Tattersall, Pierce
Current rating: 1467
Record: 7-9-1
| Regional Championships Sydney 2023 Cycle 4 (pioneer) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 21 | Harvey, Jacob (1375) | Lost 0-2 | -211502 |
| 2pioneer | 53 | Outh-Aut, Max (1556) | Lost 0-2 | -171485 |
| 3pioneer | 75 | Canavan, Jeremy (1471) | Lost 1-2 | -181467 |
| top | average opponent: 1467record: 0-3 | new rating: 1467 | ||
| Regional Championships Sydney 2023 (pioneer) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 31 | Skinn, Alex (1484) | Draw 0-0 | -11500 |
| 2pioneer | 46 | Porto, Caio (1502) | Won 2-0 | +181518 |
| 3pioneer | 23 | Turner, Nicholas (1604) | Won 2-0 | +201538 |
| 4pioneer | 12 | Zegveld, Malcolm (1543) | Lost 1-2 | -181520 |
| 5pioneer | 29 | Frankel, Carl (1510) | Won 2-0 | +181538 |
| 6pioneer | 18 | Filmer, Dan (1517) | Lost 1-2 | -181520 |
| 7pioneer | 30 | van Eeden, Jacques (1722) | Won 2-1 | +211541 |
| 8pioneer | 21 | Galyer, Viktor (1532) | Lost 1-2 | -181523 |
| top | average opponent: 1552record: 4-3-1 | new rating: 1523 | ||
| Regional Championships Sydney 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 70 | Kearnan, Royce (1509) | Lost 1-2 | -181482 |
| 2pioneer | 45 | Van Tienen, Kyle (1483) | Lost 1-2 | -181464 |
| 3pioneer | 70 | Sze-To, Charlie (1463) | Won 2-1 | +181482 |
| 4pioneer | 52 | Sorensen, Josh (1492) | Won 2-0 | +181500 |
| 5pioneer | 37 | Brunton, David (1518) | Won 2-1 | +191519 |
| 6pioneer | 30 | Thatcher, Calum (1521) | Lost 0-2 | -181501 |
| top | average opponent: 1498record: 3-3 | new rating: 1501 | ||