Chamon Tavares, Samuel
Current rating: 1436
Record: 3-7-3
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 19 | Aqel, Muhammad (1577) | Lost 0-2 | -161448 |
| 4modern | 382 | Monteiro, Andre Luiz (1429) | Draw 1-1 | 01448 |
| 5modern | 291 | Burghi, Victor (1519) | Won 2-0 | +191467 |
| 6modern | 168 | Marins Dos Santos, Fernando (1562) | Lost 0-2 | -161451 |
| 7modern | 274 | Silva Rocha, Bruno (1652) | Lost 0-2 | -151436 |
| average opponent: 1548record: 1-3-1 | new rating: 1436 | |||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 238 | Tapia Montano, Cristian (1494) | Draw 1-1 | 01500 |
| 3modern | 217 | Parente Pinheiro Bandeira De Godoy, Alexandre (1518) | Lost 0-2 | -181482 |
| 4modern | 363 | Moreira Sales, Ramon (1498) | Won 2-1 | +191501 |
| 5modern | 231 | Carvalho, Diego (1436) | Won 2-1 | +161517 |
| 6modern | 144 | Gasparini, Felipe (1590) | Lost 0-2 | -161501 |
| 7modern | 250 | Gomez, Tomas (1537) | Lost 0-2 | -181483 |
| 8modern | 320 | Dermonde Goncalves, Lucas (1452) | Lost 1-2 | -181465 |
| 9modern | 322 | Pacheco Stutz, Peterson (1433) | Draw 0-0 | -11464 |
| average opponent: 1495record: 2-4-2 | new rating: 1464 | |||