Harrington, Keith
Current rating: 1445
Record: 1-4
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 537 | Castillo, Jason (1464) | Won 2-0 | +171517 |
| 2sealed | 430 | Pastorinni, Luckas (1515) | Lost 0-2 | -181499 |
| 3sealed | 572 | Hanks, James B (1500) | Lost 0-2 | -181481 |
| 4sealed | 620 | Lewis, Elio (1485) | Lost 1-2 | -181463 |
| 5sealed | 603 | Herrera, Marco (1464) | Lost 0-2 | -181445 |
| average opponent: 1486record: 1-4 | new rating: 1445 | |||