Kniffen, Jacob
Current rating: 1482
Record: 2-3
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 301 | Fuentes, Oscar (1488) | Won 2-0 | +181518 |
| 2sealed | 215 | Reif, Marcus (1518) | Won 2-1 | +181536 |
| 3sealed | 103 | Hertz, Michael (1534) | Lost 0-2 | -181518 |
| 4sealed | 349 | James, Don (1510) | Lost 0-2 | -181500 |
| 5sealed | 424 | stephens, seth (1498) | Lost 1-2 | -181482 |
| average opponent: 1510record: 2-3 | new rating: 1482 | |||