Antunes Rubert, Jeferson
Current rating: 1484
Record: 2-3
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 91 | Andre Junior, (1500) | Lost 1-2 | -181482 |
| 2modern | 239 | De Abreu Costa, Thiago (1482) | Lost 1-2 | -181464 |
| 3modern | 381 | Vega Parra, Francisco (1560) | Lost 0-2 | -161448 |
| 4modern | 362 | Da Silva, Marlon Vinicius (1443) | Won 2-1 | +181466 |
| 5modern | 315 | Xavier, Leandro (1463) | Won 2-1 | +181484 |
| average opponent: 1490record: 2-3 | new rating: 1484 | |||