Sibley, Robert
Current rating: 1462
Record: 1-3
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 745 | Gledhill, James (1500) | Lost 0-2 | -181482 |
| 2sealed | 1168 | Durham, Lester (1482) | Won 2-1 | +181500 |
| 3sealed | 895 | Cole, Ryan (1404) | Lost 1-2 | -201480 |
| 4sealed | 1129 | Valle, Brian (1480) | Lost 1-2 | -181462 |
| average opponent: 1467record: 1-3 | new rating: 1462 | |||