Cummings, Joshua
Current rating: 1461
Record: 5-9
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 351 | Geddes, Alex (1500) | Won 2-1 | +201434 |
| 2standard | 258 | Chin, Nicholas (1517) | Won 2-0 | +191453 |
| 3standard | 195 | Larsen, Christoffer (2048) | Lost 1-2 | -81445 |
| 4standard | 283 | Sipos, Nick (1518) | Won 2-1 | +191464 |
| 5standard | 173 | Pospichal, Levi (1766) | Won 2-1 | +241488 |
| 6standard | 84 | Thibeau, Markus (1725) | Lost 0-2 | -141474 |
| 7standard | 138 | Iaali, Christopher (1775) | Lost 0-2 | -131461 |
| top | average opponent: 1693record: 4-3 | new rating: 1461 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | McGlaun, Todd (1500) | Won 2-0 | +191466 |
| 2sealed | 96 | Wills, Cory (1464) | Lost 0-2 | -181448 |
| 3sealed | 292 | Chun, Robert (1500) | Lost 0-2 | -171431 |
| 4sealed | 310 | Wymes, Chris (1478) | Lost 0-2 | -171414 |
| top | average opponent: 1486record: 1-3 | new rating: 1414 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Butcher, Justin (1481) | Lost 0-2 | -181482 |
| 2standard | 625 | Kishimoto, Brian (1580) | Lost 0-2 | -171465 |
| 3standard | 787 | Dyer, Spencer (1464) | Lost 0-2 | -181447 |
| top | average opponent: 1508record: 0-3 | new rating: 1447 | ||