Martins de Souza Filho, Carlos Alberto
Current rating: 1502
Record: 3-3
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 30 | Mantovanelli, Gabriel (1536) | Won 2-1 | +191519 |
| 3standard | 44 | Soares Santana, Alexandro (1536) | Lost 1-2 | -181501 |
| 4standard | 307 | Martins Teixeira, Vict (1518) | Won 2-1 | +181519 |
| 5standard | 92 | Meneghel, Lucas (1539) | Won 2-1 | +191538 |
| 6standard | 125 | Almeida de Araujo, Iur (1553) | Lost 0-2 | -181520 |
| 7standard | 201 | Libonatti, Mariano (1526) | Lost 0-2 | -181502 |
| average opponent: 1535record: 3-3 | new rating: 1502 | |||