Roomberg, Benjamin
Current rating: 1409
Record: 2-7
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 270 | Seaberry, Steven (1500) | Lost 1-2 | -171445 |
| 2standard | 259 | Bowman, Benjamin (1482) | Lost 1-2 | -181427 |
| 3standard | 406 | King, James (1411) | Lost 0-2 | -181409 |
| average opponent: 1464record: 0-3 | new rating: 1409 | |||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 119 | Yeglinski, Kenny (1500) | Won 2-0 | +181518 |
| 2block | 197 | Schock, Rosco (1473) | Lost 1-2 | -191499 |
| 3block | 322 | Patronick, Tony (1427) | Lost 1-2 | -191480 |
| 4block | 331 | Hatab, Blaine (1483) | Won 2-1 | +181498 |
| 5block | 293 | Russo, Andrew (1499) | Lost 1-2 | -181480 |
| 6block | 312 | Stokes, Jesse (1479) | Lost 0-2 | -181462 |
| average opponent: 1477record: 2-4 | new rating: 1462 | |||