Kamioka, Carlos Eduardo
Current rating: 1454
Record: 5-8
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Kobayashi, Mauricio (1463) | Won 2-1 | +181464 |
| 2sealed | 153 | Santos, Eduilton de O (1516) | Lost 1-2 | -171447 |
| 3sealed | 249 | Nunes da Silva, Rafael (1418) | Won 2-0 | +181465 |
| 4sealed | 150 | Sosa, Julio (1542) | Won 2-0 | +191484 |
| 5sealed | 50 | Franco, Lucas (1537) | Lost 1-2 | -171467 |
| 6sealed | 151 | Esper Berthoud, Lucas (1747) | Lost 1-2 | -131454 |
| average opponent: 1537record: 3-3 | new rating: 1454 | |||
| Grand Prix Rio de Janeiro 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Silva Santos, Renato (1500) | Lost 0-2 | -181482 |
| 2sealed | 109 | Sansoldo, Christian Studart (1482) | Lost 0-2 | -181464 |
| 3sealed | 151 | Dos Santos, Thales Lima (1464) | Lost 0-2 | -181446 |
| 4sealed | 162 | Fonseca, Guilherme (1446) | Lost 0-2 | -181428 |
| 5sealed | 157 | De Mattos, Raphael Eiras (1428) | Won 2-0 | +181446 |
| 6sealed | 138 | Taroshi Fox, Ivan (1446) | Won 2-0 | +181464 |
| 7sealed | 120 | Moreira, Bruno Medeiros (1463) | Lost 0-0 | -181446 |
| average opponent: 1461record: 2-5 | new rating: 1446 | |||