Mauro Lages,
Current rating: 1520
Record: 5-4
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 130 | Camargo, Murilo (1500) | Lost 0-2 | -181482 |
| 2standard | 185 | Thiago Insoliti Girard, (1482) | Lost 0-2 | -181464 |
| 3standard | 259 | Oshiro, Alexandre Hiroki (1482) | Lost 0-2 | -181446 |
| 4standard | 294 | Veronaldo P P. de Lima, (1446) | Won 2-0 | +181464 |
| 5standard | 253 | Italo Cristiano Nievin, (1465) | Won 2-1 | +181482 |
| 6standard | 222 | Istivan Gyula, (1481) | Won 0-0 | +181500 |
| 7standard | 153 | Cingolani, Julian (1580) | Won 2-0 | +201520 |
| 8standard | 132 | Conduta, Marcelo (1521) | Won 2-1 | +181538 |
| 9standard | 82 | Paredes, Marcos (1537) | Lost 1-2 | -181520 |
| average opponent: 1499record: 5-4 | new rating: 1520 | |||