Webster, Calvin
Current rating: 1388
Record: 1-7
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 341 | Jerrett, Duncan (1437) | Lost 1-2 | -191481 |
| 2modern | 529 | Mullins, Brad (1492) | Lost 0-2 | -181463 |
| 3modern | 676 | Wolford, Chase (1469) | Lost 1-2 | -181445 |
| 4modern | 732 | VanderStouwe, Anna (1452) | Lost 0-2 | -181427 |
| 5modern | 674 | Brown, Chance (1403) | Lost 1-2 | -181409 |
| 6modern | 598 | Back, Sarah (1275) | Won 2-1 | +151424 |
| 7modern | 501 | Beane, Patrick (1394) | Lost 1-2 | -181406 |
| 8modern | 416 | Hundley, Jacob (1409) | Lost 1-2 | -181388 |
| average opponent: 1416record: 1-7 | new rating: 1388 | |||