Barkowski, Patrick
Current rating: 1446
Record: 1-4
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 660 | Lillard, Daniel (1500) | Lost 0-2 | -181482 |
| 2standard | 669 | Compton, Elan (1481) | Won 2-0 | +181500 |
| 3standard | 514 | Van Deurs, Ralph (1501) | Lost 1-2 | -181482 |
| 4standard | 513 | Bell, Thomas (1489) | Lost 0-2 | -181464 |
| 5standard | 695 | Alvarez, Hugo (1452) | Lost 0-2 | -181446 |
| average opponent: 1485record: 1-4 | new rating: 1446 | |||