Vidal Rivas, Valentin
Current rating: 1454
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 565 | Barbosa Da Silva, Pedro (1500) | Won 2-0 | +191483 |
| 2modern | 7 | Martinello da Costa, Paulo Henrique (1740) | Lost 0-2 | -141469 |
| 3modern | 337 | Junior, Jose (1453) | Lost 1-2 | -181451 |
| 4modern | 487 | Branco, Icaro (1641) | Won 2-0 | +211472 |
| 5modern | 499 | Navarro, Rafael (1466) | Lost 1-2 | -181454 |
| top | average opponent: 1560record: 2-3 | new rating: 1454 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 404 | Dos Santos, Charles Eduardo (1500) | Lost 1-2 | -171464 |
| 2modern | 338 | Landoni, Carlos (1482) | Won 2-1 | +181482 |
| 3modern | 420 | Dos Santos Estrela, Fabio (1479) | Won 2-1 | +181500 |
| 4modern | 327 | Olea, Carlos (1464) | Won 2-1 | +171517 |
| 5modern | 98 | Gatica, Alejandro (1566) | Lost 1-2 | -171500 |
| 6modern | 175 | Dominguez, Martin Sebastian (1463) | Lost 1-2 | -181482 |
| 7modern | 390 | Balbino Guimaraes, Mateus (1500) | Lost 1-2 | -181464 |
| top | average opponent: 1493record: 3-4 | new rating: 1464 | ||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 27 | BECK, VANESSA (1500) | Won 2-1 | +181518 |
| 2standard | 2 | Luksic, Ivan (1518) | Lost 1-2 | -181500 |
| 3standard | 194 | Blanes del Ciampo, Marcelo (1499) | Lost 1-2 | -181482 |
| 4standard | 253 | Hsieh, Yu Shiang (1482) | Won 2-0 | +181500 |
| 5standard | 209 | LOPES, CAIO (1484) | Won 2-0 | +181518 |
| 6standard | 146 | Capello, Matias (1518) | Lost 1-2 | -181500 |
| 7standard | 167 | Alcalde, Eduardo (1483) | Lost 0-2 | -191481 |
| top | average opponent: 1498record: 3-4 | new rating: 1481 | ||