Williamson, Micheal
Current rating: 1433
Record: 0-4
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 315 | Smith, Paige (1636) | Lost 0-2 | -161484 |
| 2modern | 391 | Cruickshank, Sean (1678) | Lost 1-2 | -141470 |
| 3modern | 674 | Bray, Ian (1405) | Lost 1-2 | -191451 |
| 4modern | 738 | Lanceford, Callie (1472) | Lost 0-2 | -181433 |
| average opponent: 1547record: 0-4 | new rating: 1433 | |||