Diego Costa De Palmar,
Current rating: 1446
Record: 0-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 91 | Pagliarini, Marcus V (1500) | Lost 0-2 | -181482 |
| 2standard | 214 | Luiz Henrique Martine, (1482) | Lost 1-2 | -181464 |
| 3standard | 250 | Matheus Lucas, (1464) | Lost 1-2 | -181446 |
| average opponent: 1482record: 0-3 | new rating: 1446 | |||