Costa, Artur
Current rating: 1470
Record: 1-3
| Regional Championships Sao Paulo 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 85 | Ferreira, Rafael (1587) | Won 2-1 | +201520 |
| 2pioneer | 23 | Rosa, Douglas (1584) | Lost 0-2 | -171503 |
| 3pioneer | 45 | Alves, Raphael (1483) | Lost 1-2 | -191484 |
| 4pioneer | 66 | Romani, Douglas (1659) | Lost 1-2 | -141470 |
| average opponent: 1578record: 1-3 | new rating: 1470 | |||