Piazza, Steven
Current rating: 1447
Record: 1-4
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 222 | Brown, Bruce (1408) | Won 2-0 | +161516 |
| 2standard | 49 | Dai, Xiangjun (1539) | Lost 0-2 | -171499 |
| 3standard | 623 | Putnam, Tyler (1798) | Lost 1-2 | -131486 |
| 4standard | 634 | Hayden, Maxwell (1389) | Lost 1-2 | -201466 |
| 5standard | 671 | Morrone, David (1406) | Lost 0-2 | -191447 |
| average opponent: 1508record: 1-4 | new rating: 1447 | |||