Pencak, William
Current rating: 1482
Record: 3-5
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Bennett, Brandon (1559) | Won 2-0 | +191519 |
| 2standard | 228 | Owen, Kenny (1508) | Won 2-0 | +181537 |
| 3standard | 266 | Villao, Ruben (1525) | Won 1-0 | +181555 |
| 4standard | 90 | Pardee, Samuel (2302) | Lost 0-2 | -71548 |
| 5standard | 278 | Job, Jonathan (2021) | Lost 0-2 | -101538 |
| 6standard | 305 | Pendleton, Derek (1476) | Lost 0-2 | -191519 |
| 7standard | 533 | Martin, Johnathon (1502) | Lost 0-2 | -181501 |
| 8standard | 464 | Karges, Alexander (1445) | Lost 0-2 | -191482 |
| average opponent: 1667record: 3-5 | new rating: 1482 | |||