Arnaldo Justo,
Current rating: 1464
Record: 2-4
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 178 | caroline silva, (1500) | Lost 1-2 | -181482 |
| 2standard | 211 | Suetsugu, Mauricio (1483) | Won 2-1 | +181500 |
| 3standard | 221 | Padetti, Marcelo Mochida (1532) | Lost 0-2 | -171483 |
| 4standard | 286 | Marcos Antonio Lima, (1482) | Won 2-0 | +181501 |
| 5standard | 218 | Cruz, Anderson (1457) | Lost 1-2 | -191482 |
| 6standard | 227 | Moura Nakamura, Daniel (1465) | Lost 0-0 | -181464 |
| average opponent: 1487record: 2-4 | new rating: 1464 | |||