Costa, Ney
Current rating: 1544
Record: 5-3-1
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 195 | Leite Neto, Herminio F (1500) | Won 2-0 | +181518 |
| 2standard | 82 | Santos, Eduilton de O (1643) | Won 2-0 | +201538 |
| 3standard | 42 | Lacerda, Felipe (1536) | Draw 1-1 | 01538 |
| 4standard | 85 | Miranda, Diogo (1536) | Lost 0-2 | -181520 |
| 5standard | 142 | Peixoto Dias, Vinicius (1521) | Won 2-1 | +181538 |
| 6standard | 99 | Nery, Vinicius (1612) | Won 2-0 | +201558 |
| 7standard | 61 | Honorato, Rodrigo (1553) | Won 2-1 | +171575 |
| 8standard | 37 | Rodrigues, Thiago (1634) | Lost 0-2 | -161559 |
| 9standard | 66 | Jaudy, Tulio (1735) | Lost 0-2 | -151544 |
| average opponent: 1586record: 5-3-1 | new rating: 1544 | |||