Cumings, Chase
Current rating: 1478
Record: 6-8
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 276 | Conde, Alex (1500) | Lost 1-2 | -181477 |
| 2modern | 494 | Johnson, Jordan (1635) | Lost 0-2 | -151462 |
| 3modern | 671 | Wallace, Garret (1464) | Lost 0-2 | -181444 |
| 4modern | 666 | Ulrich, Bruce (1393) | Won 2-0 | +171461 |
| 5modern | 543 | Peters, Patrick (1290) | Won 2-1 | +151476 |
| 6modern | 452 | Elkins, Bj (1557) | Won 2-0 | +201496 |
| 7modern | 426 | Hemstedt, Daniel (1528) | Lost 1-2 | -181478 |
| average opponent: 1481record: 3-4 | new rating: 1478 | |||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 202 | Pfeffer, Abe (1500) | Won 2-0 | +181518 |
| 2standard | 41 | White, Daniel (1614) | Won 2-0 | +201538 |
| 3standard | 185 | Gregory, Ryan (1522) | Lost 1-2 | -191519 |
| 4standard | 331 | Kirschner, Ezra (1604) | Won 2-1 | +201539 |
| 5standard | 113 | Rubin, Steve (2059) | Lost 0-2 | -91530 |
| 6standard | 281 | Cornell, Jason (1610) | Lost 0-2 | -171513 |
| 7standard | 281 | Kuch, William (1513) | Lost 1-2 | -181495 |
| average opponent: 1632record: 3-4 | new rating: 1495 | |||