Johnson, Kenneth
Current rating: 1458
Record: 3-6
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 214 | Zamudio, Xavier (1500) | Won 2-1 | +191465 |
| 2modern | 87 | Estomba, Charles (1646) | Won 2-0 | +211486 |
| 3modern | 89 | Phetteplace, Anson (1573) | Won 2-0 | +201506 |
| 4modern | 92 | Bauer, John (1861) | Lost 0-2 | -121494 |
| 5modern | 115 | Gifford, Valentino (1539) | Lost 1-2 | -171477 |
| 6modern | 216 | Couturier, Joseph (1418) | Lost 1-2 | -191458 |
| average opponent: 1590record: 3-3 | new rating: 1458 | |||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 122 | Raderman, Mitch (1500) | Lost 0-2 | -181482 |
| 2sealed | 631 | Morgan, Matt (1481) | Lost 0-2 | -181464 |
| 3sealed | 889 | Lamb, Jeffrey (1462) | Lost 0-2 | -181446 |
| average opponent: 1481record: 0-3 | new rating: 1446 | |||