Herman, Jason
Current rating: 1559
| Grand Prix Montreal 2015 (DTK limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 92 | Allen, Jonathan (1687) | Won 2-1 | +221533 |
| 3sealed | 101 | Bathurst, Scott (1485) | Lost 0-2 | -191514 |
| 4sealed | 220 | Cabal, Vincent (1552) | Won 2-0 | +181532 |
| 5sealed | 180 | Schapurga, Kyle (1477) | Won 2-1 | +171549 |
| 6sealed | 99 | Pine, Michael (1610) | Won 2-0 | +191568 |
| 7sealed | 32 | Hooper, Kyle (1687) | Lost 1-2 | -151553 |
| 8sealed | 100 | Burdzy, Walter (1549) | Won 2-0 | +181571 |
| 9sealed | 72 | Tenjum, Andrew (1967) | Lost 1-2 | -121559 |
| top | average opponent: 1627record: 5-3 | new rating: 1559 | ||
| Grand Prix Ottawa 2014 (KTK limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 184 | Strickland, David (1520) | Won 2-0 | +181550 |
| 3sealed | 238 | Warkentin, Colby (1541) | Lost 1-2 | -181532 |
| 4sealed | 239 | Adams, Michael (1449) | Lost 0-2 | -191513 |
| 5sealed | 313 | Hebert, Myles (1441) | Won 2-0 | +161529 |
| 6sealed | 214 | Ciarroni, Steven (1537) | Lost 0-2 | -181511 |
| top | average opponent: 1498record: 2-3 | new rating: 1511 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 159 | Chan, Philip (1467) | Won 2-0 | +171517 |
| 4sealed | 113 | Dufour, Terrence (1554) | Lost 0-2 | -171500 |
| 5sealed | 102 | Campbell, Seamus (1645) | Won 2-1 | +211521 |
| 6sealed | 132 | Lozinski, Daniel (1559) | Won 2-1 | +181539 |
| 7sealed | 67 | Kaplow, Robert (1573) | Won 2-1 | +191558 |
| 8sealed | 33 | Hayne, Alexander (2100) | Lost 0-2 | -91549 |
| 9sealed | 47 | Baumiller, Ronald (1628) | Lost 1-2 | -171532 |
| top | average opponent: 1647record: 4-3 | new rating: 1532 | ||