da Rosa Decker, Marcus Vinicius
Current rating: 1598
Record: 13-8
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 88 | Rodrigues Ferreira, Pedro Henrique (1500) | Won 2-1 | +171540 |
| 2modern | 147 | Hoici Brunini, Pedro Jose (1518) | Lost 0-2 | -181522 |
| 3modern | 458 | Karim Bueno, Igor (1500) | Won 2-1 | +181540 |
| 4modern | 366 | Paes Da Silva, Andre Luiz (1517) | Won 2-1 | +171557 |
| 5modern | 136 | De Sousa Silva, Rodrigo (1527) | Won 2-0 | +181575 |
| 6modern | 132 | Garcia, Martin (1569) | Won 2-0 | +171592 |
| 7modern | 60 | Grillo, Arthur (1704) | Won 2-1 | +211613 |
| 8modern | 39 | Souza, Joao Claudio (1684) | Won 2-1 | +191632 |
| 9modern | 26 | Epstein, Nicolas (1747) | Lost 0-2 | -161616 |
| 10modern | 37 | Cesar Matos, Aldo (1592) | Lost 1-2 | -191597 |
| 11modern | 78 | Monsalve, Juan (1654) | Lost 1-2 | -161581 |
| 12modern | 94 | Echevarria, Guzman (1554) | Won 2-1 | +171598 |
| 13modern | 69 | Percario, Nicolas (1629) | Won 2-1 | +191617 |
| 14modern | 52 | Ferrari, Henrique (1601) | Lost 0-2 | -191598 |
| average opponent: 1593record: 9-5 | new rating: 1598 | |||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 133 | Pacheco, Gustavo (1397) | Won 2-1 | +161516 |
| 4modern | 43 | Peixoto Dias, Vinicius (1524) | Lost 0-2 | -181498 |
| 5modern | 129 | Pereira e Silva, Rodrigo Andre (1535) | Won 2-0 | +191517 |
| 6modern | 48 | Andrade, Lucas3349 (1553) | Won 2-0 | +191536 |
| 7modern | 24 | Teixeira, Adimar (1537) | Won 2-1 | +181554 |
| 8modern | 17 | Rocha Dutra, Juliano (1589) | Lost 0-2 | -181536 |
| 9modern | 57 | Enriquez Mayoral, Jesus Edgar (1787) | Lost 0-2 | -131523 |
| average opponent: 1560record: 4-3 | new rating: 1523 | |||