Weightman, Joel
Current rating: 1490
| Grand Prix Melbourne 2014 (BNG standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Roope, Jessica (1500) | Lost 0-2 | -171448 |
| 2standard | 311 | Cao, Vincent (1428) | Won 2-1 | +171465 |
| 3standard | 180 | Smitheram, Alan (1501) | Lost 1-2 | -171448 |
| 4standard | 354 | Lee, Jonathan [NZL] (1456) | Won 2-0 | +181466 |
| 5standard | 229 | Cauchi, Lawrence (1501) | Won 2-0 | +191485 |
| 6standard | 163 | Sullivan, Tim [AUS] (1517) | Won 2-1 | +181503 |
| 7standard | 160 | Orazi, Davide Christian (1765) | Lost 0-2 | -131490 |
| top | average opponent: 1524record: 4-3 | new rating: 1490 | ||
| Grand Prix Sydney 2013 (RTR limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 244 | Young, Jason (1500) | Won 2-1 | +181516 |
| 2sealed | 60 | Ophel, Joshua (1518) | Lost 1-2 | -181498 |
| 3sealed | 177 | Zhou, Hongfei (1610) | Lost 0-2 | -161482 |
| 4sealed | 234 | Lee, Charles (1514) | Lost 0-2 | -171465 |
| 5sealed | 247 | Jacquier, Willem (1464) | Won 2-0 | +181483 |
| 6sealed | 194 | Wilson, Luke (1480) | Lost 0-2 | -181465 |
| top | average opponent: 1514record: 2-4 | new rating: 1465 | ||
| Grand Prix Melbourne 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Selleck, Maddison (1500) | Lost 1-2 | -181482 |
| 2sealed | 184 | Siu, Emma (1482) | Won 2-1 | +181500 |
| 3sealed | 151 | Goodman, Max (1500) | Lost 0-2 | -181482 |
| 4sealed | 199 | Hohaus, Daniel (1482) | Won 2-1 | +181500 |
| 5sealed | 169 | Basser, Nathan (1501) | Won 2-1 | +181518 |
| 6sealed | 110 | jiang, tony (1519) | Won 2-0 | +181536 |
| 7sealed | 71 | Fowler, Shane (1487) | Lost 1-2 | -191517 |
| 8sealed | 106 | Jeffries, Shlome (1469) | Lost 0-2 | -191498 |
| top | average opponent: 1492record: 4-4 | new rating: 1498 | ||