Ferreira, Arlindo
Current rating: 1438
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 414 | Monteiro Da Silva Lanna, Ricardo (1500) | Lost 1-2 | -161407 |
| 2modern | 453 | Malheiros Alves, Caio Marcos (1413) | Won 2-0 | +181425 |
| 3modern | 540 | Lira Moreira, Andre (1546) | Lost 1-2 | -161409 |
| 4modern | 464 | Puchille, Vinicius (1481) | Won 2-0 | +191428 |
| 5modern | 336 | De Castro, Paulo Henrique (1517) | Won 2-0 | +201448 |
| 6modern | 304 | Coelho De Olivveira Filho, Gladistone (1525) | Won 2-1 | +191467 |
| 7modern | 226 | Casatti, Vagner William (1876) | Lost 0-2 | -101457 |
| 8modern | 294 | Sousa, Igor (1450) | Lost 1-2 | -191438 |
| top | average opponent: 1538record: 4-4 | new rating: 1438 | ||
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 107 | Rodrigues, Jose Paulo (1500) | Lost 1-2 | -171434 |
| 2standard | 217 | Toro, Rafael W (1575) | Won 2-1 | +201454 |
| 3standard | 153 | A G Mendes, Ricardo (1502) | Lost 0-2 | -171437 |
| 4standard | 296 | Junqueira, Henrique (1482) | Won 2-1 | +191456 |
| 5standard | 248 | Orellana, Eduardo (1485) | Lost 0-2 | -171439 |
| 6standard | 220 | Guerra, Ricardo [MEX] (1594) | Lost 1-2 | -161423 |
| top | average opponent: 1523record: 2-4 | new rating: 1423 | ||
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Lucena, Daniel (1619) | Lost 0-2 | -161484 |
| 2sealed | 242 | Rocha, Joao (1448) | Won 2-1 | +181502 |
| 3sealed | 234 | Sousa, Luis R (1500) | Won 2-1 | +171519 |
| 4sealed | 177 | Wheeler, Tim (1490) | Won 2-1 | +181537 |
| 5sealed | 83 | Mendes, Andre (1652) | Lost 0-2 | -161521 |
| 6sealed | 104 | Martins, Daniel (1593) | Lost 0-2 | -171504 |
| 7sealed | 192 | Portela, Ricardo (1498) | Lost 1-2 | -181486 |
| 8sealed | 163 | Pinto, Telmo (1484) | Lost 0-2 | -181468 |
| 9sealed | 157 | Blauth, Felipe (1512) | Lost 1-2 | -171451 |
| top | average opponent: 1533record: 3-6 | new rating: 1451 | ||