Da Rocha, Claudio Santos
Current rating: 1490
Record: 3-4-3
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 261 | Sartori, Pedro Caruana (1519) | Lost 0-2 | -181481 |
| 3modern | 273 | Furlan, Erico (1520) | Won 2-0 | +191500 |
| 4modern | 295 | Bollati, Matias (1930) | Lost 1-2 | -101490 |
| average opponent: 1656record: 1-2 | new rating: 1490 | |||
| Grand Prix Rio de Janeiro 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Schneider, Mark (1519) | Draw 1-1 | 01500 |
| 2sealed | 78 | Carneiro, Henrique Essinger (1500) | Won 2-0 | +181518 |
| 3sealed | 54 | Brito, Wesley (1518) | Won 2-1 | +181536 |
| 4sealed | 45 | Guimaraes, Douglas Ricardo (1537) | Draw 1-1 | 01536 |
| 5sealed | 66 | Venancio, Nano (1535) | Draw 1-1 | 01536 |
| 6sealed | 84 | Pessini, Henrique Oliveira (1484) | Lost 0-2 | -191517 |
| 7sealed | 102 | Silva, Ricardo (1500) | Lost 0-0 | -181499 |
| average opponent: 1513record: 2-2-3 | new rating: 1499 | |||