Jacobs, Josh
Current rating: 1497
Record: 2-2
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 484 | Zabetian, Brian (1482) | Won 1-0 | +181518 |
| 3standard | 628 | Cox, Jay (1499) | Won 2-1 | +171535 |
| 4standard | 259 | Guggemos, Jim (1416) | Lost 1-2 | -201515 |
| 5standard | 543 | Smith, Ian (1514) | Lost 1-2 | -181497 |
| average opponent: 1478record: 2-2 | new rating: 1497 | |||