Macedo, Marcio A
Current rating: 1573
Record: 6-2-1
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 238 | Pridal, Tomas J (1480) | Won 2-1 | +181518 |
| 2sealed | 123 | Archangelo, Felipe (1562) | Draw 1-1 | 01518 |
| 3sealed | 109 | Gastim de Morais Leme, Rafael (1517) | Won 2-0 | +181536 |
| 4sealed | 78 | Neto, Joao De Mello Rezende (1536) | Won 2-1 | +181554 |
| 5sealed | 40 | Akio Yanagiura, Matheus (1507) | Lost 0-2 | -181536 |
| 6sealed | 94 | Carvalho, Bernardo (1552) | Won 2-0 | +181554 |
| 7sealed | 58 | Lopes de Oliveira, Anderson (1582) | Won 2-1 | +181572 |
| 8sealed | 35 | Edo Junior, Roberto (1634) | Lost 1-2 | -171555 |
| 9sealed | 67 | Souza, Natanael (1538) | Won 2-1 | +181573 |
| average opponent: 1545record: 6-2-1 | new rating: 1573 | |||