Chaves, Rafael [BRA]
Current rating: 1436
Record: 2-6
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 261 | Martinez, Julian (1644) | Lost 0-2 | -151432 |
| 2modern | 476 | De Freitas, Raphael Julio (1497) | Won 2-1 | +191451 |
| 3modern | 440 | Garay Lillo, Pablo (1590) | Lost 1-2 | -151436 |
| average opponent: 1577record: 1-2 | new rating: 1436 | |||
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 61 | Simoes, Guilherme (1484) | Lost 0-2 | -181482 |
| 3standard | 196 | Soares Neto, Carlos de Salles (1523) | Lost 1-2 | -181464 |
| 4standard | 235 | Rodolfo Da Silva, Heitor (1482) | Won 2-1 | +191483 |
| 5standard | 220 | Del Pino, Guilherme (1454) | Lost 0-2 | -191464 |
| 6standard | 231 | Rosa, Douglas (1480) | Lost 0-2 | -171447 |
| average opponent: 1485record: 1-4 | new rating: 1447 | |||