Sampaio, Cassiano
Current rating: 1521
Record: 17-16
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 384 | Konflanz De Oliveira, Felipe (1500) | Lost 1-2 | -191525 |
| 2modern | 552 | Melo Silva, Rubens (1482) | Won 2-0 | +171542 |
| 3modern | 246 | Almeida De Andrade, Lucas (1519) | Lost 0-2 | -181524 |
| 4modern | 365 | Fernandes, Lincoln (1482) | Won 2-0 | +171541 |
| 5modern | 336 | De Castro, Paulo Henrique (1501) | Lost 1-2 | -181523 |
| 6modern | 434 | Venancio Silva, Diogo (1481) | Won 2-0 | +171540 |
| 7modern | 318 | Miranda Guerra, Fllipe (1504) | Lost 0-2 | -191521 |
| top | average opponent: 1495record: 3-4 | new rating: 1521 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 313 | Bertoletti, Andre Augusto (1500) | Won 2-0 | +191508 |
| 2standard | 34 | Henrique de Miranda, E (1521) | Won 2-0 | +181526 |
| 3standard | 171 | Chillon, Cesar (1589) | Lost 0-2 | -171509 |
| 4standard | 348 | Giansante Barrozo, Pedro (1518) | Lost 1-2 | -181491 |
| 5standard | 316 | Rafael Sansoldo, Joao (1502) | Won 2-0 | +181509 |
| 6standard | 225 | Debastiani, Rodrigo (1518) | Won 2-1 | +191528 |
| 7standard | 169 | Brand Taranto, Thiago (1537) | Won 2-1 | +181546 |
| 8standard | 96 | Ribeiro, Otavio (1517) | Won 2-0 | +171563 |
| 9standard | 80 | Belato, Luciano (1503) | Lost 0-2 | -191544 |
| top | average opponent: 1523record: 6-3 | new rating: 1544 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 150 | CORRADI, MAXIMILIANO (1539) | Lost 0-2 | -171489 |
| 3standard | 209 | Diego Giffoni, (1501) | Lost 0-2 | -181471 |
| 4standard | 217 | Istivan Gyula, (1482) | Won 2-0 | +181489 |
| 5standard | 177 | Carvalho, Pedro (1500) | Won 2-0 | +181507 |
| 6standard | 177 | Diogo M Moraes, (1518) | Lost 0-0 | -181489 |
| top | average opponent: 1508record: 2-3 | new rating: 1489 | ||
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 26 | Lucindo, Fabiano (1468) | Won 2-1 | +171517 |
| 3sealed | 32 | Aguiar, Marcelo (1536) | Won 2-0 | +191536 |
| 4sealed | 5 | Seratti, Agustin (1503) | Won 2-1 | +171553 |
| 5sealed | 6 | Zimmer, Marco Marcelo (1608) | Lost 0-2 | -171536 |
| 6sealed | 14 | Rollwagen, Diogo (1502) | Lost 1-2 | -181518 |
| 7sealed | 36 | Quinta, Matheus Chaud (1621) | Won 2-0 | +191537 |
| 8rochester | 15 | Marin, Guilherme (1501) | Won 2-1 | +181555 |
| 9rochester | 27 | Ostrovich, Diego (1778) | Lost 1-2 | -141541 |
| 10rochester | 32 | Silveira, Robson (1522) | Won 2-0 | +171558 |
| 11rochester | 25 | Vianna, Bruno (1545) | Lost 1-2 | -181540 |
| 12rochester | 10 | Barboza, Francisco (1630) | Lost 1-2 | -161524 |
| 13rochester | 1 | Edo Junior, Roberto (1538) | Lost 0-2 | -181506 |
| top | average opponent: 1562record: 6-6 | new rating: 1506 | ||