Marques Martins, Marcel
Current rating: 1601
Record: 11-5-2
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 68 | de Paula Neto, Lazaro (1500) | Won 2-0 | +171573 |
| 2standard | 264 | Cabrini, Eduardo (1454) | Lost 0-2 | -201553 |
| 3standard | 368 | Delpra, Fernando (1502) | Won 2-0 | +171570 |
| 4standard | 264 | Frederico Marcal R, Carlos (1517) | Won 2-1 | +171587 |
| 5standard | 95 | Henrique de Moraes e S, (1535) | Lost 0-2 | -191568 |
| 6standard | 173 | Lucena de Oliveira, Pablo (1569) | Won 2-0 | +181586 |
| 7standard | 225 | Esteves Maciel, Frederico (1540) | Lost 1-2 | -191567 |
| 8standard | 200 | Zambelli, Victor (1518) | Won 2-0 | +171584 |
| 9standard | 184 | da Cruz Junior, Jose Francisco (1519) | Won 2-0 | +171601 |
| average opponent: 1517record: 6-3 | new rating: 1601 | |||
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 93 | Barbosa, Renato (1500) | Won 2-0 | +181518 |
| 2standard | 4 | Wittmann, Diego (1517) | Won 2-1 | +181536 |
| 3standard | 83 | Alfini, Anderson (1538) | Draw 1-1 | 01536 |
| 4standard | 81 | Jaudy, Tulio (1733) | Lost 1-2 | -141522 |
| 5standard | 145 | Monlevade, Philippe (1518) | Draw 1-1 | -11521 |
| 6standard | 196 | Cramer, Justauo (1520) | Won 2-0 | +181539 |
| 7standard | 142 | Pedro S. A, (1518) | Lost 0-2 | -181521 |
| 8standard | 153 | Pinheiro, Felipe (1502) | Won 2-0 | +181539 |
| 9standard | 115 | Junior, Ricardo (1490) | Won 2-0 | +171556 |
| average opponent: 1537record: 5-2-2 | new rating: 1556 | |||