Vieira, Marlon
Current rating: 1517
Record: 4-3-1
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 131 | Patrocinio Lopes, Iago (1429) | Lost 0-2 | -191481 |
| 2standard | 188 | Alexandre De Paula, Carlos (1481) | Won 2-1 | +181499 |
| 3standard | 214 | Rodrigues, Luis [BRA] (1500) | Draw 1-1 | 01499 |
| 4standard | 191 | Zonatto, Guilherme Leandro (1523) | Lost 1-2 | -181481 |
| 5standard | 233 | Varisco Haetinger, Cassio (1454) | Won 2-0 | +181499 |
| 6standard | 181 | Carpes Lemos, Cleon (1458) | Won 2-1 | +171516 |
| 7standard | 135 | Thompson, Cris (1520) | Won 2-1 | +181534 |
| 8standard | 97 | Reis, Bernardo (1568) | Lost 0-2 | -171517 |
| average opponent: 1492record: 4-3-1 | new rating: 1517 | |||