De Bonis, Gregory Goncalves
Current rating: 1552
Record: 6-3
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Marchiori Junior, Rubens (1500) | Won 2-1 | +181518 |
| 2sealed | 100 | Fukuda, Guilherme (1518) | Won 2-0 | +181536 |
| 3sealed | 8 | Da Silva, Daniel (1536) | Lost 1-2 | -181518 |
| 4sealed | 87 | Azor, Bruno (1518) | Lost 1-2 | -181500 |
| 5sealed | 159 | May, Neimar S (1500) | Lost 0-2 | -181482 |
| 6sealed | 213 | Rosseti, Albert Richard (1482) | Won 2-0 | +181500 |
| 7sealed | 160 | Maia, Felipe (1486) | Won 2-1 | +181518 |
| 8sealed | 143 | Cardoso Moreno, Tais (1441) | Won 2-1 | +161534 |
| 9sealed | 94 | Didona, Jonata (1537) | Won 2-0 | +181552 |
| average opponent: 1502record: 6-3 | new rating: 1552 | |||