De Abreu, Marcio
Current rating: 1480
Record: 6-7
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 94 | Capozzoli, Roberto (1389) | Lost 1-2 | -211519 |
| 3modern | 257 | Akira Ogashawara, Bruno (1501) | Lost 1-2 | -181501 |
| 4modern | 394 | Guedes, Samuel (1470) | Lost 0-2 | -191482 |
| 5modern | 528 | Fernandes Penna Darwiche, Yuri (1463) | Won 2-0 | +181500 |
| 6modern | 364 | Braz, Thiago (1413) | Lost 0-2 | -201480 |
| average opponent: 1447record: 1-4 | new rating: 1480 | |||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 192 | Montenegro, Carlos Davi (1677) | Lost 0-1 | -151485 |
| 3standard | 386 | Tomaz Soares Campos, Joao (1498) | Won 2-0 | +181503 |
| 4standard | 339 | Rojas Keim, Felipe Andres (1454) | Won 2-1 | +181521 |
| 5standard | 222 | Fernandez Savoy, Ramiro (1547) | Lost 0-2 | -181503 |
| 6standard | 246 | Bonamigo Gaspodini, Nicolas (1520) | Won 2-1 | +181521 |
| 7standard | 215 | Junji Takara, Victor (1535) | Won 2-0 | +191540 |
| 8standard | 104 | Dias Godas, Thiago (1541) | Lost 1-2 | -181522 |
| 9standard | 144 | Matarazzo, Bruno (1521) | Won 2-0 | +181540 |
| average opponent: 1537record: 5-3 | new rating: 1540 | |||