Leung, Jonathan
Current rating: 1531
Record: 9-7
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 282 | Webber, Robin (1472) | Lost 1-2 | -191481 |
| 2sealed | 256 | Lendvai-Lintner, Robert (1461) | Won 2-0 | +181499 |
| 3sealed | 338 | Blair, Tyler (1398) | Won 2-1 | +161515 |
| 4sealed | 174 | Foster, Reigh (1517) | Won 2-0 | +181533 |
| 5sealed | 83 | Bradner, Greggory (1538) | Lost 1-2 | -181515 |
| 6sealed | 221 | Banek, Gregory (1432) | Won 2-0 | +171532 |
| 7sealed | 143 | Bruno, Sean (1474) | Won 2-0 | +171549 |
| 8sealed | 116 | Rowan, Richard (1556) | Lost 0-2 | -181531 |
| average opponent: 1481record: 5-3 | new rating: 1531 | |||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 18 | Hoffman, Jeff (1500) | Lost 1-2 | -181482 |
| 2extended | 129 | Ho, Kim-Kiu (1481) | Won 2-1 | +181500 |
| 3extended | 77 | He, Tony (1499) | Lost 1-2 | -181482 |
| 4extended | 145 | Fox, Chris (1502) | Lost 1-2 | -181464 |
| 5extended | 164 | Mioch, Zayne (1464) | Won 2-0 | +181482 |
| 6extended | 130 | Standal, Andrew (1480) | Won 2-0 | +181500 |
| 7extended | 97 | Pearcy, Riley (1499) | Won 2-1 | +181518 |
| 8extended | 69 | Glasser, Roger (1502) | Lost 0-2 | -181500 |
| average opponent: 1491record: 4-4 | new rating: 1500 | |||