BARRERA, MARCOS
Current rating: 1447
Record: 0-3
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 14 | Gamble, Steven (1517) | Lost 1-2 | -181482 |
| 3standard | 115 | Weisner, Jacob (1500) | Lost 0-2 | -171465 |
| 4standard | 240 | Wilson, Nathan W (1482) | Lost 1-2 | -181447 |
| average opponent: 1500record: 0-3 | new rating: 1447 | |||