Warren, Robert
Current rating: 1480
Record: 1-2-1
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Kroutil, Matt (1481) | Lost 1-2 | -181482 |
| 2sealed | 400 | Kenton, Jeremy (1482) | Won 2-0 | +181500 |
| 3sealed | 400 | Glenn, Trey (1447) | Draw 1-1 | -11499 |
| 4sealed | 445 | Rutledge, Craig (1434) | Lost 1-2 | -191480 |
| average opponent: 1461record: 1-2-1 | new rating: 1480 | |||