ROTCHEN, SERGIO
Current rating: 1428
Record: 0-4
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 232 | Naganawa, Luciano (1481) | Lost 0-2 | -181482 |
| 2sealed | 210 | Neto, Alexandre (1482) | Lost 0-2 | -181464 |
| 3sealed | 300 | Marchiori Junior, Rubens (1464) | Lost 0-2 | -181446 |
| 4sealed | 342 | Ramos, Alexandre (1447) | Lost 1-2 | -181428 |
| average opponent: 1468record: 0-4 | new rating: 1428 | |||