Sosa, Julio
Current rating: 1575
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 16 | Di Cicco, Mario (1518) | Lost 0-2 | -181523 |
| 3sealed | 253 | Nominato, Gustavo (1581) | Won 2-1 | +191542 |
| 4sealed | 150 | Kamioka, Carlos Eduardo (1465) | Lost 0-2 | -201522 |
| 5sealed | 252 | Ikeda Norcia, Sergio Loretto (1499) | Won 2-1 | +181540 |
| 6sealed | 173 | Pereira, Otavio (1631) | Won 2-1 | +201560 |
| 7sealed | 136 | dos Santos, Everton Fernando (1535) | Won 2-0 | +171577 |
| 8sealed | 75 | da Silva Buritizal, Murilo (1510) | Lost 0-2 | -191558 |
| 9sealed | 71 | Barbosa Abib, Henrique (1512) | Won 2-1 | +171575 |
| top | average opponent: 1531record: 5-3 | new rating: 1575 | ||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 90 | Gutierrez, Eugenio (1481) | Won 2-0 | +181499 |
| 2sealed | 28 | Caldas, Wilfredo (1518) | Lost 0-2 | -171482 |
| 3sealed | 164 | Ramirez, Cristian (1500) | Won 2-1 | +181500 |
| 4sealed | 182 | Moschini, Esteban (1639) | Lost 0-2 | -151485 |
| 5sealed | 237 | Garreton, Mauricio (1532) | Won 2-1 | +191504 |
| 6sealed | 122 | Rodriguez, Juan Pablo (1518) | Won 2-0 | +181522 |
| 7sealed | 104 | Ramirez, Emerson (1466) | Won 2-0 | +171539 |
| 8sealed | 57 | Castro, Hugo E (1650) | Lost 0-2 | -161523 |
| 9sealed | 97 | Golini, Martin L (1543) | Won 2-0 | +181541 |
| top | average opponent: 1538record: 6-3 | new rating: 1541 | ||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 125 | Mendez, Leonardo (1500) | Lost 0-2 | -181482 |
| 2standard | 153 | Gonzalez, Rodrigo (1450) | Won 2-0 | +171499 |
| 3standard | 190 | Nobile de Gerard, Vinicius (1500) | Lost 1-2 | -181481 |
| 4standard | 221 | OU, Francisco (1482) | Won 2-1 | +181499 |
| 5standard | 186 | HERMIDA, HERNAN (1500) | Lost 0-2 | -181481 |
| top | average opponent: 1486record: 2-3 | new rating: 1481 | ||