Dewhirst, George
Current rating: 1522
Record: 8-7
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Beckwith, Benjamin (1500) | Won 2-1 | +191503 |
| 2sealed | 125 | Wilde, Nathan (1518) | Won 2-1 | +181521 |
| 3sealed | 16 | Shen, Xin (1581) | Lost 0-2 | -171504 |
| 4sealed | 223 | Qin, Lewis (1524) | Won 2-1 | +181522 |
| 5sealed | 56 | To, Julian (1548) | Lost 1-2 | -171505 |
| 6sealed | 112 | Harris, Geoffrey (1540) | Won 2-1 | +191524 |
| 7sealed | 114 | White, Jim (1454) | Won 2-0 | +161540 |
| 8sealed | 70 | Van Maarseveen, Ryan (1515) | Lost 0-2 | -181522 |
| average opponent: 1522record: 5-3 | new rating: 1522 | |||
| Grand Prix Melbourne 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 92 | Lewis, David [AUS] (1500) | Won 2-0 | +181518 |
| 2standard | 122 | Soens, Tye (1482) | Won 2-0 | +171535 |
| 3standard | 108 | Zheng, Jingwei (1707) | Lost 0-2 | -151520 |
| 4standard | 109 | Hlaing, Anthony (1528) | Lost 0-2 | -171503 |
| 5standard | 313 | Xuan, Zhi Han (1500) | Won 2-0 | +181521 |
| 6standard | 186 | Brassington, Robert (1520) | Lost 0-2 | -181503 |
| 7standard | 224 | Sullivan, Tim [AUS] (1499) | Lost 1-2 | -191484 |
| average opponent: 1534record: 3-4 | new rating: 1484 | |||