MacArthur, David
Current rating: 1462
| Grand Prix Sydney 2003 (MRD limited) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Fox, Michael (1500) | Lost 1-2 | -161398 |
| 2sealed | 71 | Lui, Kevin (1482) | Won 2-0 | +191417 |
| 3sealed | 85 | Hill, Corey (1499) | Lost 0-2 | -161401 |
| 4sealed | 102 | Jolley, Bradley (1482) | Won 2-0 | +191420 |
| 5sealed | 89 | Brumby, Gene (1529) | Won 2-0 | +201440 |
| 6sealed | 59 | Nguyen, Early (1468) | Lost 1-2 | -171423 |
| 7sealed | 83 | Egan, Owen (1505) | Won 2-1 | +191442 |
| 8sealed | 66 | Murnain, Alaric (1533) | Won 2-1 | +201462 |
| top | average opponent: 1500record: 5-3 | new rating: 1462 | ||
| Grand Prix Brisbane 2001 (ODY limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 9 | Edwards, Daniel J. (1554) | Lost 0-2 | -161465 |
| 5sealed | 23 | Wood, Stephen [AUS] (1532) | Lost 1-2 | -171448 |
| 6sealed | 46 | Fittock, Chris (1517) | Lost 1-2 | -171431 |
| 7sealed | 55 | Bruce, Bronwyn (1485) | Lost 0-2 | -171414 |
| top | average opponent: 1522record: 0-4 | new rating: 1414 | ||
| Grand Prix Sydney 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 25 | Semmens, Matthew (1500) | Won 2-1 | +181518 |
| 2extended | 31 | Marodic, Ivan (1518) | Won 2-0 | +181536 |
| 3extended | 9 | Brumby, Gene (1535) | Lost 1-2 | -181518 |
| 4extended | 59 | Nelson, Lucas (1500) | Lost 0-2 | -181500 |
| 5extended | 68 | Casssar, Marcus (1499) | Lost 0-2 | -181482 |
| 6extended | 66 | Barry, Tyson (1482) | Won 2-0 | +181500 |
| 7extended | 62 | Johnston, Glen (1483) | Lost 1-2 | -191481 |
| top | average opponent: 1502record: 3-4 | new rating: 1481 | ||