Bittner Silva, Edgar
Current rating: 1454
Record: 10-14
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 90 | Godoy, Juan Ignacio (1417) | Won 2-0 | +171482 |
| 2modern | 138 | Watanabe, Thiago (1517) | Won 2-0 | +191501 |
| 3modern | 134 | Granado, Andre (1565) | Lost 1-2 | -171484 |
| 4modern | 326 | Piria, Franco0181 (1602) | Lost 1-2 | -161468 |
| 5modern | 330 | Soares, Marco Tulio (1558) | Lost 1-2 | -161452 |
| 6modern | 422 | Martini, Lucas (1458) | Won 2-0 | +181470 |
| 7modern | 317 | Leite, Bruno (1608) | Lost 1-2 | -161454 |
| top | average opponent: 1532record: 3-4 | new rating: 1454 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 349 | Arraval Zanetti, Andre Felipe (1501) | Won 2-1 | +191472 |
| 2modern | 348 | Tavares Costa E Silva, Richard (1449) | Won 2-1 | +181490 |
| 4modern | 52 | Ferry, Sergio (1771) | Lost 1-2 | -131477 |
| 5modern | 226 | Inacio, Joao (1537) | Lost 0-2 | -171460 |
| 6modern | 331 | Novak, Treicy (1559) | Lost 1-2 | -161444 |
| 7modern | 325 | Laier, Gilmour (1619) | Won 2-0 | +211465 |
| top | average opponent: 1573record: 3-3 | new rating: 1465 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 22 | Dirceu Alves Barbosa, Wekisley (1497) | Won 2-0 | +181483 |
| 2modern | 89 | De Campos Dorini, Ricardo (1555) | Lost 1-2 | -171466 |
| 3modern | 368 | Henrique Paniago De O Amaral, Pedro (1499) | Lost 0-2 | -171449 |
| 4modern | 399 | Panzarini, Diogo (1465) | Won 2-0 | +181467 |
| 5modern | 262 | Machado Viegas, Breno (1508) | Lost 1-2 | -171450 |
| 6modern | 410 | Amorim Enomoto, Joao Francisco (1513) | Won 2-0 | +191469 |
| 7modern | 362 | Ximenes, Felipe (1588) | Lost 0-2 | -161453 |
| top | average opponent: 1518record: 3-4 | new rating: 1453 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 506 | Cecatto, Luiz Eduardo (1500) | Won 2-0 | +181518 |
| 2standard | 71 | de Souza Neto, Oscar N (1550) | Lost 0-2 | -171501 |
| 3standard | 361 | Bueno, Marcelo Henrique (1500) | Lost 0-2 | -181483 |
| 4standard | 515 | Batista, Alexandre (1482) | Lost 1-2 | -181465 |
| top | average opponent: 1508record: 1-3 | new rating: 1465 | ||