Williams, Michael [AUS]
Current rating: 1421
| Grand Prix Brisbane 2017 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 292 | Dalliston, Shane (1643) | Lost 1-2 | -141434 |
| 2modern | 288 | Nuttall, Benjamin (1410) | Lost 1-2 | -191415 |
| 3modern | 422 | Rosario, Felix (1477) | Won 2-1 | +191434 |
| 4modern | 303 | Klease, Stephen (1484) | Won 2-0 | +191453 |
| 5modern | 282 | Ward-Smith, Lachlan (1594) | Lost 0-2 | -151438 |
| 6modern | 299 | Montgomery, Joel (1481) | Lost 1-2 | -171421 |
| top | average opponent: 1515record: 2-4 | new rating: 1421 | ||
| Grand Prix Brisbane 2013 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 156 | Korte, David (1500) | Won 2-0 | +191482 |
| 2modern | 99 | Liang, Mo (1563) | Lost 0-2 | -161466 |
| 3modern | 174 | Pascoe, Matt (1502) | Lost 1-2 | -181448 |
| top | average opponent: 1522record: 1-2 | new rating: 1448 | ||
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 81 | Tjoa, Djony (1500) | Lost 1-2 | -181482 |
| 2sealed | 124 | Pianta, Che (1482) | Lost 0-2 | -181464 |
| 3sealed | 169 | Car, Jackson (1464) | Won 2-0 | +181482 |
| 4sealed | 182 | Burrowes, Alex (1448) | Lost 0-2 | -191463 |
| top | average opponent: 1474record: 1-3 | new rating: 1463 | ||