Johanson, Justin
Current rating: 1428
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Schmidt, Alec (1573) | Lost 1-2 | -161465 |
| 2sealed | 372 | Kiser, Nicholas (1394) | Lost 1-2 | -201445 |
| 3sealed | 538 | Ewell, Patrick (1456) | Lost 0-2 | -171428 |
| top | average opponent: 1475record: 0-3 | new rating: 1428 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | McDonald, Adam (1500) | Lost 0-2 | -181473 |
| 2sealed | 396 | Donahoe, Ryan (1567) | Won 2-1 | +201493 |
| 3sealed | 414 | Hopkins, James (1383) | Lost 1-2 | -201473 |
| 4sealed | 458 | Gibson, Garrett (1472) | Won 2-0 | +181491 |
| 5sealed | 430 | Edelman, Charles (1686) | Lost 1-2 | -151476 |
| 6sealed | 387 | Elliott, James (1521) | Won 2-0 | +191495 |
| 7sealed | 274 | Long, John (1566) | Won 2-1 | +201515 |
| 8sealed | 205 | Copenhaver, Dalton (1530) | Lost 0-2 | -181497 |
| 9sealed | 257 | Cerbone, Alex (1617) | Lost 0-2 | -161481 |
| top | average opponent: 1538record: 4-5 | new rating: 1481 | ||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 292 | Jones, Luke (1566) | Lost 1-2 | -171483 |
| 2sealed | 391 | Genz, Steven (1482) | Lost 0-2 | -181465 |
| 3sealed | 598 | Kizuka, Jeremy (1381) | Won 2-0 | +171482 |
| 4sealed | 443 | Clute, Austin (1433) | Won 2-1 | +171499 |
| 5sealed | 360 | Propson, Stephen (1566) | Won 2-0 | +191518 |
| 6sealed | 369 | Schultz, Jerret (1737) | Lost 1-2 | -141504 |
| 7sealed | 290 | Calamaro, Leora (1454) | Lost 0-2 | -191485 |
| 8sealed | 369 | Nelson, Evan (1831) | Won 2-1 | +241509 |
| 9sealed | 283 | Browne, Theodore (1511) | Lost 1-2 | -181491 |
| top | average opponent: 1551record: 4-5 | new rating: 1491 | ||