Eduardo T Santos,
Current rating: 1498
Record: 3-3-1
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Alexandre, Pedro [BRA] (1500) | Won 2-0 | +181518 |
| 2standard | 51 | Rocha, Christian J (1500) | Won 2-1 | +181536 |
| 3standard | 108 | Galli Monteiro Alves, Victor (1518) | Won 2-0 | +171553 |
| 4standard | 83 | Curcio, Andre (1536) | Lost 0-2 | -181535 |
| 5standard | 79 | Alessandro Souza, (1536) | Draw 1-1 | 01535 |
| 6standard | 97 | Elizalde, Victor (1470) | Lost 0-0 | -191516 |
| 7standard | 143 | Thiago Domingos Aquino, (1519) | Lost 1-2 | -181498 |
| average opponent: 1511record: 3-3-1 | new rating: 1498 | |||