Tadeu, Arlen
Current rating: 1463
Record: 3-5
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 71 | Daniel M Santos, (1500) | Lost 0-2 | -181482 |
| 2standard | 250 | Kolesnikovas Castro, Diego (1482) | Won 2-0 | +181500 |
| 3standard | 180 | Queiroz de Figueiredo, Jadiel (1500) | Lost 0-2 | -181482 |
| 4standard | 247 | kaio cordero, (1482) | Lost 0-2 | -181464 |
| 5standard | 254 | Coutinho, Thiago (1464) | Won 2-1 | +181482 |
| 6standard | 226 | De Albuquerque Silva, Rodrigo (1483) | Won 0-0 | +181500 |
| 7standard | 155 | Menezes, Higor (1500) | Lost 0-2 | -181482 |
| 8standard | 147 | Murari Negov, Mariana (1449) | Lost 1-2 | -191463 |
| average opponent: 1482record: 3-5 | new rating: 1463 | |||