Sa, John
Current rating: 1516
Record: 5-4
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Jun Kano, Luciano (1500) | Won 2-0 | +181518 |
| 2sealed | 23 | Crosara, Cassius S (1518) | Won 2-0 | +181536 |
| 3sealed | 35 | Sousa, Igor (1477) | Lost 0-2 | -191517 |
| 4sealed | 111 | dos Santos Pinto, Paulo Henrique (1518) | Won 2-1 | +181535 |
| 5sealed | 110 | Andrade, Lucas (1536) | Won 2-0 | +181553 |
| 6sealed | 75 | Silva Campos, Hueliton (1542) | Won 2-0 | +181571 |
| 7sealed | 31 | Barrera, Carlos (1460) | Lost 0-2 | -201551 |
| 8sealed | 62 | Nunes Barrada, Evandro (1618) | Lost 0-2 | -171534 |
| 9sealed | 96 | Goes, Marcelo (1517) | Lost 1-2 | -181516 |
| average opponent: 1521record: 5-4 | new rating: 1516 | |||