Poston, Michael
Current rating: 1504
Record: 2-2
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 532 | Yanity, Jason (1563) | Lost 0-2 | -171483 |
| 2sealed | 637 | Hill, Zachery (1510) | Won 2-1 | +191502 |
| 3sealed | 522 | Martin, Cody (1500) | Won 2-0 | +181520 |
| 4sealed | 498 | Davis, Randy (1656) | Lost 1-2 | -161504 |
| average opponent: 1557record: 2-2 | new rating: 1504 | |||