Della Mea, Ernesto Ostjen
Current rating: 1491
Record: 3-4
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 71 | Pini, Pablo (1541) | Won 2-0 | +191519 |
| 2modern | 146 | Tostes Lemos, Rodolfo (1518) | Won 2-0 | +181537 |
| 3modern | 97 | Lopes Iglesias, Ricardo Augusto (1465) | Won 2-1 | +161553 |
| 4modern | 45 | Borges, Eduardo (1832) | Lost 0-2 | -131540 |
| 5modern | 88 | Dos Anjos, Mateus (1743) | Lost 1-2 | -141526 |
| 6modern | 208 | Batista Ferreira, Marlos (1566) | Lost 1-2 | -171509 |
| 7modern | 172 | De Campos Dorini, Ricardo (1518) | Lost 0-2 | -181491 |
| average opponent: 1598record: 3-4 | new rating: 1491 | |||