Samuel, Rubem
Current rating: 1411
Record: 0-5
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 232 | Silva, Anderson (1466) | Lost 1-2 | -181447 |
| 2standard | 199 | Barbosa Destri Junior, Vilmar (1482) | Lost 1-2 | -171430 |
| 3standard | 255 | Alves De Almeida, Jose (1413) | Lost 0-2 | -191411 |
| average opponent: 1454record: 0-3 | new rating: 1411 | |||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Cesar Siqueira, Jorge Henrique (1556) | Lost 0-2 | -171483 |
| 2sealed | 233 | Chiu Mariano da Silva, Marcos Alexandre (1483) | Lost 0-2 | -181465 |
| average opponent: 1520record: 0-2 | new rating: 1465 | |||