Grob, Jonathan
Current rating: 1641
Record: 14-7-1
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 187 | Bokath, Steve (1517) | Draw 1-1 | -21607 |
| 3standard | 281 | Gleicher, David (1768) | Won 2-1 | +211628 |
| 4standard | 154 | Neuman, Tim (1715) | Lost 0-2 | -161612 |
| 5standard | 277 | Bonshire, Nate (1545) | Won 2-0 | +161628 |
| 6standard | 181 | Rodeen, Thomas (1544) | Lost 1-2 | -191609 |
| 7standard | 281 | Thompson, Kirby (1517) | Won 2-1 | +161625 |
| 8standard | 192 | Schmidt, Brian (1524) | Won 2-0 | +161641 |
| average opponent: 1590record: 4-2-1 | new rating: 1641 | |||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 150 | Nichols, Gary (1428) | Won 2-0 | +171517 |
| 2standard | 70 | Eberlin, Adam (1518) | Won 2-1 | +181535 |
| 3standard | 78 | Jones, Brandon (1575) | Won 2-0 | +181553 |
| 4standard | 54 | Ruiz, Henry (1552) | Won 2-1 | +181571 |
| 5standard | 52 | Lussier, Dustin (1515) | Lost 0-0 | -191552 |
| 6standard | 86 | Johnson, Alex (1636) | Lost 0-2 | -161536 |
| 7standard | 165 | Hartman, Neil (1435) | Won 2-0 | +161552 |
| 8standard | 121 | Carroll, Jacob (1594) | Won 2-0 | +191571 |
| 9standard | 82 | Yeh, Chih-Cheng (1555) | Won 2-1 | +181589 |
| 10standard | 48 | Heng, Chye Hwee (1848) | Won 2-0 | +221611 |
| 11standard | 38 | Braun-Duin, Brian (1954) | Lost 1-2 | -121599 |
| 12standard | 48 | Karasek, Jerad (1604) | Won 2-1 | +181617 |
| 13standard | 69 | Jansen, Adam (1919) | Won 2-0 | +241641 |
| 14standard | 45 | Mehochko, Mark (1725) | Lost 1-2 | -171624 |
| 15standard | 53 | Bemrose, Ryan (1774) | Lost 0-2 | -151609 |
| average opponent: 1642record: 10-5 | new rating: 1609 | |||