Hearn, Grant
Current rating: 1483
Record: 2-3
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 322 | Rinaldi, Ashley (1500) | Won 2-1 | +181518 |
| 2sealed | 324 | Tai, Yan Hao (1518) | Lost 1-2 | -181500 |
| 3sealed | 365 | Olson, Daniel A (1483) | Won 2-1 | +181518 |
| 4sealed | 285 | Colburn, John (1496) | Lost 0-2 | -191499 |
| 5sealed | 442 | McNeely, Aaron (1586) | Lost 1-2 | -161483 |
| average opponent: 1517record: 2-3 | new rating: 1483 | |||