Roberto, Roberto Alvar
Current rating: 1471
Record: 2-4
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 16 | Silva, Jose Francisco (1604) | Lost 1-2 | -161484 |
| 5standard | 77 | Capelli, Marcus (1540) | Won 2-0 | +191503 |
| 6standard | 31 | Goes, Marcelo (1587) | Lost 1-2 | -171486 |
| 7standard | 110 | Valagao, Thiago (1536) | Lost 0-2 | -171469 |
| 8standard | 130 | Rodrigues de Souza, Vi (1520) | Lost 1-2 | -171452 |
| 9standard | 129 | Paulo I., (1507) | Won 2-0 | +191471 |
| average opponent: 1549record: 2-4 | new rating: 1471 | |||