Yong, Jonathan
Current rating: 1415
Record: 0-5
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 17 | Leiva, Roberto (1554) | Lost 1-2 | -171483 |
| 5sealed | 62 | Blackbourne, Daniel (1536) | Lost 1-2 | -171466 |
| 6sealed | 113 | Povey, Lyndon J (1483) | Lost 0-2 | -181448 |
| 7sealed | 107 | Di Stefano, Ben (1500) | Lost 0-2 | -171431 |
| 8sealed | 92 | Goodall, Matthew (1532) | Lost 0-2 | -161415 |
| average opponent: 1521record: 0-5 | new rating: 1415 | |||