Leonardo O.,
Current rating: 1446
Record: 1-4
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 33 | Villela, Artur (1566) | Lost 1-2 | -171483 |
| 2standard | 261 | Ferreira Silva, Romulo (1481) | Lost 0-2 | -181465 |
| 3standard | 254 | Vicencio, Renato (1464) | Won 2-0 | +181483 |
| 4standard | 276 | Moreno, Ignacio (1467) | Lost 1-2 | -181465 |
| 5standard | 273 | Braz Pereira, Vinicius (1403) | Lost 0-2 | -191446 |
| average opponent: 1476record: 1-4 | new rating: 1446 | |||