Johnson, Cleveland
Current rating: 1481
Record: 6-7
| Grand Prix Atlanta 2018 (modern) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 337 | Boehme, Anthony (1500) | Won 2-0 | +181523 |
| 2modern | 131 | Morgan, Jacob (1538) | Won 2-1 | +181541 |
| 3modern | 152 | Parson, Ken (1247) | Lost 0-2 | -231518 |
| 4modern | 308 | Cagle, Russell (1529) | Lost 1-2 | -181500 |
| 5modern | 512 | Morgan, Michael (1448) | Lost 0-2 | -191481 |
| average opponent: 1453record: 2-3 | new rating: 1481 | |||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 634 | Ring, Christian (1527) | Lost 0-2 | -181482 |
| 2modern | 940 | Watkeys, David (1482) | Won 2-0 | +181500 |
| 3modern | 796 | Jones, William (1518) | Lost 0-2 | -171483 |
| 4modern | 1015 | Tou, April (1447) | Won 2-1 | +171500 |
| 5modern | 529 | Tardif, David (1452) | Won 2-0 | +171517 |
| 6modern | 748 | Nolan, Brent (1395) | Won 2-1 | +161533 |
| 7modern | 453 | Barcus, William (1544) | Lost 1-2 | -181515 |
| 8modern | 475 | Sukenik, Jonathan (1973) | Lost 0-2 | -101505 |
| average opponent: 1542record: 4-4 | new rating: 1505 | |||