Guedes, Samuel
Current rating: 1509
Record: 8-8
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| B1standard | 63 | Preto, Marcio Demetrius (1432) | Lost 0-2 | -191487 |
| B2standard | 126 | De Albuquerque Silva, Rodrigo (1466) | Won 2-0 | +181505 |
| B3standard | 30 | Fehr, Gabriel (1673) | Lost 0-2 | -151490 |
| B4standard | 141 | Teixeira, Glauber (1790) | Lost 0-0 | -131477 |
| B5standard | 142 | Silva Riquelme, Felipe (1468) | Won 2-0 | +181495 |
| B6standard | 108 | Careli, Michael (1346) | Lost 0-2 | -211474 |
| B7standard | 102 | dos Santos Elias, Joao Paulo (1419) | Won 2-0 | +171491 |
| B8standard | 76 | Martins De Souza Junior, Edson (1484) | Won 2-0 | +181509 |
| average opponent: 1510record: 4-4 | new rating: 1509 | |||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 117 | Pattaro, Eloi Ugo (1798) | Lost 1-2 | -131487 |
| 3modern | 232 | Luiz, Kevan (1504) | Lost 0-2 | -171470 |
| 4modern | 394 | De Abreu, Marcio (1501) | Won 2-0 | +181488 |
| 5modern | 350 | Treuko, Nicholas (1439) | Won 2-1 | +171505 |
| 6modern | 290 | Souto Maior Filizzola, Arthur (1553) | Won 2-1 | +191524 |
| 7modern | 196 | Moraes Santos, Lucas (1524) | Lost 1-2 | -181506 |
| 8modern | 254 | Cambraia Da Costa, Murilo (1503) | Won 2-1 | +181524 |
| 9modern | 211 | Vieira E Silva, Arthur (1536) | Lost 0-2 | -181506 |
| average opponent: 1545record: 4-4 | new rating: 1506 | |||