Pedro M.,
Current rating: 1501
Record: 4-4
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 127 | Vilela, Pedro (1518) | Lost 0-2 | -181482 |
| 3standard | 106 | Lichiardi, Diego (1499) | Lost 0-2 | -171465 |
| 4standard | 286 | Sanchez, Francisco [URY] (1482) | Won 2-1 | +181483 |
| 5standard | 170 | Maia, Rodolfo (1424) | Won 2-1 | +171500 |
| 6standard | 154 | Coimbra, Patrick (1518) | Lost 1-2 | -181482 |
| 7standard | 155 | Rafael D., (1501) | Won 2-0 | +191501 |
| 8standard | 135 | Monlevade, Philippe (1534) | Lost 0-2 | -181483 |
| 9standard | 134 | Lemos, Wendel (1500) | Won 2-0 | +181501 |
| average opponent: 1497record: 4-4 | new rating: 1501 | |||