Harrison, Sean
Current rating: 1503
Record: 4-4
| Grand Prix Oklahoma City 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2 | Gooch, Donald (1481) | Won 2-0 | +181518 |
| 2standard | 62 | Russi, Michael (1699) | Lost 0-2 | -151503 |
| 3standard | 139 | Pope, Jon (1508) | Won 2-0 | +181521 |
| 4standard | 57 | Dempewolf, Joseph (1524) | Won 2-1 | +181539 |
| 5standard | 22 | Heath, Dustin (1549) | Lost 0-0 | -181521 |
| 6standard | 57 | Murray, Daniel (1519) | Won 2-1 | +181539 |
| 7standard | 30 | Cantergiani, Kade (1644) | Lost 1-2 | -161523 |
| 8standard | 76 | Gulick, Kory (1393) | Lost 1-2 | -201503 |
| average opponent: 1540record: 4-4 | new rating: 1503 | |||