Rosenberg, Marcela
Current rating: 1402
Record: 4-10-1
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 307 | Frigerio, Danilo (1500) | Won 2-0 | +201431 |
| 2sealed | 18 | Cepeda, Carlos (1428) | Draw 1-1 | 01431 |
| 3sealed | 144 | Montes, Rommel (1451) | Won 2-0 | +181449 |
| 4sealed | 71 | Arenas, Christian (1733) | Lost 0-2 | -131436 |
| 5sealed | 151 | Paiva, Felipe (1521) | Lost 0-2 | -161420 |
| 6sealed | 212 | Gebauer, Vicente (1450) | Lost 0-2 | -181402 |
| average opponent: 1514record: 2-3-1 | new rating: 1402 | |||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 160 | Golini, Martin L (1500) | Lost 1-2 | -181482 |
| 2sealed | 225 | Parra N, Juan L L (1482) | Lost 1-2 | -181464 |
| 3sealed | 274 | Lagos, Raphael (1464) | Won 2-1 | +181482 |
| 4sealed | 248 | Alamo, Luciano (1482) | Lost 0-2 | -181464 |
| 5sealed | 280 | Rojas, Nicolas (1465) | Won 2-0 | +181482 |
| 6sealed | 223 | Chomali, Jorge (1481) | Lost 1-2 | -181464 |
| 7sealed | 232 | Garcia, Ignacio Javier (1467) | Lost 0-2 | -181446 |
| 8sealed | 194 | Osorio Espinola, Pablo (1466) | Lost 1-2 | -181428 |
| 9sealed | 160 | Zapata, Alfonso (1468) | Lost 1-2 | -171411 |
| average opponent: 1475record: 2-7 | new rating: 1411 | |||