Gibbons, Joel
Current rating: 1476
Record: 4-6
| Grand Prix Sydney 2019 (RNA limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 85 | Spielmann, Samuel (1508) | Won 2-1 | +191487 |
| 4sealed | 26 | Rubasingham, Suban (1465) | Won 2-0 | +171504 |
| 5sealed | 5 | Foster, Karl (1538) | Won 2-0 | +191523 |
| 6sealed | 7 | Pollard, Luke (1583) | Lost 1-2 | -171506 |
| 7sealed | 10 | Cato, Matthew (1720) | Lost 1-2 | -141492 |
| 8sealed | 52 | Dahl, William (1573) | Lost 0-2 | -161476 |
| average opponent: 1564record: 3-3 | new rating: 1476 | |||
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Jones, Reilly (1500) | Won 2-0 | +181518 |
| 2sealed | 85 | Walton, Jack (1602) | Lost 0-2 | -161502 |
| 3sealed | 332 | Hyland, Sam (1500) | Lost 1-2 | -181484 |
| 4sealed | 352 | Tian, Zhizhong (1630) | Lost 0-2 | -161468 |
| average opponent: 1558record: 1-3 | new rating: 1468 | |||