Ilario Medeiros, Washington
Current rating: 1538
Record: 5-3
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 122 | Cosmo Santos, Ricardo (1427) | Won 2-1 | +171517 |
| 2standard | 57 | Guilherme Freitas, (1518) | Lost 0-2 | -181499 |
| 3standard | 233 | Marcos Lourenco, Fernando (1500) | Won 2-0 | +181517 |
| 4standard | 126 | Vieira, Bruno (1517) | Won 2-1 | +181535 |
| 5standard | 78 | Nascimento, Andre (1540) | Lost 0-2 | -181517 |
| 6standard | 128 | Batista de Melo, Mateus (1519) | Won 0-0 | +181535 |
| 7standard | 78 | ANTONIO CARLOS Lourenco, (1535) | Won 2-1 | +181553 |
| 8standard | 53 | Braga, Francisco (1713) | Lost 1-2 | -151538 |
| average opponent: 1534record: 5-3 | new rating: 1538 | |||