Walker, David
Current rating: 1454
Record: 3-6-1
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 209 | McGinty, Connery (1500) | Won 2-1 | +191483 |
| 2modern | 134 | Jacobi, Brian (1471) | Won 1-0 | +171500 |
| 3modern | 69 | Phillips, Jase (1642) | Draw 1-1 | +31503 |
| 4modern | 128 | Bertelsman, Jon (1535) | Lost 1-2 | -171486 |
| 5modern | 251 | Corzo, Jonathan (1722) | Lost 0-2 | -141472 |
| 6modern | 357 | Huang, Erick (1502) | Lost 0-2 | -181454 |
| average opponent: 1562record: 2-3-1 | new rating: 1454 | |||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 168 | Salter, Sean (1500) | Lost 0-2 | -181482 |
| 2standard | 182 | Doss, Timothy (1483) | Won 2-1 | +181500 |
| 3standard | 134 | Martin, Justin (1499) | Lost 0-2 | -181482 |
| 4standard | 232 | Linneman, Jonathan (1482) | Lost 0-2 | -181464 |
| average opponent: 1491record: 1-3 | new rating: 1464 | |||