Chung, Justin
Current rating: 1460
| Grand Prix Hartford 2018 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 2 | Kelly, Keenan (1449) | Lost 0-2 | -191494 |
| 3modern | 589 | Phipps, Corey (1632) | Lost 1-2 | -151479 |
| 4modern | 587 | Sinclair, Andrew (1455) | Lost 0-2 | -191460 |
| 5modern | 708 | Ortiz, Andres (1464) | Won 2-0 | +181478 |
| 6modern | 555 | Lemieux, Christian (1468) | Lost 0-2 | -181460 |
| 7modern | 541 | Bublak, Chantel (1464) | Won 2-0 | +181478 |
| 8modern | 424 | Grasso, Andrew (1472) | Lost 1-2 | -181460 |
| top | average opponent: 1486record: 2-5 | new rating: 1460 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 736 | Spurlock, Brandon (1499) | Lost 1-2 | -181498 |
| 2modern | 802 | Cathcart, Michael (1482) | Lost 0-2 | -181480 |
| 3modern | 1012 | Underwood, Jeremy (1368) | Won 2-0 | +161496 |
| 4modern | 917 | Pabst, William (1477) | Won 2-0 | +171513 |
| top | average opponent: 1456record: 2-2 | new rating: 1513 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 268 | Thrasher, Brandon (1541) | Won 2-0 | +191519 |
| 2modern | 40 | Hair, Chris (1421) | Lost 0-2 | -201499 |
| 3modern | 799 | Todd, Elliott (1502) | Won 2-1 | +181517 |
| 4modern | 571 | Richardson, Matthew (1404) | Lost 0-2 | -201497 |
| 5modern | 954 | Gray, Zachary (1594) | Won 2-1 | +201517 |
| 6modern | 681 | Brazle, Andrew (1501) | Won 2-1 | +171534 |
| 7modern | 351 | Browning, Don (1520) | Won 2-1 | +181552 |
| 8modern | 328 | Shvachkin, Gabriel (1514) | Lost 0-2 | -191533 |
| 9modern | 250 | Gassaway, Ryan (1585) | Lost 0-2 | -171516 |
| top | average opponent: 1509record: 5-4 | new rating: 1516 | ||