Santos, Marcos
Current rating: 1647
Record: 17-10-1
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| A1standard | 24 | Akiba, Afonso (1500) | Won 2-0 | +171585 |
| A2standard | 27 | Jorge, Fabio (1498) | Won 2-0 | +161601 |
| A3standard | 4 | Martins De Rezende, Aloyr (1551) | Won 2-1 | +171618 |
| A4standard | 15 | Mendonca, Paulo Cesar (1537) | Won 2-1 | +171635 |
| A5standard | 6 | Peixoto Dias, Vinicius (1571) | Won 2-1 | +171652 |
| A6standard | 3 | Valdivia, Felipe (1762) | Lost 0-2 | -161636 |
| A7standard | 11 | Jara Godoy, Nehuen (1681) | Won 2-1 | +181654 |
| A8standard | 10 | Rosenmann, Thiago (1851) | Lost 1-2 | -141640 |
| standard | 17 | Borges, Eduardo (1899) | Lost 0-2 | -131627 |
| standard | 38 | Millan Zapata, Felipe (1548) | Won 2-0 | +161643 |
| standard | 23 | Kondo, Igor Kendi (1687) | Lost 0-2 | -171626 |
| standard | 41 | Dantas, Pedro (1553) | Won 2-0 | +171643 |
| standard | 37 | Diaz, Tomas (1646) | Won 2-1 | +181661 |
| standard | 27 | Fernando Silva, Victor (1900) | Lost 0-2 | -141647 |
| standard | 29 | Gilchrist, Neil (1661) | Draw 0-0 | 01647 |
| average opponent: 1656record: 9-5-1 | new rating: 1647 | |||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 163 | Koenig Mattana, Rafael (1625) | Won 2-0 | +201520 |
| 3standard | 101 | Alejandro Tomas, Scass (1500) | Won 2-0 | +181538 |
| 4standard | 60 | Moreno, Bruno Cezar (1519) | Won 2-0 | +181556 |
| 5standard | 35 | Jaudy, Tulio (1756) | Won 2-1 | +211577 |
| 6standard | 22 | Perrino Bitarian, Antonio Jose (1557) | Won 2-0 | +181595 |
| 7standard | 6 | Barroso, Fabio (1612) | Lost 1-2 | -181577 |
| 8standard | 18 | Farnung, Ian (1964) | Won 2-1 | +251602 |
| 9standard | 18 | Damian, Nicholas (1751) | Lost 1-2 | -151587 |
| 10standard | 47 | Rezende, Rodrigo (1588) | Won 2-1 | +181605 |
| 11standard | 36 | Sanchez, Maximiliano (1572) | Lost 0-2 | -191586 |
| 12standard | 47 | Sol Torres Melo, Adriano (1588) | Lost 0-2 | -181568 |
| 13standard | 52 | Campos de Oliveira Gab, (1572) | Won 2-0 | +181586 |
| 14standard | 47 | Fonseca Castilho, Vini (1576) | Lost 1-2 | -181568 |
| 15standard | 45 | Villela, Artur (1872) | ID | 01568 |
| average opponent: 1646record: 8-5-1 | new rating: 1568 | |||