Mederano, Fernando
Current rating: 1449
Record: 1-4
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Inostroza, Carlos (1500) | Won 2-0 | +181518 |
| 2sealed | 31 | Macias, Cristian (1518) | Lost 0-2 | -181500 |
| 3sealed | 172 | Yaya, Jeremias J (1556) | Lost 0-2 | -171483 |
| 4sealed | 285 | Castro, Hugo E (1585) | Lost 0-2 | -161467 |
| 5sealed | 319 | Henriquez, Roberto I (1464) | Lost 0-2 | -181449 |
| average opponent: 1525record: 1-4 | new rating: 1449 | |||