Donoso, Marcos
Current rating: 1554
Record: 6-3
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 180 | Baeza Salgueiro, Inti (1573) | Lost 0-2 | -171483 |
| 2sealed | 235 | Gatica, Pablo (1482) | Won 2-0 | +181501 |
| 3sealed | 198 | Ly, Enrique (1521) | Won 2-0 | +191520 |
| 4sealed | 84 | Lucero, Fabian (1396) | Won 2-1 | +151535 |
| 5sealed | 135 | Fornes, Matias (1535) | Won 2-1 | +181553 |
| 6sealed | 74 | Vera, Javier (1556) | Won 2-0 | +181571 |
| 7sealed | 14 | Lopez, Jose Luis (1606) | Lost 1-2 | -171554 |
| 8sealed | 91 | Reyes, Pablo (1554) | Won 2-1 | +181572 |
| 9sealed | 25 | Perez Osan, Ramiro (1581) | Lost 0-2 | -181554 |
| average opponent: 1534record: 6-3 | new rating: 1554 | |||