Roberto Nunes Lopes Ju,
Current rating: 1519
Record: 4-3
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 137 | Pereira, Natanael (1463) | Won 2-1 | +171517 |
| 2standard | 148 | Brand Taranto, Thiago (1518) | Lost 1-2 | -181499 |
| 3standard | 380 | Muniz, Rogerio Reis (1500) | Won 2-0 | +181517 |
| 4standard | 261 | Pardini, Felipe (1516) | Won 2-0 | +181535 |
| 5standard | 120 | Viana, Flavio (1535) | Lost 1-2 | -181517 |
| 6standard | 243 | Calvacante, Alexandre (1520) | Won 2-0 | +181535 |
| 7standard | 121 | de Lima e Silva Borzino, Marcio (1611) | Lost 0-2 | -161519 |
| average opponent: 1523record: 4-3 | new rating: 1519 | |||