Buck, Joshua
Current rating: 1466
Record: 2-4
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 486 | Thompson, Kirk (1480) | Lost 0-2 | -181465 |
| 2standard | 471 | Hudec, Robert (1485) | Won 2-0 | +181483 |
| 3standard | 577 | Van Oosten, Andy (1499) | Lost 1-2 | -171466 |
| average opponent: 1488record: 1-2 | new rating: 1466 | |||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 706 | Wright, Joel (1580) | Won 2-0 | +191519 |
| 2sealed | 729 | Bennett, Johnathan (1500) | Lost 0-2 | -181501 |
| 3sealed | 927 | Guttler, Russell (1500) | Lost 1-2 | -181483 |
| average opponent: 1527record: 1-2 | new rating: 1483 | |||