Welch, Justin
Current rating: 1464
Record: 4-7-1
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 616 | Xu, Tianhao (1500) | Lost 0-2 | -181440 |
| 2standard | 698 | Leon, Markes (1434) | Won 2-0 | +181458 |
| 3standard | 424 | MacKinnon, Dan (1422) | Won 2-0 | +181476 |
| 4standard | 458 | Conwell, Rory (1488) | Won 2-1 | +181494 |
| 5standard | 204 | Garrison, Nick (1543) | Draw 1-1 | +11495 |
| 6standard | 212 | Lo, Jefferson (1783) | Lost 0-2 | -131482 |
| 7standard | 334 | Schmitt, David (1505) | Lost 1-2 | -181464 |
| average opponent: 1525record: 3-3-1 | new rating: 1464 | |||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 297 | Huteson, Tom (1685) | Won 2-1 | +211521 |
| 2standard | 110 | Peternell, Nick (1795) | Lost 0-2 | -131508 |
| 3standard | 600 | Armstrong, Justin (1524) | Lost 0-2 | -181490 |
| 4standard | 627 | Nguyen, Daniel T (1482) | Lost 1-2 | -181472 |
| 5standard | 703 | Woodward, Jonathan (1652) | Lost 0-2 | -141458 |
| average opponent: 1627record: 1-4 | new rating: 1458 | |||