Parmeggiani da Costa, Romulo
Current rating: 1451
Record: 2-5
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 60 | Cingolani, Julian (1643) | Lost 0-2 | -151485 |
| 2modern | 264 | Gomes, Joao (1550) | Won 2-1 | +191504 |
| 3modern | 312 | Kotzias, Gregorio (1541) | Lost 0-2 | -181486 |
| 4modern | 304 | Schwartz, Adam (1498) | Lost 0-2 | -171469 |
| 5modern | 329 | Lopes, Voltaire (1464) | Won 2-0 | +181487 |
| 6modern | 275 | Lehmen, Roberto (1484) | Lost 1-2 | -181469 |
| 7modern | 221 | Nery Neto, Hernany (1469) | Lost 0-2 | -181451 |
| average opponent: 1521record: 2-5 | new rating: 1451 | |||