Vieira, Christopher
Current rating: 1453
Record: 4-7
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 568 | Berk, Joshua (1460) | Won 2-0 | +171499 |
| 2pioneer | 148 | Moore, Nick (1774) | Lost 1-2 | -131486 |
| 3pioneer | 154 | Coulter, Karson (1505) | Won 2-1 | +191505 |
| 4pioneer | 236 | Chiang, Jeff (1634) | Lost 0-2 | -161489 |
| 5pioneer | 374 | Cowden, Nick (1451) | Lost 1-2 | -191470 |
| 6pioneer | 446 | Hobson, Allen (1502) | Lost 1-2 | -171453 |
| average opponent: 1555record: 2-4 | new rating: 1453 | |||
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Hall, Rex (1568) | Lost 1-2 | -171483 |
| 2sealed | 409 | Puccio, Scott (1491) | Won 2-0 | +181501 |
| 3sealed | 488 | Brundage, David (1332) | Won 2-1 | +151516 |
| 4sealed | 296 | Cailloux, Jacob (1529) | Lost 0-2 | -171499 |
| 5sealed | 485 | Fairchild, Eric (1568) | Lost 1-2 | -171482 |
| average opponent: 1498record: 2-3 | new rating: 1482 | |||