mauro de azevedo ribei,
Current rating: 1464
Record: 1-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 157 | Argimon, Ivan (1483) | Lost 0-2 | -181482 |
| 2standard | 213 | Adilson Kuratomi, (1482) | Lost 0-2 | -181464 |
| 3standard | 243 | Bruno Roberto Ribeiro, (1464) | Won 2-1 | +181482 |
| 4standard | 228 | Giancarlo Lemann, (1482) | Lost 1-2 | -181464 |
| average opponent: 1478record: 1-3 | new rating: 1464 | |||