Estrin, Ian
Current rating: 1500
Record: 3-3
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Barnett, Jessica (1500) | Lost 0-2 | -181482 |
| 2sealed | 132 | Chauvet, Christopher (1482) | Won 2-0 | +181500 |
| 3sealed | 161 | Ruiz Diaz, Christian (1482) | Lost 0-2 | -181482 |
| 4sealed | 190 | Busnelli, Roberto (1484) | Won 2-0 | +181500 |
| 5sealed | 197 | Maleszewski, Chet (1505) | Won 2-0 | +181518 |
| 6sealed | 155 | Landgren, Owen (1520) | Lost 0-2 | -181500 |
| average opponent: 1496record: 3-3 | new rating: 1500 | |||