Ricardo Carrara Marcon,
Current rating: 1464
Record: 2-4-1
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Vitor Feitosa, (1500) | Lost 0-2 | -181482 |
| 2standard | 72 | de Carvalho, Andre Luiz M (1482) | Won 2-0 | +181500 |
| 3standard | 72 | Joao P Sousa, (1500) | Lost 0-2 | -181482 |
| 4standard | 72 | Newton Terada Horimuti, (1482) | Won 2-1 | +181500 |
| 5standard | 72 | Thiago Domingos Aquino, (1501) | Draw 1-1 | 01500 |
| 6standard | 72 | Quijada Bahamondes, Alejandro (1501) | Lost 0-0 | -181482 |
| 7standard | 72 | Zanini, Caio (1482) | Lost 0-2 | -181464 |
| average opponent: 1492record: 2-4-1 | new rating: 1464 | |||