Jacobsen, Isaac
Current rating: 1465
Record: 4-6
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 652 | Jew, Alex (1500) | Lost 1-2 | -181445 |
| 2sealed | 711 | McCallum, Jared (1482) | Won 2-0 | +191464 |
| 3sealed | 581 | Drew, Ross (1503) | Lost 0-0 | -171447 |
| 4sealed | 768 | Dubinin, Nikita (1483) | Won 2-0 | +181465 |
| average opponent: 1492record: 2-2 | new rating: 1465 | |||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 326 | Sai, Cy Latt (1445) | Lost 1-2 | -191481 |
| 2modern | 315 | Long, Kasey (1482) | Lost 0-2 | -181463 |
| 3modern | 484 | Morgan, Jackson (1461) | Won 2-0 | +181481 |
| 4modern | 367 | Bakerman, Spencer (1482) | Lost 0-2 | -181463 |
| 5modern | 453 | Tuff, Clinton (1448) | Won 2-0 | +181481 |
| 6modern | 319 | Minturn, John (1483) | Lost 0-2 | -181463 |
| average opponent: 1467record: 2-4 | new rating: 1463 | |||