Robertson, Zachery
Current rating: 1505
Record: 2-2
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 604 | Chestnut, Corey (1500) | Won 2-1 | +181518 |
| 2standard | 148 | Fung, Jeff (1784) | Won 2-0 | +231541 |
| 3standard | 181 | Hansen, Chris (1572) | Lost 1-2 | -181523 |
| 4standard | 211 | Cook, Jacob (1530) | Lost 1-2 | -181505 |
| average opponent: 1596record: 2-2 | new rating: 1505 | |||