Vinicius Martins,
Current rating: 1518
Record: 4-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 108 | Augusto Da Silva, Cesar (1500) | Won 2-0 | +181518 |
| 2standard | 25 | MACRINA, VICENTE (1500) | Won 2-1 | +181536 |
| 3standard | 33 | marcos eugenio, (1518) | Won 2-1 | +171553 |
| 4standard | 20 | Veliz, Juan (1621) | Lost 0-2 | -161537 |
| 5standard | 89 | Sakate Pais, Luis Antonio (1519) | Lost 1-2 | -191518 |
| 6standard | 133 | Fabiana Pionol, (1518) | Won 0-0 | +181536 |
| 7standard | 111 | Fernando Silva, Victor (1520) | Lost 1-2 | -181518 |
| average opponent: 1528record: 4-3 | new rating: 1518 | |||