Vargas, Jairo
Current rating: 1467
Record: 4-6
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 422 | Kieling Neto, Clinton Rogerio (1500) | Lost 0-2 | -181486 |
| 2modern | 481 | Murga Fonseca, Daniel (1482) | Won 2-0 | +181504 |
| 3modern | 375 | Menegaz, Rafael (1453) | Lost 0-2 | -191485 |
| 4modern | 522 | Vivanco Rau, Mauro (1485) | Lost 1-2 | -181467 |
| average opponent: 1480record: 1-3 | new rating: 1467 | |||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 258 | Rivero, Santiago (1534) | Lost 0-2 | -171483 |
| 2modern | 293 | Fernando Albino Fontes, (1482) | Won 2-0 | +181501 |
| 3modern | 192 | Mendes Castanha, Julio Cesar (1500) | Lost 1-2 | -181483 |
| 4modern | 334 | Martinello da Costa, Paulo Henrique (1767) | Won 2-1 | +231506 |
| 5modern | 262 | Schwartz, Adam (1516) | Won 2-1 | +181524 |
| 6modern | 220 | Lopes Iglesias, Ricardo Augusto (1450) | Lost 1-2 | -201504 |
| average opponent: 1541record: 3-3 | new rating: 1504 | |||