Luis Pedrol Casal,
Current rating: 1519
Record: 4-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 32 | marcelo blanes, (1500) | Won 2-1 | +181518 |
| 2standard | 97 | Latorraca, Walter Bruno (1603) | Won 2-0 | +201538 |
| 3standard | 57 | Alves, Fernando A (1521) | Lost 0-2 | -191519 |
| 4standard | 200 | Costa de Carvalho, Fernando (1502) | Won 2-1 | +181537 |
| 5standard | 75 | Soares, Carlos Henrique (1536) | Won 2-0 | +181555 |
| 6standard | 43 | Melamed, Jonathan (1576) | Lost 0-0 | -181537 |
| 7standard | 83 | de Melo Miranda, Pedro Henrique (1515) | Lost 0-2 | -181519 |
| average opponent: 1536record: 4-3 | new rating: 1519 | |||