Joao C.,
Current rating: 1467
Record: 0-2-2
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 131 | Pedro Al., (1500) | Draw 1-1 | 01500 |
| 2standard | 175 | Garreton, Mauricio (1516) | Lost 1-2 | -181482 |
| 3standard | 244 | Shizuo Hassler, Roland (1483) | Draw 1-1 | 01482 |
| 4standard | 315 | Castro, Hugo E (1633) | Lost 0-2 | -151467 |
| average opponent: 1533record: 0-2-2 | new rating: 1467 | |||