Mayer Junior, Edmundo
Current rating: 1486
Record: 7-8-1
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 434 | Gomes Bisbocci Da Costa, Arthur (1500) | Lost 1-2 | -191530 |
| 2modern | 533 | Machado Silva, Otavio Cesar (1412) | Lost 1-2 | -201510 |
| 3modern | 601 | Casotti, Anderson Diogo (1496) | Draw 1-1 | 01510 |
| 4modern | 619 | Souza, Leone (1384) | Won 2-0 | +161526 |
| 5modern | 505 | Moreira, Fabio (1471) | Won 2-0 | +171543 |
| 6modern | 386 | Nunes Tadeo, Renato Yukio (1471) | Lost 1-2 | -201523 |
| 7modern | 379 | Farias, Andre Luiz (1485) | Lost 0-2 | -181505 |
| 8modern | 334 | Toledo Modesto De Souza, Andre (1467) | Lost 0-2 | -191486 |
| average opponent: 1461record: 2-5-1 | new rating: 1486 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 356 | Bossaneli Araujo, William (1861) | Won 2-1 | +241524 |
| 2modern | 329 | Gubert Manzano, Alfredo (1501) | Won 2-0 | +181542 |
| 3modern | 34 | Zaghi, Rafael (1866) | Lost 0-2 | -121530 |
| 4modern | 210 | Dos Santos, Pablo (1593) | Won 2-1 | +191549 |
| 5modern | 217 | Leite, Joao (1504) | Lost 1-2 | -191530 |
| 6modern | 254 | Garcia, Gabriel [BRA] (1534) | Lost 1-2 | -181512 |
| 7modern | 354 | Martin Salaroli, Phelipe (1505) | Won 2-0 | +181530 |
| 8modern | 234 | Ferreira, Joao Victor (1609) | Won 2-0 | +191549 |
| average opponent: 1622record: 5-3 | new rating: 1549 | |||