Pacheco, Carlos [AUS]
Current rating: 1502
Record: 4-4
| Regional Championships Sydney 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 15 | Lowe, Stephen (1493) | Lost 0-2 | -181482 |
| 2pioneer | 74 | Kolpin, Dean (1445) | Won 2-1 | +171499 |
| 3pioneer | 25 | Henley, Cayliss (1500) | Won 2-1 | +181517 |
| 4pioneer | 23 | Yang, Jinhao (1518) | Lost 0-2 | -181499 |
| 5pioneer | 37 | Bird, Ethan (1479) | Won 2-0 | +181517 |
| 6pioneer | 31 | Billinghurst, Michael (1748) | Lost 0-2 | -141503 |
| 7pioneer | 38 | Michel, Ramy (1509) | Lost 0-2 | -181485 |
| 8pioneer | 43 | Cezar Caproni, Julio Miguel (1398) | Won 2-0 | +171502 |
| average opponent: 1511record: 4-4 | new rating: 1502 | |||