marcos eugenio,
Current rating: 1466
Record: 1-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 85 | Renato 2 Aparecido Lei, (1518) | Won 2-0 | +181518 |
| 3standard | 33 | Vinicius Martins, (1536) | Lost 1-2 | -171501 |
| 4standard | 143 | Fonseca, Guilherme (1569) | Lost 0-2 | -171484 |
| 5standard | 174 | Lopes de Oliveira, Anderson (1500) | Lost 0-2 | -181466 |
| average opponent: 1531record: 1-3 | new rating: 1466 | |||