Grillo, Arthur
Current rating: 1677
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1647 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 287 | Moura, Wendel (1500) | Won 2-0 | +161663 |
| 2modern | 98 | Leite, Aldo (1521) | Lost 0-2 | -211642 |
| 3modern | 542 | Rocha, Lucas (1500) | Won 2-0 | +161658 |
| 4modern | 236 | Vale, Rafael (1555) | Won 2-1 | +161674 |
| 5modern | 167 | De Almeida Mello, Lucas (1517) | Won 2-1 | +151689 |
| 6modern | 78 | Santos, Hamilton (1513) | Won 2-0 | +151704 |
| 7modern | 60 | da Rosa Decker, Marcus Vinicius (1592) | Lost 1-2 | -201684 |
| 8modern | 174 | Silva, Igor Magno (1654) | Won 2-0 | +171701 |
| 9modern | 114 | da Costa, Hugo (1560) | Won 2-1 | +161717 |
| 10modern | 69 | Motta, Ricardo (1550) | Won 2-1 | +151732 |
| 11modern | 41 | Karam, Vinicius (1682) | Lost 0-2 | -191713 |
| 12modern | 49 | Sifuentes, Francisco (1851) | Lost 0-2 | -161697 |
| 13modern | 56 | Portela Leal, Leonardo (1600) | Lost 0-2 | -201677 |
| top | average opponent: 1584record: 8-5 | new rating: 1677 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 207 | Arrada, Guilherme Domingues (1500) | Won 2-0 | +181540 |
| 2modern | 39 | Santos, Mauro Fylipe (1472) | Won 2-0 | +171557 |
| 3modern | 6 | Oliveira Bairrinhos, Eduardo (1536) | Won 2-1 | +171574 |
| 4modern | 39 | Barciella, Francisco (1599) | Won 2-0 | +191593 |
| 5modern | 33 | Cunha, Luis (1573) | Won 2-0 | +171610 |
| 6modern | 22 | Lopes de Souza, Pedro (1560) | Lost 0-2 | -191591 |
| 7modern | 65 | Casatti, Vagner William (1856) | Won 2-1 | +231614 |
| 8modern | 34 | Oyadomari, Winston (1571) | Won 2-0 | +171631 |
| 9modern | 12 | Tognoli, Carlos Eduardo (1600) | Lost 0-2 | -181613 |
| 10modern | 55 | Caixeta, Daniel (1563) | Won 2-0 | +171630 |
| 11modern | 25 | Amaral De Silva, Leonardo (1664) | Won 2-0 | +181648 |
| 12modern | 14 | Sousa, Ramon (1624) | Lost 1-2 | -181630 |
| 13modern | 29 | Cosme Da Silva, Joao Daniel (1619) | Lost 1-2 | -181612 |
| 14modern | 36 | Siqueira Filho, Gustavo (1597) | Won 2-1 | +181630 |
| 15modern | 36 | Ferreira Diniz, Guilherme (1622) | Won 2-1 | +171647 |
| top | average opponent: 1597record: 11-4 | new rating: 1647 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 110 | Batista, Hermes (1500) | Won 2-0 | +181518 |
| 2modern | 90 | Obrusnik, Rafael (1518) | Won 2-0 | +181536 |
| 3modern | 61 | Alico, Christian (1705) | Won 2-1 | +211557 |
| 4modern | 4 | Velho de Quadros, Fausto (1538) | Won 2-1 | +181575 |
| 5modern | 5 | de Castro, Leonardo (1720) | Lost 0-2 | -161559 |
| 6modern | 68 | Brito Da Silva, Joao Paulo (1504) | Lost 0-2 | -191540 |
| 7modern | 153 | Graciolla Simao, William (1535) | Lost 0-2 | -181522 |
| top | average opponent: 1574record: 4-3 | new rating: 1522 | ||