Wieckowski, Jonathan
Current rating: 1394
Record: 0-6-2
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 85 | Quenoy, John D (1534) | Lost 0-2 | -171483 |
| 2sealed | 164 | Hutchison, Raka (1482) | Lost 1-2 | -181465 |
| 3sealed | 170 | Thorson, Shane (1463) | Draw 1-1 | 01465 |
| 4sealed | 186 | Waylen-Spall, Barry (1446) | Lost 0-2 | -191446 |
| 5sealed | 169 | Rafferty, Thomas (1446) | Lost 0-2 | -181428 |
| 6sealed | 146 | Shanley, Glenn (1533) | Draw 1-1 | +21430 |
| 7sealed | 123 | Leonard, Timothy (1428) | Lost 0-2 | -181412 |
| 8sealed | 105 | Kunimitsu, Masayuki (1409) | Lost 0-2 | -181394 |
| average opponent: 1468record: 0-6-2 | new rating: 1394 | |||