Polglasse, Sam
Current rating: 1495
Record: 3-3
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 190 | Tirado, Omar (1500) | Lost 1-2 | -181482 |
| 2sealed | 464 | Burley, Lindsay (1447) | Lost 0-2 | -191463 |
| 3sealed | 619 | Bender, Joel (1360) | Won 2-1 | +161479 |
| 4sealed | 598 | Dugan, Shane M (1439) | Won 2-0 | +181497 |
| 5sealed | 513 | Williams, Patrick L (1434) | Won 2-0 | +171514 |
| 6sealed | 313 | Jansen, Morgan (1459) | Lost 0-2 | -191495 |
| average opponent: 1440record: 3-3 | new rating: 1495 | |||