Calvert, James
Current rating: 1430
Record: 3-7
| Grand Prix Brisbane 2011 (ISD standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 118 | Bateman, Mitchell (1500) | Won 2-1 | +191464 |
| 2standard | 18 | DeRidder, Trent (1466) | Lost 0-2 | -181446 |
| 3standard | 89 | Head, Adam (1500) | Lost 0-2 | -171429 |
| 4standard | 161 | Iverson, Mikkel (1481) | Won 0-0 | +191448 |
| 5standard | 141 | Sedaitis, Morgan (1466) | Lost 0-2 | -181430 |
| average opponent: 1483record: 2-3 | new rating: 1430 | |||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Higashi, Satoshi (1500) | Lost 0-2 | -181482 |
| 2sealed | 195 | Nakazono, Ryuuta (1481) | Lost 1-2 | -181464 |
| 3sealed | 208 | Ishida, Yuuichi (1636) | Won 2-0 | +211485 |
| 4sealed | 162 | Kawasaki, Akinori (1427) | Lost 0-2 | -191466 |
| 5sealed | 197 | Seo, Asako (1280) | Lost 0-2 | -211445 |
| average opponent: 1465record: 1-4 | new rating: 1445 | |||