Barros Vasconcelos, Samuel
Current rating: 1488
Record: 3-4-2
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| A1standard | 80 | Gennari Souza, Juliano (1735) | Lost 0-2 | -141486 |
| A2standard | 92 | Ferreira, Joao Victor (1531) | Won 2-0 | +191505 |
| A3standard | 114 | De Freitas, Iury (1570) | Won 2-1 | +191524 |
| A4standard | 44 | Martins De Rezende, Aloyr (1533) | Lost 0-2 | -181506 |
| A5standard | 101 | Moraes, Erico (1486) | Lost 0-2 | -181488 |
| average opponent: 1571record: 2-3 | new rating: 1488 | |||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 86 | Nascimento, Michael William (1453) | Draw 1-1 | -11499 |
| 2modern | 344 | Santana Viana, Eliney (1413) | Draw 1-1 | -11498 |
| 3modern | 555 | Pinheiro, Tiago Thomaz (1612) | Won 2-1 | +201518 |
| 4modern | 403 | Toro, Jaime (1518) | Lost 0-2 | -181500 |
| average opponent: 1499record: 1-1-2 | new rating: 1500 | |||