Ditmore, Robert
Current rating: 1478
Record: 4-5
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Lee, Brandon (1500) | Won 2-1 | +181535 |
| 2standard | 34 | Vasilakis, Billy (1503) | Lost 0-2 | -191516 |
| 3standard | 422 | Sanchez, Douglas (1471) | Lost 0-2 | -191497 |
| 4standard | 545 | Gressinger, Kyle (1483) | Lost 1-2 | -181479 |
| 5standard | 485 | Morgan, Joshua (1414) | Won 2-1 | +171496 |
| 6standard | 423 | Bracamonte, Cesar (1490) | Lost 1-2 | -181478 |
| average opponent: 1477record: 2-4 | new rating: 1478 | |||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1150 | Morris, Calvin (1500) | Lost 1-2 | -181482 |
| 2sealed | 1135 | Messer, Craig (1482) | Won 2-1 | +181500 |
| 3sealed | 1122 | Walsh, Mike (1448) | Won 2-1 | +171517 |
| average opponent: 1477record: 2-1 | new rating: 1517 | |||