Vieselmeyer, William
Current rating: 1460
Record: 2-5-1
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1014 | Jenkins, Ward (1569) | Won 2-1 | +201483 |
| 4sealed | 1018 | Mounarath, Seaver (1510) | Lost 0-2 | -171466 |
| 5sealed | 1067 | Mason, Greg (1575) | Won 2-1 | +201486 |
| 6sealed | 1051 | Cheon, Paul (2012) | Lost 0-2 | -101476 |
| 7sealed | 1089 | Melvin, Joe (1536) | Lost 1-2 | -161460 |
| average opponent: 1640record: 2-3 | new rating: 1460 | |||
| Grand Prix San Diego 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 179 | Stancu, Keith (1500) | Draw 1-1 | 01500 |
| 2modern | 175 | Frust, Brett (1500) | Lost 1-2 | -181482 |
| 3modern | 269 | Chaney, Austin (1441) | Lost 0-2 | -191463 |
| average opponent: 1480record: 0-2-1 | new rating: 1463 | |||