Macdonald, William
Current rating: 1507
Record: 13-14
| Grand Prix Melbourne 2016 (modern) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 47 | Norris, Matthew (1534) | Lost 1-2 | -181506 |
| 4modern | 230 | Johnstone, Robert (1523) | Lost 1-2 | -181488 |
| 5modern | 329 | Westhoven, Lisa (1483) | Lost 0-2 | -181470 |
| 6modern | 389 | Martin, Alex [AUS] (1485) | Won 2-0 | +181488 |
| 7modern | 308 | Cubby, Max (1499) | Won 2-0 | +191507 |
| 8modern | 225 | Thomas, Mitchell [AUS] (1518) | Lost 0-2 | -181489 |
| 9modern | 232 | Wells, Doug (1481) | Won 2-0 | +181507 |
| top | average opponent: 1503record: 3-4 | new rating: 1507 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 82 | Chao Chyun, Ching (1500) | Lost 1-2 | -181483 |
| 2modern | 340 | Koh, Shaun (1506) | Won 2-0 | +191502 |
| 3modern | 341 | Robert I lark, Mr (1482) | Won 2-0 | +171519 |
| 4modern | 194 | John Robert Godenzi, B (1518) | Lost 0-2 | -181501 |
| 5modern | 262 | Ng, Eugene (1428) | Won 2-0 | +171518 |
| 6modern | 200 | Ng, Jansen (1517) | Won 2-1 | +181536 |
| 7modern | 150 | Dunsford, Denny (1864) | Lost 0-2 | -121524 |
| top | average opponent: 1545record: 4-3 | new rating: 1524 | ||
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Brown, Sam [AUS] (1500) | Won 2-0 | +181497 |
| 2sealed | 127 | Haley, Courtney (1517) | Lost 0-2 | -171480 |
| 3sealed | 311 | Ewen, Richard (1499) | Won 2-1 | +181498 |
| 4sealed | 211 | Koestler, Jonas (2008) | Lost 1-2 | -101488 |
| 5sealed | 176 | Cook, Tristan (1684) | Won 2-1 | +221510 |
| 6sealed | 165 | Ho, Colin (1502) | Lost 1-2 | -181492 |
| 7sealed | 193 | Chung, Jason (1798) | Won 2-0 | +231515 |
| 8sealed | 123 | Yao, Shimeng (1749) | Lost 0-2 | -141501 |
| top | average opponent: 1657record: 4-4 | new rating: 1501 | ||
| Grand Prix Sydney 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Zugai, Ethan (1500) | Lost 1-2 | -181482 |
| 2sealed | 196 | Caillard, Tony (1482) | Won 2-1 | +181500 |
| 3sealed | 116 | Kershaw, Ryan (1432) | Lost 1-2 | -191481 |
| 4sealed | 205 | Linke, Johnny (1447) | Won 2-0 | +171498 |
| 5sealed | 224 | Lee, Eric [AUS] (1422) | Lost 0-2 | -191479 |
| top | average opponent: 1457record: 2-3 | new rating: 1479 | ||