Jacobson, Aaron
Current rating: 1526
Record: 9-8
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 85 | Guerrero, Stephen (1375) | Won 2-0 | +151544 |
| 2modern | 284 | Bisbee, Christopher (1517) | Lost 1-2 | -191525 |
| 3modern | 465 | Russell, Johnny (1496) | Lost 1-2 | -181507 |
| 4modern | 461 | Wise, James (1496) | Won 2-1 | +181525 |
| 5modern | 351 | Hall, Kristopher (1556) | Won 2-1 | +181543 |
| 6modern | 263 | Varney, Roy (1575) | Lost 1-2 | -171526 |
| average opponent: 1503record: 3-3 | new rating: 1526 | |||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 731 | Culos, Garrett (1500) | Won 2-0 | +181518 |
| 2sealed | 229 | Nguyen, Thanh (1520) | Won 2-1 | +181536 |
| 3sealed | 223 | Bonde, Michael (2032) | Lost 0-0 | -101526 |
| 4sealed | 510 | Lemky, Travis (1523) | Won 2-1 | +181544 |
| 5sealed | 127 | Mummery, Ryan (1533) | Lost 1-2 | -181526 |
| 6sealed | 384 | Tauber, Mykel (1533) | Won 2-1 | +181544 |
| 7sealed | 163 | Chen, Cliff (1646) | Won 2-0 | +201564 |
| 8sealed | 109 | Wu, Gavin (1585) | Won 2-0 | +191583 |
| 9sealed | 148 | Falk, Coleman (1599) | Lost 0-2 | -181565 |
| 10draft | 121 | Huiras, William (1566) | Lost 0-2 | -181547 |
| 11draft | 80 | Pryce, Avery (1542) | Lost 0-2 | -181529 |
| average opponent: 1598record: 6-5 | new rating: 1529 | |||