Dameron, Joshua
Current rating: 1436
Record: 5-10
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 609 | Gurczynski, Ben (1429) | Lost 0-2 | -191428 |
| 2sealed | 465 | Momen, Adham (1498) | Won 2-1 | +191447 |
| 3sealed | 717 | Thomas, Drew (1561) | Won 2-0 | +211468 |
| 4sealed | 339 | Parker, Kevin (1632) | Lost 1-2 | -161452 |
| 5sealed | 675 | Park, Junyoung (1548) | Lost 0-2 | -161436 |
| top | average opponent: 1533record: 2-3 | new rating: 1436 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 641 | Thomas, Kenneth (1553) | Lost 1-2 | -171463 |
| 2modern | 639 | Sohn, Michael (1531) | Lost 0-2 | -161447 |
| top | average opponent: 1542record: 0-2 | new rating: 1447 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 192 | Vaughn, Collin (1625) | Won 2-1 | +211485 |
| 3standard | 220 | Yoo, Bradley (1624) | Won 2-0 | +201505 |
| 4standard | 97 | Lane, Stephen (1660) | Won 2-0 | +211526 |
| 5standard | 68 | Singh, Navdeep (1540) | Lost 1-2 | -181508 |
| 6standard | 168 | Villela, Artur (1850) | Lost 0-2 | -121496 |
| 7standard | 171 | Sendaydiego, Curt (1593) | Lost 0-2 | -161480 |
| top | average opponent: 1649record: 3-3 | new rating: 1480 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 397 | Muldoon, Jesse (1482) | Lost 0-2 | -181482 |
| 2standard | 664 | Shute, Travis (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1482record: 0-2 | new rating: 1464 | ||