Brett-Davies, Matthew
Current rating: 1490
Record: 6-7
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 432 | Consonni, Francesco (1411) | Won 2-0 | +171464 |
| 2legacy | 126 | Strachan, Tyrik (1500) | Lost 1-2 | -171447 |
| 3legacy | 566 | Goff, Robert (1413) | Lost 1-2 | -191428 |
| 4legacy | 648 | Kueck, Truett (1510) | Won 2-0 | +201448 |
| 5legacy | 441 | Shaff, Justin (1504) | Won 2-0 | +191467 |
| 6legacy | 308 | Stepka, Benjamin (1543) | Won 2-0 | +191486 |
| 7legacy | 181 | Schnee-Schrempp, Luke (1551) | Won 2-1 | +191505 |
| 8legacy | 137 | Mabee, Daniel (1672) | Lost 0-2 | -151490 |
| average opponent: 1513record: 5-3 | new rating: 1490 | |||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2505 | Funston, John (1482) | Lost 1-2 | -181482 |
| 2modern | 2486 | Taylor, Dallas (1410) | Won 2-1 | +161498 |
| 3modern | 2464 | Lassen, Nicholas (1626) | Lost 1-2 | -151483 |
| 4modern | 2582 | Pawliw, Levi (1468) | Lost 0-2 | -191464 |
| 5modern | 2685 | Bruce, Alexander (1484) | Lost 0-2 | -171447 |
| average opponent: 1494record: 1-4 | new rating: 1447 | |||