Oliveira, Arnaldo
Current rating: 1576
Record: 5-2-1
| Regional Championships Sao Paulo 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 60 | Gomes da Silva Junior, Reinaldo (1737) | Won 2-0 | +221522 |
| 2pioneer | 37 | Hervas, Lucas (1629) | Lost 0-2 | -161506 |
| 3pioneer | 57 | Saporito, Thiago (1933) | Draw 1-1 | +81514 |
| 4pioneer | 45 | Silva, Wellington (1490) | Won 2-1 | +171531 |
| 5pioneer | 26 | Souza, Joao Claudio (1768) | Lost 0-2 | -141517 |
| 6pioneer | 43 | Damasceno, Eder (1696) | Won 2-1 | +221539 |
| 7pioneer | 28 | Miller De Oliveira, Rodrigo (1627) | Won 2-0 | +191558 |
| 8pioneer | 21 | Mendes, Carlos (1556) | Won 2-1 | +181576 |
| average opponent: 1680record: 5-2-1 | new rating: 1576 | |||