Machado Silva, Otavio Cesar
Current rating: 1454
Record: 5-8
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 467 | Cirelli, Mauricio (1505) | Lost 1-2 | -171412 |
| 2modern | 533 | Mayer Junior, Edmundo (1530) | Won 2-1 | +201432 |
| 3modern | 275 | Belote, Andre (1500) | Lost 1-2 | -161416 |
| 4modern | 426 | Inoue, Marcelo Toshio (1361) | Won 2-1 | +171433 |
| 5modern | 379 | Sousa Regis Dantas, Marcos (1468) | Won 2-0 | +181451 |
| 6modern | 314 | Diniz Alves, Leon (1516) | Won 2-1 | +191470 |
| 7modern | 168 | Araujo, Jose Willams (1536) | Lost 1-2 | -161454 |
| average opponent: 1488record: 4-3 | new rating: 1454 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 11 | Maranhao Silva, Erick Mattheus (1500) | Won 2-1 | +181518 |
| 2modern | 192 | Gatica, Alejandro (1580) | Lost 1-2 | -171501 |
| 3modern | 452 | Moreira Sales, Ramon (1503) | Lost 0-2 | -181483 |
| 4modern | 511 | Casu, Bruno (1483) | Lost 1-2 | -181465 |
| 5modern | 552 | Batista Leandro, Filipe (1468) | Lost 0-2 | -181447 |
| 6modern | 517 | De Paula Gomes, Rodrigo (1428) | Lost 0-2 | -181429 |
| average opponent: 1494record: 1-5 | new rating: 1429 | |||