Key, Jacob
Current rating: 1584
Record: 10-6
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 178 | Perry, Logan (1583) | Lost 0-2 | -171550 |
| 2modern | 700 | O'Shea, Michael (1482) | Won 2-1 | +161566 |
| 3modern | 588 | Calle, Christopher (1616) | Lost 0-2 | -171549 |
| 4modern | 739 | Washington, John (1482) | Won 2-1 | +171566 |
| 5modern | 498 | Martin, Clyde (1621) | Won 2-1 | +191585 |
| 6modern | 583 | Pastorinni, Luckas (1657) | Won 2-0 | +191604 |
| 7modern | 322 | Jasiekiewicz, Michael (1473) | Lost 0-2 | -201584 |
| average opponent: 1559record: 4-3 | new rating: 1584 | |||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 635 | Jobe, Sean (1500) | Won 2-1 | +181518 |
| 2standard | 676 | Wirth, Michael (1453) | Won 2-0 | +171535 |
| 3standard | 632 | Aviles, Ivan (1538) | Won 2-1 | +181553 |
| 4standard | 533 | Shane, Kyle (1664) | Won 2-0 | +201573 |
| 5standard | 517 | Turtenwald, Owen (2182) | Lost 0-2 | -81565 |
| 6standard | 490 | Jakimavicius, Martin (1554) | Won 2-0 | +181583 |
| 7standard | 533 | Dobbin, Jack (1765) | Lost 1-2 | -151568 |
| 8standard | 547 | Dow, Shae (1553) | Won 2-1 | +181586 |
| 9standard | 516 | Ang, Wei Zou (1569) | Lost 1-2 | -191567 |
| average opponent: 1642record: 6-3 | new rating: 1567 | |||