Johnston, Chase
Current rating: 1346
Record: 3-12
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 519 | Power, Jason (1454) | Lost 0-2 | -191446 |
| 2sealed | 852 | Baker, Thomas D (1682) | Lost 0-2 | -131433 |
| 3sealed | 1118 | Davis, Jeremy (1464) | Lost 0-2 | -181415 |
| 4sealed | 1049 | Pinkava, Michael (1445) | Lost 0-2 | -171398 |
| 5sealed | 968 | Florka, Clint (1425) | Won 2-0 | +181416 |
| 6sealed | 849 | McNair, Carson (1447) | Lost 0-2 | -171399 |
| 7sealed | 739 | Piniol, Glenn (1428) | Lost 0-2 | -181381 |
| 8sealed | 607 | Lovejoy, Timothy (1409) | Lost 1-2 | -171364 |
| 9sealed | 527 | Sharen, Kyle (1356) | Lost 0-2 | -181346 |
| average opponent: 1457record: 1-8 | new rating: 1346 | |||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 379 | Pordon, Joshua (1549) | Lost 0-2 | -171483 |
| 2sealed | 454 | Eisenzimmer, Grant (1465) | Won 2-0 | +181501 |
| 3sealed | 476 | Gore, Joshua (1444) | Lost 0-2 | -191482 |
| 4sealed | 563 | Miller, Jesse (1483) | Lost 0-2 | -181464 |
| 5sealed | 571 | Moore, Christopher (1587) | Won 2-0 | +201484 |
| 6sealed | 451 | Rodriguez, Jescy (1412) | Lost 1-2 | -191465 |
| average opponent: 1490record: 2-4 | new rating: 1465 | |||