Chaves, Bruno
Current rating: 1527
Record: 6-5-2
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 70 | Dermonde Goncalves, Lucas (1406) | Lost 0-2 | -191445 |
| 2standard | 148 | da Silva, Luis (1555) | Draw 1-1 | +21447 |
| 3standard | 249 | Hilario Mazza Da Silva, Murilo (1534) | Won 2-0 | +191466 |
| 4standard | 206 | Mello, Ronaldo (1483) | Won 2-0 | +191485 |
| 5standard | 143 | Pauly Fernandes, Francisco (1514) | Draw 1-1 | 01485 |
| 6standard | 176 | Hervas, Lucas (1568) | Won 2-0 | +201505 |
| 7standard | 126 | Alves Pellegrini, Felipe (1717) | Lost 1-2 | -141491 |
| 8standard | 161 | Heringer, Diogo (1516) | Won 2-0 | +181509 |
| 9standard | 122 | Pocai, Andre (1506) | Won 2-0 | +181527 |
| average opponent: 1533record: 5-2-2 | new rating: 1527 | |||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 199 | Thiago Aquiles Mattye, (1500) | Lost 1-2 | -181482 |
| 2modern | 208 | Sousa Raposo, Wesley Jonas (1480) | Lost 0-2 | -181464 |
| 3modern | 358 | Farias, Diego (1464) | Won 2-1 | +181482 |
| 4modern | 347 | Chiste, Francisco (1483) | Lost 0-2 | -181464 |
| average opponent: 1482record: 1-3 | new rating: 1464 | |||