Atcheson, Mia
Current rating: 1490
Record: 2-3-3
| Regional Championships Sydney 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 73 | Jordan, Sebastian (1500) | Lost 0-2 | -181482 |
| 2pioneer | 57 | Eastgate-Brown, John (1774) | Draw 1-1 | +51487 |
| 3pioneer | 67 | Skinn, Alex (1468) | Draw 1-1 | 01487 |
| 4pioneer | 75 | Porto, Caio (1469) | Won 2-0 | +181505 |
| 5pioneer | 59 | Michel, Ramy (1486) | Draw 1-1 | -11504 |
| 6pioneer | 48 | Drake, Andrew (1530) | Won 2-0 | +191523 |
| 7pioneer | 38 | McGillivray, Connor (1666) | Lost 0-2 | -161507 |
| 8pioneer | 47 | Holtzman, Paul (1526) | Lost 1-2 | -171490 |
| average opponent: 1552record: 2-3-3 | new rating: 1490 | |||