Janson, Corey
Current rating: 1496
Record: 8-8
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2317 | Libois, Pierre (1446) | Lost 0-2 | -191520 |
| 2sealed | 2266 | Dimitrov, Petar (1482) | Lost 0-2 | -191501 |
| 3sealed | 2411 | Markvoort, Ruben (1462) | Won 2-0 | +171518 |
| 4sealed | 2331 | Heylen, Ivo (1340) | Lost 0-2 | -211497 |
| 5sealed | 2354 | Caubergs, Bjorn (1462) | Won 2-0 | +171514 |
| 6sealed | 2285 | Roberts, Katie (1445) | Won 2-0 | +171531 |
| 7sealed | 2225 | Varano, Enrico (1498) | Lost 0-2 | -181513 |
| 8sealed | 2173 | Sardjan, Danny (1584) | Lost 0-2 | -171496 |
| average opponent: 1465record: 3-5 | new rating: 1496 | |||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 183 | White, Elsbeth (1500) | Won 2-1 | +181518 |
| 2modern | 133 | Rauch, Lindsey (1572) | Lost 0-2 | -171501 |
| 3modern | 311 | Lowe, Jeff (1446) | Won 2-0 | +171518 |
| 4modern | 146 | Hunsaker, Rob (1558) | Won 2-1 | +191537 |
| 5modern | 152 | Uhlenbruck, Peter (1535) | Lost 1-2 | -181519 |
| 6modern | 273 | Routledge, Jeffrey (1544) | Won 2-1 | +181537 |
| 7modern | 211 | Leonard, Tyson (1543) | Won 2-0 | +181555 |
| 8modern | 83 | Matheson, Roland (1673) | Lost 1-2 | -161539 |
| average opponent: 1546record: 5-3 | new rating: 1539 | |||