Rossi Barbosa, Miguel
Current rating: 1532
Record: 7-6-1
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 14 | Vale, Rafael (1555) | Won 2-1 | +191535 |
| 2modern | 225 | Labrin, David (1396) | Won 2-0 | +161551 |
| 3modern | 68 | Santini, Wendell (1654) | Won 2-1 | +191570 |
| 4modern | 433 | Fehr, Gabriel (1841) | Lost 1-2 | -131557 |
| 5modern | 78 | Martins Gomes, Leandro (1824) | Draw 1-1 | +51562 |
| 6modern | 147 | Medeiros Merjam, Guilherme (1932) | Lost 0-2 | -111551 |
| 7modern | 240 | Lourenco Barbosa, Felipe (1498) | Lost 0-2 | -191532 |
| average opponent: 1671record: 3-3-1 | new rating: 1532 | |||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 56 | Rodrigues, Alex (1500) | Won 2-1 | +181518 |
| 2standard | 310 | Fujarra Abou Hala, Ralph (1522) | Won 2-1 | +181536 |
| 3standard | 221 | Almeida, Alvaro (1482) | Lost 0-2 | -191517 |
| 4standard | 263 | Davila, Luciano (1486) | Won 2-0 | +181535 |
| 5standard | 192 | Zamboni De Rezende, Diego (1542) | Lost 1-2 | -181517 |
| 6standard | 276 | Silva Pereira, Lucas (1518) | Won 2-0 | +181535 |
| 7standard | 146 | Mangolin Filho, Davi (1520) | Lost 0-2 | -191516 |
| average opponent: 1510record: 4-3 | new rating: 1516 | |||