Costa de Freltas, Chri
Current rating: 1553
Record: 6-3
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 113 | Marques De Alcantara, (1500) | Won 2-1 | +181518 |
| 2standard | 42 | Souza, Joao Claudio (1484) | Lost 0-2 | -191499 |
| 3standard | 172 | Kondo, Igor Kendi (1485) | Lost 1-2 | -181481 |
| 4standard | 288 | Silva, Wellington (1482) | Won 2-1 | +181499 |
| 5standard | 238 | Briozzo, Juan Diego (1447) | Won 2-0 | +171516 |
| 6standard | 174 | Paredes, Marcos (1550) | Lost 1-2 | -171499 |
| 7standard | 189 | Floresta dos Santos, Leandro (1501) | Won 2-1 | +181517 |
| 8standard | 115 | Vinicius Batista, Marcos (1534) | Won 2-1 | +181535 |
| 9standard | 107 | Liendo, Omar (1540) | Won 2-0 | +181553 |
| average opponent: 1503record: 6-3 | new rating: 1553 | |||