Costarelli, Ignacio
Current rating: 1481
Record: 3-4
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 235 | Soto, Alejandro (1500) | Won 2-0 | +181518 |
| 2sealed | 39 | Valerio, Robert (1485) | Lost 1-2 | -191499 |
| 3sealed | 231 | Silva, Eduardo N (1500) | Won 2-0 | +181517 |
| 4sealed | 177 | Pizarro, Ivan (1517) | Won 2-0 | +181535 |
| 5sealed | 52 | Enriquez, Jorge L (1536) | Lost 1-2 | -181517 |
| 6sealed | 125 | Silva, Igor Magno (1520) | Lost 0-2 | -181499 |
| 7sealed | 198 | Casanova, Sergio (1499) | Lost 1-2 | -181481 |
| average opponent: 1508record: 3-4 | new rating: 1481 | |||