Marcos Teixeira,
Current rating: 1481
Record: 2-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 102 | Denis Eichstaedt, (1500) | Won 2-1 | +181518 |
| 2standard | 45 | Zavaleta, Sebastian (1500) | Lost 1-2 | -181500 |
| 3standard | 206 | Carvalho, Pedro (1500) | Lost 1-2 | -181482 |
| 4standard | 276 | Yamaguchi, Thiago Rogerio (1481) | Won 2-0 | +181500 |
| 5standard | 194 | Kayaki, Luciano (1438) | Lost 0-2 | -191481 |
| average opponent: 1484record: 2-3 | new rating: 1481 | |||