Marcal De Barros Costa, Alexandre
Current rating: 1552
Record: 4-1-3
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 195 | Zilli Da Silva Jr., Jose (1539) | Draw 1-1 | +11501 |
| 2modern | 352 | Pereira De Melo, Wallace (1485) | Won 2-0 | +171518 |
| 3modern | 251 | Flores, Rolando (1449) | Draw 1-1 | -11517 |
| 4modern | 401 | Resende, Fabricio (1458) | Draw 1-1 | -11516 |
| 5modern | 355 | Perrone, Marcelo (1503) | Won 2-0 | +181534 |
| 6modern | 268 | Martins, Michell (1582) | Won 2-1 | +191553 |
| 7modern | 109 | Floriano Teixeira, Alan (1537) | Won 2-1 | +171570 |
| 8modern | 95 | Ferreira Diniz, Guilherme (1559) | Lost 0-2 | -181552 |
| average opponent: 1514record: 4-1-3 | new rating: 1552 | |||