Jacobs, Justin
Current rating: 1472
Record: 6-8-1
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Bash, Jacob (1500) | Won 2-1 | +191482 |
| 2sealed | 196 | Bender, David (1638) | Lost 1-2 | -151467 |
| 3sealed | 405 | Hwong, Alexander (1530) | Won 2-0 | +191486 |
| 4sealed | 398 | Foodym, David (1483) | Lost 0-2 | -181468 |
| 5sealed | 371 | Lee, Eddric (1481) | Won 2-0 | +181486 |
| 6sealed | 289 | Nikolic, Alex (1627) | Draw 1-1 | +31489 |
| 7sealed | 265 | Zell, Susan (1539) | Lost 0-2 | -171472 |
| average opponent: 1543record: 3-3-1 | new rating: 1472 | |||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 590 | Jahn, Ryan (1520) | Lost 0-2 | -181482 |
| 2modern | 931 | Allmon, Cody (1482) | Won 2-1 | +181500 |
| 3modern | 768 | Smith, Michael (1453) | Lost 0-2 | -191481 |
| 4modern | 1110 | Graves, Austin (1514) | Won 2-1 | +191500 |
| 5modern | 559 | Babcock, Grant (1624) | Lost 1-2 | -161484 |
| 6modern | 651 | Smith, Jimmie (1545) | Won 2-0 | +191503 |
| 7modern | 556 | Sunseri, Jeremy (1334) | Lost 0-2 | -211482 |
| 8modern | 602 | Canann, Jefferson (1428) | Lost 0-2 | -191463 |
| average opponent: 1488record: 3-5 | new rating: 1463 | |||