McArthur, Brandon
Current rating: 1526
Record: 7-7-1
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 332 | Nunez, Joseph (1500) | Won 2-0 | +181490 |
| 2pioneer | 133 | Bellamy, Ryan (1500) | Lost 0-2 | -181472 |
| 3pioneer | 375 | Hatch, Tim (1697) | Lost 1-2 | -141458 |
| 4pioneer | 528 | Ziminsky, Caleb (1454) | Won 2-0 | +181476 |
| 5pioneer | 281 | Conboy, James (1697) | Won 2-0 | +221498 |
| 6pioneer | 209 | massey, alan (1489) | Won 2-0 | +181516 |
| 7pioneer | 92 | Chaves, Rodrigo (1645) | Won 2-0 | +201536 |
| 8pioneer | 63 | Franta, Marcy (1675) | Lost 1-2 | -151521 |
| 9pioneer | 168 | Alexander, Reed (1683) | Won 2-1 | +211542 |
| 10pioneer | 142 | Waggoner, Brent (1653) | Draw 1-1 | +21544 |
| 11pioneer | 103 | Prue, Daniel (1560) | Lost 1-2 | -181526 |
| average opponent: 1596record: 6-4-1 | new rating: 1526 | |||
| Regional Championships Atlanta 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1217 | McClure, Micheal (1563) | Lost 0-2 | -171483 |
| 2pioneer | 1249 | Wright, Matthew C (1479) | Lost 1-2 | -181465 |
| 3pioneer | 1414 | Bates, Harrison (1736) | Won 2-0 | +231488 |
| 4pioneer | 1317 | Kominowski, Maxx (1579) | Lost 1-2 | -161472 |
| average opponent: 1589record: 1-3 | new rating: 1472 | |||