Tidd, Donald
Current rating: 1419
Record: 1-6
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 339 | Jones, Justin (1505) | Lost 1-2 | -171434 |
| A2sealed | 339 | Groat, Josh (1583) | Lost 0-2 | -151419 |
| average opponent: 1544record: 0-2 | new rating: 1419 | |||
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 7 | Underdown, Zachary (1437) | Lost 0-2 | -191481 |
| 2modern | 713 | Kim, Abraham (1457) | Lost 0-2 | -191462 |
| 3modern | 737 | Freedman, Henry (1756) | Lost 0-2 | -121450 |
| 4modern | 144 | Ochs, Tell (1537) | Lost 1-2 | -171433 |
| 5modern | 144 | Bozarth, Alex (1428) | Won 2-0 | +181451 |
| average opponent: 1523record: 1-4 | new rating: 1451 | |||