De Weerd, Charles
Current rating: 1463
Record: 3-5
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Keech, Alex (1500) | Lost 1-2 | -181482 |
| 2sealed | 101 | Rohrlach, Steve (1482) | Won 2-1 | +181500 |
| 3sealed | 122 | Appudurai, Rohan (1500) | Lost 0-2 | -181482 |
| 4sealed | 162 | Shum, Edmund (1497) | Lost 0-2 | -181464 |
| 5sealed | 157 | O'Keefe, Jai (1414) | Won 2-0 | +171481 |
| 6sealed | 125 | Boadle, Henry (1483) | Lost 0-2 | -181463 |
| 7sealed | 115 | Larcombe, Matthew (1463) | Lost 1-2 | -181445 |
| 8sealed | 102 | Leonard, Timothy (1446) | Won 2-1 | +181463 |
| average opponent: 1473record: 3-5 | new rating: 1463 | |||