Cheong, Weng Sun
Current rating: 1540
Record: 5-3
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 30 | Phillips, Sam (1500) | Won 2-1 | +181518 |
| 2sealed | 77 | Salmon, Andrew [AUS] (1484) | Lost 0-2 | -191499 |
| 3sealed | 116 | Woods, Mal (1500) | Won 2-0 | +181517 |
| 4sealed | 87 | Cheok, Joey (1519) | Won 2-1 | +181535 |
| 5sealed | 86 | Oks, Oliver (1841) | Lost 1-2 | -121523 |
| 6sealed | 116 | Falkenberg, Jarrad (1517) | Lost 0-2 | -181505 |
| 7sealed | 102 | Constantine, Ranjith (1470) | Won 2-1 | +171522 |
| 8sealed | 85 | Stevens, Jason (1515) | Won 2-1 | +181540 |
| average opponent: 1543record: 5-3 | new rating: 1540 | |||