Williams, Jack
Current rating: 1433
Record: 11-16
| Grand Prix Sydney 2019 (RNA limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 96 | Thomas, Jake (1507) | Lost 1-2 | -171449 |
| 2sealed | 174 | Kearnan, Royce (1485) | Lost 1-2 | -171432 |
| 3sealed | 249 | Zhang, Zheng (1487) | Won 2-0 | +191451 |
| 4sealed | 176 | Worley, Rewa (1484) | Lost 0-2 | -181433 |
| top | average opponent: 1491record: 1-3 | new rating: 1433 | ||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 212 | Laird, Gregory (1500) | Lost 1-2 | -171411 |
| 2modern | 427 | Kinnaird, Adam (1482) | Lost 1-2 | -171394 |
| 3modern | 471 | Bennett, David (1463) | Won 2-0 | +201414 |
| 4modern | 440 | Collard, Rohan (1484) | Won 2-0 | +191433 |
| 5modern | 272 | Casaburi, Benjamin (1500) | Won 2-0 | +191452 |
| 6modern | 209 | Hutchins, Damien (1475) | Lost 0-2 | -171435 |
| 7modern | 310 | Maurici, Micheal (1794) | Won 2-1 | +241459 |
| 8modern | 198 | Vo, Khoi (1594) | Won 2-0 | +201479 |
| 9modern | 176 | Tokoli, Zsolt (1770) | Lost 1-2 | -131466 |
| top | average opponent: 1562record: 5-4 | new rating: 1466 | ||
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 323 | Trollip, Ben (1536) | Lost 1-2 | -171465 |
| 2sealed | 222 | Miller, Jackson (1370) | Lost 1-2 | -201445 |
| 3sealed | 322 | Deane, Joe (1465) | Lost 1-2 | -171428 |
| top | average opponent: 1457record: 0-3 | new rating: 1428 | ||
| Grand Prix Melbourne 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 52 | Craig, Ryan J (1487) | Lost 1-2 | -181482 |
| 2standard | 316 | Wang, Zhuoyang (1481) | Lost 1-2 | -181464 |
| 3standard | 374 | Fuller-Jackson, John-P (1464) | Won 2-0 | +181482 |
| 4standard | 285 | Schumacher, Myles (1498) | Won 2-0 | +181500 |
| 5standard | 228 | Side, David (1499) | Lost 1-2 | -181482 |
| top | average opponent: 1486record: 2-3 | new rating: 1482 | ||
| Grand Prix Brisbane 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 120 | Jewson, Harrison (1500) | Won 2-0 | +181518 |
| 2modern | 15 | Kay, Craig (1407) | Lost 0-2 | -201498 |
| 3modern | 124 | Jackway, Robert (1725) | Lost 0-2 | -141484 |
| 4modern | 173 | Armstrong, Matt R (Spud) (1411) | Won 2-1 | +171501 |
| 5modern | 120 | Van Maarseveen, Ryan (1469) | Won 2-1 | +171518 |
| 6modern | 99 | Cui, Chun (1516) | Lost 1-2 | -181500 |
| top | average opponent: 1505record: 3-3 | new rating: 1500 | ||