Wittmann, Diego
Current rating: 1518
Record: 4-3
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 238 | Alves De Almeida, Jose (1447) | Won 2-1 | +171517 |
| 2standard | 4 | Marques Martins, Marcel (1518) | Lost 1-2 | -181499 |
| 3standard | 232 | Oliveira Graichen, Leonardo (1506) | Won 2-0 | +181517 |
| 4standard | 159 | Medina Alves, Alan (1518) | Won 2-0 | +181535 |
| 5standard | 49 | Melgarejo, Juan (1589) | Won 2-1 | +191554 |
| 6standard | 45 | Fagundes, Ian (1520) | Lost 1-2 | -181536 |
| 7standard | 95 | Fernandes Lelis, Joao (1549) | Lost 1-2 | -181518 |
| average opponent: 1521record: 4-3 | new rating: 1518 | |||