Gajko, Marcelo
Current rating: 1538
Record: 5-3-1
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 29 | Guazzelli, Pedro (1500) | Lost 0-2 | -181482 |
| 2standard | 131 | Heringer, Diogo (1483) | Won 2-1 | +181500 |
| 3standard | 219 | Fontana, Eduardo (1480) | Won 2-1 | +181518 |
| 4standard | 96 | Vilas Boas, Paulo Eduardo (1430) | Won 2-0 | +161534 |
| 5standard | 60 | Labruna, Leonardo (1646) | Lost 0-2 | -161518 |
| 6standard | 130 | Soares Ferreira, Carlos Eduardo (1519) | Draw 1-1 | 01518 |
| 7standard | 129 | Joly Rodrigues, Lucas (1524) | Won 2-1 | +181536 |
| 8standard | 94 | Pinto, Renato (1629) | Won 2-0 | +201556 |
| 9standard | 65 | Reis, Bernardo (1586) | Lost 1-2 | -181538 |
| average opponent: 1533record: 5-3-1 | new rating: 1538 | |||