Rodrigo Chiossi,
Current rating: 1463
Record: 2-4
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Evandro Ricardo de Sou, (1500) | Won 2-0 | +181518 |
| 2standard | 96 | Garcia, Rafael [BRA] (1519) | Lost 0-2 | -181500 |
| 3standard | 217 | Alonso Prado, (1482) | Lost 1-2 | -181482 |
| 4standard | 232 | Oshiro, Alexandre Hiroki (1500) | Lost 1-2 | -181464 |
| 5standard | 273 | Abeche, Jean Paul (1413) | Lost 0-2 | -191445 |
| 6standard | 240 | ivens fernandes neto, (1446) | Won 0-0 | +181463 |
| average opponent: 1477record: 2-4 | new rating: 1463 | |||