Castro, Ricardo
Current rating: 1415
Record: 4-9-1
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 135 | Wang, Christopher (1486) | Lost 0-2 | -171430 |
| 2standard | 591 | Garcia, Joshua (1482) | Lost 1-2 | -171413 |
| 3standard | 883 | White, Roxanna (1464) | Draw 1-1 | +11414 |
| 4standard | 828 | Diaz, Jonathan (1461) | Won 2-1 | +181432 |
| 5standard | 713 | Mundy, Joshua (1482) | Lost 0-2 | -171415 |
| average opponent: 1475record: 1-3-1 | new rating: 1415 | |||
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 157 | Pinheiro, Wilson (1500) | Lost 1-2 | -181482 |
| 2sealed | 175 | Moreira, Lourdes (1482) | Lost 0-2 | -181464 |
| 3sealed | 261 | Figueiredo, Filipe 4462 (1464) | Lost 0-2 | -181446 |
| 4sealed | 270 | Sarmento, Duarte (1446) | Won 2-0 | +181464 |
| 5sealed | 224 | Moreira, Maximo (1464) | Lost 0-2 | -181446 |
| 6sealed | 203 | Nascimento, Miguel (1446) | Lost 0-2 | -181428 |
| 7sealed | 173 | Veiga, Pedro (1461) | Won 2-0 | +191447 |
| 8sealed | 139 | Freixo, Bruno (1447) | Won 2-0 | +181465 |
| 9sealed | 115 | Garcia, Sergio (1485) | Lost 0-2 | -181447 |
| average opponent: 1466record: 3-6 | new rating: 1447 | |||