Furukawa, Marcelo
Current rating: 1483
Record: 4-5
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Silva Willians, Rafael (1500) | Won 2-1 | +181518 |
| 2sealed | 157 | Jachelli, Thiago (1517) | Lost 0-2 | -181500 |
| 3sealed | 168 | Rodrigues, Anderson (1500) | Won 2-1 | +181518 |
| 4sealed | 207 | Pereira, Roberto (1482) | Won 2-0 | +171535 |
| 5sealed | 68 | Moreira da Boa Viagem, Gabriel (1598) | Lost 0-2 | -171518 |
| 6sealed | 192 | Zagonel, Bruno (1518) | Lost 1-2 | -181500 |
| 7sealed | 179 | Almeida, Rafael (1502) | Lost 1-2 | -181482 |
| 8sealed | 159 | Vasques, Gustavo (1481) | Won 2-1 | +181500 |
| 9sealed | 125 | Solar, Juan (1527) | Lost 1-2 | -171483 |
| average opponent: 1514record: 4-5 | new rating: 1483 | |||