Rooker, Robert
Current rating: 1508
Record: 4-4
| Grand Prix Oklahoma City 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 79 | Schroeder, Max (1680) | Lost 0-2 | -151485 |
| 2standard | 96 | Park, Yongil (1641) | Won 2-1 | +211506 |
| 3standard | 112 | Kirkpatrick, Greg (1415) | Won 2-0 | +161522 |
| 4standard | 61 | Dougherty, Levi (1522) | Won 2-0 | +181540 |
| 5standard | 63 | Nicholas, Gabriel (1723) | Lost 0-0 | -141526 |
| 6standard | 65 | Ballew, Trey (1489) | Lost 0-1 | -191507 |
| 7standard | 93 | Raines, Joseph (1619) | Won 2-1 | +201527 |
| 8standard | 68 | McCurley, Johnny (1486) | Lost 0-2 | -191508 |
| average opponent: 1572record: 4-4 | new rating: 1508 | |||