Walker, Christopher [AUS]
Current rating: 1479
Record: 6-7
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Van Tienen, Kyle (1453) | Lost 1-2 | -191497 |
| 2sealed | 301 | Lacy, Calin (1486) | Lost 0-2 | -191478 |
| 3sealed | 386 | Groves, Shaun (1397) | Won 2-1 | +171495 |
| 4sealed | 321 | Lightfoot, Anatoli (1616) | Lost 0-2 | -161479 |
| average opponent: 1488record: 1-3 | new rating: 1479 | |||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 64 | Sutton, Richard (1339) | Won 2-0 | +151515 |
| 2modern | 4 | Thorn, Bryce (1523) | Lost 0-2 | -181497 |
| 3modern | 305 | White, Jarod (1473) | Won 2-1 | +181515 |
| 4modern | 178 | Leacy, Matthew (1538) | Won 2-1 | +181533 |
| 5modern | 118 | Legge, Grace (1494) | Lost 1-2 | -191514 |
| 6modern | 1013 | Mckay, Peter (1562) | Lost 0-2 | -171497 |
| 7modern | 258 | Soutter, Jack (1484) | Won 2-1 | +181515 |
| 8modern | 230 | Sena, Joao (1542) | Won 2-0 | +191534 |
| 9modern | 103 | Boyanton, Grantley (1540) | Lost 1-2 | -181516 |
| average opponent: 1499record: 5-4 | new rating: 1516 | |||