Rosas, Matias I
Current rating: 1666
Record: 12-3
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 131 | Levandovski, Eduardo (1500) | Won 2-1 | +181518 |
| 2modern | 93 | Alves, Wagner (1521) | Won 2-1 | +181536 |
| 3modern | 34 | Carpes Lemos, Cleon (1536) | Won 2-1 | +181554 |
| 4modern | 3 | Brasil Junior, Claudinei (1518) | Lost 1-2 | -191535 |
| 5modern | 77 | Frigini, Luiz Claudio (1531) | Won 2-1 | +181553 |
| 6modern | 76 | Crusius, Matheus (1569) | Lost 1-2 | -171536 |
| 7modern | 96 | Bagnasco, Carlos (1531) | Won 2-1 | +181554 |
| 8modern | 91 | Eccel, Pedro (1542) | Won 2-1 | +171571 |
| 9modern | 26 | Graca, Thiago (1558) | Won 2-0 | +181589 |
| 10modern | 26 | Arenas, Christian (1769) | Won 0-0 | +211610 |
| 11modern | 10 | Aqel, Muhammad (1582) | Won 2-1 | +181628 |
| 12modern | 14 | da Costa, Ivo Rafael (1621) | Won 2-1 | +181646 |
| 13modern | 8 | Manzoni, Pedro (1687) | Won 0-0 | +181664 |
| 14modern | 3 | Wood, Gabriel Jose (1663) | Won 2-1 | +181682 |
| 15modern | 28 | Fehr, Gabriel (1786) | Lost 0-2 | -161666 |
| average opponent: 1594record: 12-3 | new rating: 1666 | |||