Santos, Marcello
Current rating: 1556
Record: 6-3
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 106 | Pereira, Adriano (1573) | Won 2-1 | +191519 |
| 2modern | 2 | Batista Ferreira, Marlos (1558) | Lost 1-2 | -171502 |
| 3modern | 279 | Puhl, Mauro (1499) | Lost 0-2 | -181484 |
| 4modern | 281 | De Liz, Rafael Gregorio (1399) | Won 2-0 | +161500 |
| 5modern | 230 | Batista, Hermes (1500) | Won 2-0 | +181518 |
| 6modern | 139 | Britez, Maximiliano (1506) | Won 2-0 | +181536 |
| 7modern | 127 | Chiappa, Renzo (1707) | Lost 1-2 | -151521 |
| 8modern | 120 | Junior, Ricardo (1481) | Won 2-0 | +181539 |
| 9modern | 112 | Frigini, Luiz Claudio (1532) | Won 2-0 | +171556 |
| average opponent: 1528record: 6-3 | new rating: 1556 | |||