de Freitas Ferreira, C
Current rating: 1537
Record: 5-3
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 123 | Cosme Da Silva, Joao Daniel (1505) | Lost 1-2 | -181482 |
| 3standard | 107 | Porto, Darlam (1470) | Lost 1-2 | -181464 |
| 4standard | 274 | Maia, Rodolfo (1405) | Lost 0-2 | -191445 |
| 5standard | 271 | Vitor, Paulo (1463) | Won 2-1 | +181463 |
| 6standard | 211 | Larrousse, Gonzalo (1485) | Won 2-0 | +191482 |
| 7standard | 195 | Moraes, Jose Carlos (1503) | Won 2-0 | +181500 |
| 8standard | 144 | Teixeira, Glauber (1525) | Won 2-0 | +181518 |
| 9standard | 103 | Bitner Yoshimoto, Henrique (1535) | Won 2-0 | +191537 |
| average opponent: 1486record: 5-3 | new rating: 1537 | |||