Barker, Zack
Current rating: 1501
Record: 2-2-1
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 272 | Montgomery, Nathan (1468) | Won 2-0 | +171517 |
| 2standard | 162 | Morgan, Trevyn (1594) | Lost 1-2 | -161501 |
| 3standard | 309 | Jordan, Jacob (1484) | Won 2-1 | +181519 |
| 4standard | 292 | Thrash, Dylan (1540) | Draw 1-1 | 01519 |
| 5standard | 224 | Maxwell, William (1519) | Lost 1-2 | -181501 |
| average opponent: 1521record: 2-2-1 | new rating: 1501 | |||