Carvalho, Frederico
Current rating: 1380
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 22 | Fonseca Lisboa, Tulio (1522) | Lost 1-2 | -171447 |
| 4modern | 226 | Rocha Dutra, Juliano (1518) | Lost 1-2 | -171430 |
| 5modern | 228 | Matsuno Da Frota, Andre Francisco (1452) | Lost 0-2 | -171413 |
| 6modern | 261 | May, Neimar S (1541) | Lost 0-2 | -161397 |
| 7modern | 218 | Tibaldi, Franco (1457) | Lost 1-2 | -171380 |
| top | average opponent: 1498record: 0-5 | new rating: 1380 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 145 | Alexandre dos Passos, (1500) | Won 2-0 | +181500 |
| 2standard | 265 | Muglia Neto, Giovanni (1518) | Lost 0-1 | -181482 |
| 3standard | 493 | Bitner, Leandro (1417) | Lost 0-1 | -191463 |
| 4standard | 538 | Campos Conti, Rafael (1484) | Lost 0-2 | -171446 |
| 5standard | 504 | Brugnaro Jardim, Luis Fernando (1464) | Won 2-0 | +181464 |
| top | average opponent: 1477record: 2-3 | new rating: 1464 | ||
| Grand Prix Sao Paulo 2002 (JUD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 66 | Torrens, Jonas Colen (1482) | Draw 1-1 | 01500 |
| 2standard | 84 | Clemente Buzzo, Alberto (1482) | Lost 1-2 | -191481 |
| 3standard | 126 | Mansano, Rafael Bernardi (1500) | Lost 0-2 | -171464 |
| 4standard | 154 | Roberto S da Silva, Ivair (1464) | Won 2-0 | +181482 |
| top | average opponent: 1482record: 1-2-1 | new rating: 1482 | ||