | -181464 |
| 3standard | 278 | Febras, Dylan (1464) | Won 2-0 | +181482 |
| 4standard | 247 | Tadeu, Arlen (1482) | Won 2-0 | +181500 |
| 5standard | 163 | Marcatti, Andre (1482) | Won 2-0 | +181518 |
| 6standard | 110 | Villa Lobos, Leonardo (1537) | Won 0-0 | +181536 |
| 7standard | 93 | Quintas, Mario (1534) | Lost 0-2 | -181518 |
| average opponent: 1497record: 4-3 | new rating: 1518 | |||