Ossandon, Joaquin R
Current rating: 1410
Record: 2-7
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 163 | Morales, Patricio (1500) | Lost 1-2 | -181482 |
| 2sealed | 224 | Zepeda, Ivan (1506) | Lost 0-2 | -181464 |
| 3sealed | 301 | Concha, Ivan (1464) | Lost 0-2 | -181446 |
| 4sealed | 339 | Labra, German (1446) | Won 2-1 | +181464 |
| 5sealed | 281 | Ramirez, Cristian (1463) | Lost 0-2 | -181446 |
| 6sealed | 294 | Oliveira Carneiro, Ulisses (1446) | Lost 0-2 | -181428 |
| 7sealed | 255 | Ruiz, Andres (1428) | Lost 0-2 | -181410 |
| 8sealed | 204 | Cotte, Rodrigo (1393) | Won 2-1 | +181428 |
| 9sealed | 158 | Rojas, Enrique (1428) | Lost 0-2 | -181410 |
| average opponent: 1453record: 2-7 | new rating: 1410 | |||