Brown, Mark J
Current rating: 1462
Record: 4-6
| Grand Prix Sydney 2003 (MRD limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 47 | Copus, Lee (1498) | Lost 0-2 | -181498 |
| 3sealed | 79 | Lappin, Sean (1499) | Lost 1-2 | -181480 |
| 4sealed | 118 | Chau, Fan (1465) | Lost 1-2 | -181462 |
| average opponent: 1487record: 0-3 | new rating: 1462 | |||
| Grand Prix Melbourne 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Berger, Ernie (1500) | Won 2-0 | +181518 |
| 2sealed | 20 | Edwards, David [AUS] (1500) | Lost 0-2 | -181500 |
| 3sealed | 54 | Florczak, Matthew (1500) | Won 2-1 | +181518 |
| 4sealed | 48 | Wong, Minga (1482) | Lost 1-2 | -191499 |
| 5sealed | 68 | Ye, James (1499) | Won 2-1 | +181517 |
| 6sealed | 58 | Gage, James (1519) | Won 2-1 | +181535 |
| 7sealed | 43 | Bailey, Andrew (1485) | Lost 1-2 | -191516 |
| average opponent: 1498record: 4-3 | new rating: 1516 | |||