Muma, Jayson
Current rating: 1467
Record: 1-3
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 191 | Truong, Long (1503) | Lost 0-0 | -181482 |
| 2standard | 194 | Joyner, James (1482) | Lost 0-2 | -181464 |
| 3standard | 279 | Herbert, Rich (1634) | Lost 0-2 | -151449 |
| 4standard | 312 | Polakiewicz, Jeffery (1446) | Won 2-0 | +181467 |
| average opponent: 1516record: 1-3 | new rating: 1467 | |||