Grobstein, Scott
Current rating: 1467
Record: 3-5
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Manuel, Hammond (1500) | Won 2-1 | +191482 |
| 2sealed | 87 | Birkestrand, Cameron (1518) | Lost 1-2 | -171465 |
| 3sealed | 257 | Langford, Thomas J (1499) | Won 2-1 | +181483 |
| 4sealed | 301 | Piland, Jesse (1568) | Lost 0-2 | -161467 |
| average opponent: 1521record: 2-2 | new rating: 1467 | |||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 38 | Dang, Nhat (1500) | Won 2-0 | +181518 |
| 2standard | 6 | Sticinski, Alex (1518) | Lost 0-2 | -181500 |
| 3standard | 191 | Mercado, Guillermo (1469) | Lost 1-2 | -191481 |
| 4standard | 383 | Puldon, David (1481) | Lost 0-2 | -181463 |
| average opponent: 1492record: 1-3 | new rating: 1463 | |||