Guimaraes Dergam, Gustavo
Current rating: 1471
Record: 7-9
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 507 | Lopes Rodrigues, Matheus (1500) | Won 2-1 | +181484 |
| 2modern | 73 | Silva, Daniel [BRA] (1552) | Lost 1-2 | -161468 |
| 3modern | 288 | Aguillon Perez, Nicolas (1419) | Won 2-0 | +171485 |
| 4modern | 386 | Jorge, Fabi7027 (1527) | Lost 0-2 | -171468 |
| 5modern | 459 | Burghi, Victor (1502) | Won 2-0 | +181486 |
| 6modern | 280 | Maeda, Leonardo (1604) | Lost 1-2 | -161470 |
| 7modern | 284 | Filho, Mario (1499) | Won 2-0 | +191489 |
| 8modern | 222 | Fuentes, Felipe (1476) | Lost 1-2 | -181471 |
| average opponent: 1510record: 4-4 | new rating: 1471 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 92 | Bartilotte Mercante De Oliveira, Renato (1500) | Won 2-0 | +181518 |
| 2modern | 46 | Leal, Joao (1481) | Lost 1-2 | -191499 |
| 3modern | 309 | Leonel Motta, Rafael (1447) | Won 2-1 | +171516 |
| 4modern | 153 | Bragaia, Marco Antonio (1623) | Lost 0-2 | -161500 |
| 5modern | 377 | Molina, Marcelo [ARG] (1537) | Lost 1-2 | -171483 |
| 6modern | 440 | Ferreira Val, Lucas (1482) | Won 2-1 | +181501 |
| 7modern | 395 | Bighetti, Rebeca (1470) | Lost 1-2 | -191482 |
| 8modern | 345 | Almeida, Danilo (1561) | Lost 0-2 | -161466 |
| average opponent: 1513record: 3-5 | new rating: 1466 | |||