Castro E Silva, Joao
Current rating: 1498
Record: 4-4
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| B1standard | 85 | Ribeiro, Lisandro (1521) | Won 1-0 | +181518 |
| B2standard | 32 | Bicudo, Maycon (1518) | Won 2-0 | +181536 |
| B3standard | 53 | Ardiles, Luis (1552) | Lost 1-2 | -171519 |
| B4standard | 82 | Rodriguez Canales, Juan Francisco (1450) | Lost 0-0 | -201499 |
| B5standard | 85 | Wernesbach, Frederico (1429) | Won 2-0 | +171516 |
| B6standard | 53 | Costa De Souza, Marcos Vinicios (1503) | Won 2-1 | +181534 |
| B7standard | 67 | Pancieri Campos, Wangli (1544) | Lost 0-2 | -181516 |
| B8standard | 57 | Cardarelli, Victor (1503) | Lost 0-2 | -181498 |
| average opponent: 1502record: 4-4 | new rating: 1498 | |||