Mason, Oliver
Current rating: 1501
Record: 7-7-2
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 101 | Swaner, Benjamin (1491) | Lost 0-2 | -181496 |
| 2pioneer | 325 | Pohling, Ross (1592) | Won 2-0 | +191515 |
| 3pioneer | 240 | Sobottka, Harris (1451) | Lost 0-2 | -191496 |
| 4pioneer | 469 | Nguyen, Tuan (1722) | Won 2-1 | +221518 |
| 5pioneer | 337 | Taylor, Troy (1550) | Won 2-1 | +191537 |
| 6pioneer | 135 | Bailey, Douglas (1623) | Won 2-0 | +191556 |
| 7pioneer | 178 | Shah-Jones, Hugo (1449) | Lost 1-2 | -191537 |
| 8pioneer | 452 | Martin, Spencer (1559) | Lost 0-2 | -181519 |
| 9pioneer | 232 | Ulep, Michael (1513) | Lost 0-2 | -181501 |
| average opponent: 1550record: 4-5 | new rating: 1501 | |||
| Grand Prix Columbus 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 42 | Spoerl, Jordan (1500) | Draw 1-1 | 01500 |
| 2modern | 154 | Cockram, Christopher (1482) | Won 2-0 | +181518 |
| 3modern | 150 | Latture, Austin (1500) | Draw 1-1 | -11517 |
| 4modern | 209 | Hicks, Jeffrey (1512) | Lost 1-2 | -181499 |
| 5modern | 247 | Bishop, Jesse (1348) | Won 2-0 | +161515 |
| 6modern | 188 | Kiesling, Jeffrey (1503) | Won 2-0 | +171532 |
| 7modern | 135 | Yosmanovich, Peter (1524) | Lost 0-2 | -181514 |
| average opponent: 1481record: 3-2-2 | new rating: 1514 | |||