Cox, Jerry
Current rating: 1539
| Grand Prix Austin 2020 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 142 | Cooke, Aaron (1500) | Draw 1-1 | 01521 |
| 2modern | 186 | Molina, Javier (1499) | Won 2-1 | +181539 |
| 3modern | 172 | Porter, Ben (1595) | Won 2-0 | +191558 |
| 4modern | 89 | Hughes, Shawn (1567) | Won 2-0 | +181576 |
| 5modern | 45 | Martinez, Jonathan 3287 (1576) | Lost 0-2 | -181558 |
| 6modern | 114 | DeCroix-Herbert, Ryan (1503) | Lost 0-2 | -191539 |
| top | average opponent: 1540record: 3-2-1 | new rating: 1539 | ||
| Grand Prix Oklahoma City 2019 (ELD standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | Begay, Shandii (1500) | Won 1-0 | +191463 |
| 2standard | 17 | Creamer, Patrick (1502) | Draw 1-1 | +11464 |
| 3standard | 76 | Howard, Justin (1470) | Won 2-0 | +181482 |
| 4standard | 39 | Heath, Joel (1601) | Won 2-0 | +201502 |
| 5standard | 20 | Papadopoulos, John (1558) | Draw 0-0 | +11503 |
| 6standard | 43 | Chance, Brandon (1533) | Won 2-0 | +191522 |
| 7standard | 26 | Tankersley, Liam (1554) | Lost 0-2 | -181504 |
| 8standard | 47 | Newell, Josh (1462) | Won 2-0 | +171521 |
| top | average opponent: 1523record: 5-1-2 | new rating: 1521 | ||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 457 | Pugh, Preslee (1554) | Lost 0-2 | -171483 |
| 2modern | 512 | Weber, Paul (1433) | Lost 0-2 | -191464 |
| 3modern | 684 | Rockwell, Jeff (1443) | Lost 0-2 | -181446 |
| 4modern | 641 | Wise, Brian (1446) | Won 2-0 | +181464 |
| 5modern | 631 | Soderstrum, Tanner (1368) | Lost 1-2 | -201444 |
| top | average opponent: 1449record: 1-4 | new rating: 1444 | ||