Onofre Santiago B, Mark9091
Current rating: 1480
Record: 2-3
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 22 | Da Costa Santin, Giovanni (1500) | Won 2-0 | +181518 |
| 2modern | 323 | Stoppa, Rodrigo (1518) | Won 2-1 | +181536 |
| 3modern | 30 | Correa Santiago, Joao Eduardo (1445) | Lost 1-2 | -201516 |
| 4modern | 171 | Saldanha Dos Santos, Helio (1499) | Lost 1-2 | -181498 |
| 5modern | 345 | Pampone Esteve, Joao Vitor (1500) | Lost 1-2 | -181480 |
| average opponent: 1492record: 2-3 | new rating: 1480 | |||