Robinson, Ken
Current rating: 1481
Record: 2-3
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 525 | Reyes, Jericho (1500) | Won 2-1 | +181518 |
| 2sealed | 482 | Padilla Chinas, Jorge (1490) | Lost 1-2 | -191499 |
| 3sealed | 521 | Temple, Keith (1482) | Lost 0-2 | -181481 |
| 4sealed | 594 | Leo, Jonny (1463) | Won 2-1 | +181499 |
| 5sealed | 561 | Cobb, James L (1498) | Lost 0-2 | -181481 |
| average opponent: 1487record: 2-3 | new rating: 1481 | |||