Leung, Jason
Current rating: 1361
Record: 11-22-2
| Grand Prix Toronto 2019 (modern) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 161 | Mucciolo, Michael (1460) | Lost 0-2 | -181405 |
| 4modern | 213 | Endress, Mackenzie (1570) | Draw 1-1 | +31408 |
| 5modern | 277 | Masson, Alexandre (1504) | Draw 1-1 | +21410 |
| 6modern | 374 | Jeanson, Hayden (1484) | Lost 0-2 | -171393 |
| 7modern | 347 | Renaud, Pierre-Yves (1469) | Lost 0-1 | -161377 |
| 8modern | 305 | Trottier, Eric (1472) | Lost 1-2 | -161361 |
| top | average opponent: 1493record: 0-4-2 | new rating: 1361 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 330 | Mills, Cody (1565) | Won 2-0 | +211440 |
| 3modern | 155 | Yam, Richard (1540) | Won 2-1 | +201460 |
| 4modern | 73 | Galli, John (1654) | Lost 1-2 | -151445 |
| 5modern | 250 | Mathers, Avery (1637) | Lost 0-2 | -141431 |
| 6modern | 356 | Kozlowski, Jan (1516) | Lost 0-2 | -171414 |
| 7modern | 461 | McAlpin, John-Francis (1643) | Won 2-0 | +231437 |
| 8modern | 307 | Madison, Anna (1668) | Lost 0-2 | -141423 |
| top | average opponent: 1603record: 3-4 | new rating: 1423 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 339 | Frazier, Amanda (1500) | Won 2-1 | +201448 |
| 2sealed | 24 | Lawton, Steven (1518) | Lost 0-2 | -171431 |
| 3sealed | 310 | Johnson, Cooper (1449) | Lost 0-2 | -181413 |
| 4sealed | 419 | Bowen, Samuel (1487) | Won 2-0 | +201433 |
| 5sealed | 336 | Miller, Joshua (1532) | Lost 1-2 | -171416 |
| 6sealed | 411 | Barton, Brian (1486) | Won 2-0 | +201436 |
| 7sealed | 306 | Johnson, Patricia (1406) | Lost 1-2 | -191417 |
| 8sealed | 338 | Schneider, Avi (1417) | Won 2-0 | +181435 |
| 9sealed | 288 | Lopez, Brian (1562) | Lost 1-2 | -161419 |
| top | average opponent: 1484record: 4-5 | new rating: 1419 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 160 | Szepesi, Stan (1500) | Lost 1-2 | -171414 |
| 2sealed | 487 | Costa, Marino (1482) | Won 2-0 | +201434 |
| 3sealed | 532 | Siembor, Matthew (1500) | Won 2-0 | +191453 |
| 4sealed | 221 | Nogueira, Dustyn (1607) | Lost 0-2 | -151438 |
| 5sealed | 328 | Ramphal, Durell (1500) | Lost 0-2 | -171421 |
| 6sealed | 509 | Stein, Mathew (1658) | Lost 0-2 | -141407 |
| 7sealed | 459 | Buchanan, Nathan (1546) | Lost 0-2 | -161391 |
| 8sealed | 398 | Newell, Evan (1396) | Won 2-0 | +191410 |
| 9sealed | 319 | Bakelaar, Nathaniel (1457) | Won 2-0 | +181428 |
| top | average opponent: 1516record: 4-5 | new rating: 1428 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 335 | Giancoulas, Donald (1615) | Lost 0-2 | -161466 |
| 2sealed | 473 | Velzy, Mat (1482) | Lost 1-2 | -171449 |
| 3sealed | 638 | Morrill, Jason (1466) | Lost 0-2 | -181431 |
| top | average opponent: 1521record: 0-3 | new rating: 1431 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 449 | Steele, Casey (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||