Perez Osan, Ramiro
Current rating: 1638
Record: 11-4
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Morales Molina, Rodrigo (1631) | Won 2-0 | +201520 |
| 2sealed | 28 | Rojas, Benjamin (1740) | Lost 1-2 | -141506 |
| 3sealed | 248 | Guevara, Sergio (1553) | Won 2-1 | +191525 |
| 4sealed | 184 | Grinblat, Ariel (1390) | Won 2-0 | +161541 |
| 5sealed | 91 | Santibanez, Cesar (1547) | Won 2-1 | +181559 |
| 6sealed | 90 | Sanchez, Maximiliano (1809) | Lost 0-2 | -141545 |
| 7sealed | 142 | Vera, Javier (1537) | Won 2-1 | +181563 |
| 8sealed | 44 | Jottar, Francisco (1560) | Won 2-1 | +181581 |
| 9sealed | 25 | Donoso, Marcos (1572) | Won 2-0 | +181599 |
| 10draft | 3 | Cortez, Paulo Ricardo (1966) | Lost 0-2 | -121587 |
| 11draft | 37 | Segura, Esteban (1485) | Won 2-1 | +161603 |
| 12draft | 26 | Capello, Matias (1608) | Lost 1-2 | -171586 |
| 13draft | 23 | Alamo, Luciano (1538) | Won 2-1 | +171603 |
| 14draft | 10 | Cubillos Rios, Jorge (1541) | Won 2-1 | +171620 |
| 15draft | 11 | Martinez, Sebastian [CHL] (1617) | Won 2-1 | +181638 |
| average opponent: 1606record: 11-4 | new rating: 1638 | |||