Oliveira, Hiero
Current rating: 1405
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 238 | Vignoli De Lima, Lury (1500) | Won 2-1 | +201416 |
| 2modern | 140 | Freitas Rangel, Danilo (1532) | Lost 1-2 | -161400 |
| 3modern | 529 | Barandas Almeida, Caio (1557) | Won 2-1 | +211421 |
| 4modern | 308 | Espinoza, Rodrigo (1429) | Won 2-0 | +181439 |
| 5modern | 131 | Gonzales, Gabriel (1518) | Lost 1-2 | -161423 |
| 6modern | 202 | Kikuchi, Thatyana (1455) | Lost 1-2 | -181405 |
| top | average opponent: 1498record: 3-3 | new rating: 1405 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 144 | Goncalves De Castro, Daniel (1500) | Lost 1-2 | -171431 |
| 2modern | 605 | Teves, Vitor (1481) | Lost 1-2 | -171414 |
| 3modern | 661 | Borges De Almeida, Diego (1462) | Lost 0-2 | -181396 |
| top | average opponent: 1481record: 0-3 | new rating: 1396 | ||
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Martinello da Costa, Paulo Henrique (1692) | Lost 0-2 | -151485 |
| 2standard | 181 | Joly Rodrigues, Lucas (1483) | Lost 0-2 | -181467 |
| 3standard | 262 | Schaidhauer, Diego Dias (1413) | Lost 0-2 | -191448 |
| 5standard | 261 | Da Cunha Martins, Joao (1453) | Won 2-0 | +181466 |
| 6standard | 230 | Corso, Marcos (1420) | Lost 1-2 | -181448 |
| top | average opponent: 1492record: 1-4 | new rating: 1448 | ||