Matheus Sesso, Bonella
Current rating: 1517
Record: 5-4
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Estevam, Wesley (1500) | Won 2-1 | +181518 |
| 2sealed | 45 | Tolin, Ramiro (1518) | Won 2-0 | +181536 |
| 3sealed | 71 | Huerta, Adrian (1517) | Won 2-1 | +181554 |
| 4sealed | 39 | Concha, Alfonso (1554) | Lost 1-2 | -181536 |
| 5sealed | 76 | da Silva Ferreira Filho, Cla (1553) | Lost 0-2 | -181518 |
| 6sealed | 126 | Silva, Anderson (1502) | Won 2-1 | +181536 |
| 7sealed | 88 | Fernandes, Patrick (1536) | Lost 0-2 | -181518 |
| 8sealed | 142 | Lopes, Eduardo (1456) | Won 2-1 | +171535 |
| 9sealed | 160 | Fehr, Gabriel (1571) | Lost 0-2 | -181517 |
| average opponent: 1523record: 5-4 | new rating: 1517 | |||