Johnston, Daniel
Current rating: 1434
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 384 | Cripps, Brian (1270) | Won 2-0 | +151461 |
| 3standard | 257 | Robbins, Jordon (1508) | Lost 0-2 | -181443 |
| 4standard | 212 | Archer, Garrett (1517) | Won 2-1 | +201463 |
| 5standard | 147 | Hughes, Michael (1692) | Lost 1-2 | -141449 |
| 6standard | 269 | Griffith, Cole (1516) | Lost 1-2 | -171432 |
| 7standard | 384 | Zuniga, Michael (1489) | Won 2-0 | +191451 |
| 8standard | 249 | Webb, John (1481) | Lost 1-2 | -171434 |
| top | average opponent: 1496record: 3-4 | new rating: 1434 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1430 | Page, Veronica (1500) | Lost 0-2 | -181482 |
| 2modern | 1539 | Alvich, Jason (1499) | Lost 0-2 | -181464 |
| 3modern | 1637 | Fulbright, Sean (1465) | Won 2-1 | +181482 |
| 4modern | 1441 | Parry, Matthew (1482) | Lost 0-2 | -181464 |
| 5modern | 1553 | Cotterell, Lucas (1463) | Won 2-0 | +181482 |
| 6modern | 1459 | Abalan, Kaleb (1447) | Lost 1-2 | -181464 |
| 7modern | 1365 | Haddad, Nick (1463) | Lost 0-2 | -181446 |
| 8modern | 1289 | Frank, Andrew (1444) | Won 2-0 | +181464 |
| 9modern | 1223 | Showalter, Zachary (1467) | Lost 1-2 | -181446 |
| top | average opponent: 1470record: 3-6 | new rating: 1446 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 28 | Kaplan, Michael (1500) | Lost 0-2 | -181482 |
| 2sealed | 308 | Morris, James (1482) | Won 2-0 | +181500 |
| top | average opponent: 1491record: 1-1 | new rating: 1500 | ||