Neto, Joao De Mello Rezende
Current rating: 1461
Record: 5-7-1
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 8 | Odriozola, Juan (1434) | Lost 0-2 | -191518 |
| 2standard | 190 | Gomy, Marcus (1484) | Lost 0-2 | -191499 |
| 3standard | 308 | Grotti, Rodrigo (1448) | Lost 0-2 | -191480 |
| 4standard | 331 | Sousa, Igor (1415) | Lost 1-2 | -191461 |
| average opponent: 1445record: 0-4 | new rating: 1461 | |||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Osten, Flavio (1500) | Draw 1-1 | 01500 |
| 2sealed | 193 | De Toledo Furlin, Atila (1500) | Won 2-0 | +181518 |
| 3sealed | 103 | Pereira, Roberto (1499) | Won 2-0 | +181536 |
| 4sealed | 78 | Macedo, Marcio A (1536) | Lost 1-2 | -181518 |
| 5sealed | 151 | Almeida, Lucas (1518) | Won 2-0 | +181536 |
| 6sealed | 96 | Lopes de Oliveira, Anderson (1565) | Lost 1-2 | -181518 |
| 7sealed | 146 | Falcao, Filipe (1605) | Won 2-1 | +201538 |
| 8sealed | 104 | Oliveira, Fabio (1521) | Won 2-0 | +171555 |
| 9sealed | 68 | Correia, Thiago P (1551) | Lost 0-2 | -181537 |
| average opponent: 1533record: 5-3-1 | new rating: 1537 | |||