de Paula Santos, Billy Anderson
Current rating: 1537
Record: 5-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 134 | Roson, Nahuel (1535) | Won 2-0 | +191519 |
| 2standard | 164 | Franco Junior, Cassiano (1555) | Won 2-1 | +181537 |
| 3standard | 39 | Cavalcanti, Pedro (1516) | Lost 0-2 | -181519 |
| 4standard | 192 | Luiz Fernando Martins, (1518) | Won 2-1 | +181537 |
| 5standard | 64 | Alexandre Rodrigues, (1536) | Won 2-0 | +181555 |
| 6standard | 63 | Ramirez, Lucas (1564) | Lost 0-0 | -181537 |
| 7standard | 110 | Oliveira, Everthon (1551) | Won 2-0 | +181555 |
| 8standard | 94 | Pereira Junior, Pedro (1565) | Lost 0-2 | -181537 |
| average opponent: 1543record: 5-3 | new rating: 1537 | |||