Ha, Ton
Current rating: 1513
Record: 4-3
| Grand Prix Brisbane 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 36 | Bennett, Ingrid (1500) | Won 2-0 | +181518 |
| 2sealed | 19 | Hinz, Levi (1462) | Won 2-1 | +171535 |
| 3sealed | 20 | Haddy, Tom (1405) | Lost 1-2 | -201515 |
| 4sealed | 64 | Cottrell, Jamie (1517) | Won 2-0 | +181533 |
| 5sealed | 55 | Somodio, Jerome (1536) | Won 2-0 | +181551 |
| 6sealed | 32 | Crewe, David (1480) | Lost 1-2 | -201531 |
| 7sealed | 44 | Simpson, Mark (1502) | Lost 0-2 | -181513 |
| average opponent: 1486record: 4-3 | new rating: 1513 | |||