Guimaraes, Lucas
Current rating: 1471
Record: 2-4
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 22 | Cabrini, Ricardo (1576) | Lost 0-2 | -171483 |
| 5standard | 108 | Ocampo, Rodolfo (1640) | Won 2-1 | +211504 |
| 6standard | 37 | Goncalves Dos Santos, Rodrigo (1701) | Lost 1-2 | -141490 |
| 7standard | 132 | Sanches, Carlos (1462) | Won 2-0 | +171507 |
| 8standard | 88 | Akio Yanagiura, Matheus (1520) | Lost 1-2 | -171490 |
| 9standard | 93 | Conrado, Alexandre (1489) | Lost 1-2 | -191471 |
| average opponent: 1565record: 2-4 | new rating: 1471 | |||