Johnston, John
Current rating: 1531
Record: 6-5
| Grand Prix Reno 2020 (THB limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 146 | He, Jennifer (1560) | Lost 0-2 | -171483 |
| 3sealed | 192 | Nehring, Brett (1593) | Won 2-0 | +201503 |
| 4sealed | 176 | Rinella, Geoff (1459) | Won 2-1 | +171520 |
| 5sealed | 96 | Silva, Austin (1619) | Lost 0-2 | -161504 |
| 6sealed | 173 | Mack, Shaun (1542) | Won 2-1 | +191523 |
| 7sealed | 129 | Hamasaki, Geoffrey (1573) | Won 2-0 | +191542 |
| 8sealed | 76 | Russo, Spencer (1641) | Won 2-0 | +191561 |
| 9sealed | 148 | Bacher, Isaac (1747) | Lost 1-2 | -141547 |
| 10draft | 151 | Livingston, Tristin (1578) | Lost 0-2 | -181529 |
| 11draft | 171 | Russell, Ronnie (1507) | Won 2-1 | +181547 |
| 12draft | 168 | Zhang, Bushi (1636) | Lost 1-2 | -161531 |
| average opponent: 1587record: 6-5 | new rating: 1531 | |||