Williamson, Nicholas
Current rating: 1445
Record: 2-5
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 460 | Frazier, Trevor (1500) | Won 2-0 | +181518 |
| 2sealed | 308 | Stuckert, Colin (1502) | Lost 0-2 | -181500 |
| 3sealed | 407 | Jensen, Matthew D (1465) | Lost 0-2 | -191481 |
| 4sealed | 524 | McManus, James (1483) | Lost 0-2 | -181463 |
| 5sealed | 526 | BlueJacket, Madison (1464) | Lost 0-2 | -181445 |
| 6sealed | 451 | Sevaria, Devan (1447) | Won 2-0 | +181463 |
| 7sealed | 387 | Tinsman, Tom (1442) | Lost 0-2 | -181445 |
| average opponent: 1472record: 2-5 | new rating: 1445 | |||