Tattersall, William
Current rating: 1448
Record: 0-3-1
| Regional Championships Toronto 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 124 | Chatel, Zack (1531) | Lost 1-2 | -171483 |
| 2pioneer | 109 | Hewitt, Chris (1605) | Draw 1-1 | +21485 |
| 3pioneer | 128 | Naamani, Wajih (1485) | Lost 1-2 | -181467 |
| 4pioneer | 149 | Booker, David (1449) | Lost 0-2 | -191448 |
| average opponent: 1518record: 0-3-1 | new rating: 1448 | |||