Johnston, William [AUS]
Current rating: 1505
Record: 6-6
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Ophel, Alex (1464) | Won 2-1 | +181464 |
| 3sealed | 260 | Krause-Heuer, Christop (1499) | Won 2-0 | +191483 |
| 4sealed | 103 | Buchan, Lachlan (1476) | Won 2-1 | +181501 |
| 5sealed | 110 | Yow, Jonathan (1602) | Won 2-0 | +201521 |
| 6sealed | 57 | Cheng, Timothy (1606) | Won 2-1 | +191540 |
| 7sealed | 19 | Zhong, Alex (1579) | Lost 0-2 | -171523 |
| 8sealed | 99 | Low, Adrian (1555) | Lost 1-2 | -181505 |
| average opponent: 1540record: 5-2 | new rating: 1505 | |||
| Grand Prix Brisbane 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 129 | OSIKA, DOMINIK (1500) | Lost 0-2 | -181482 |
| 2modern | 176 | Mendoza, Arvin (1483) | Won 2-1 | +181500 |
| 3modern | 166 | Carey, Alan (1547) | Lost 0-2 | -171483 |
| 4modern | 199 | Paterson, Thomas (1483) | Lost 1-2 | -181465 |
| 5modern | 178 | Jefferson, Jay C (1412) | Lost 0-2 | -191446 |
| average opponent: 1485record: 1-4 | new rating: 1446 | |||