Groppenbecker, Scott T
Current rating: 1546
Record: 9-8
| Grand Prix Columbus 2010 (legacy) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 481 | Reid, Rob (1500) | Won 2-0 | +181511 |
| 2legacy | 517 | Matson, Will (1518) | Won 2-1 | +181529 |
| 3legacy | 474 | Uebel, Kenny (1450) | Won 2-1 | +171546 |
| 4legacy | 412 | Babcock, Grant (1500) | Won 2-0 | +171563 |
| 5legacy | 402 | Yurchick, Adam (1973) | Lost 0-2 | -111552 |
| 6legacy | 460 | Nyberg, Michael (1718) | Lost 0-2 | -151537 |
| 7legacy | 476 | Vickers, Adam (1540) | Won 2-1 | +181555 |
| 8legacy | 443 | Vidugiris, Gaudenis (2071) | Lost 0-2 | -91546 |
| average opponent: 1659record: 5-3 | new rating: 1546 | |||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 9 | Scheurer, Scott (1567) | Lost 1-2 | -171483 |
| 2legacy | 312 | Robinson, Michael (1481) | Won 2-1 | +181501 |
| 3legacy | 295 | Buckmelter, Jason (1385) | Lost 1-2 | -201481 |
| 4legacy | 363 | Hustad, James (1701) | Won 2-1 | +221503 |
| 5legacy | 223 | Stark, Ben S (1823) | Won 2-1 | +241527 |
| 6legacy | 164 | Nighbor, Chris (1501) | Won 2-0 | +171544 |
| 7legacy | 131 | Warr, Clement (1528) | Lost 1-2 | -181526 |
| 8legacy | 191 | Fabiano, Gerard (1732) | Lost 0-2 | -141512 |
| 9legacy | 165 | Usary, Marsh (1466) | Lost 0-2 | -191493 |
| average opponent: 1576record: 4-5 | new rating: 1493 | |||