Johnson, Jerome
Current rating: 1460
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 289 | Jackson, Kristopher (1500) | Won 2-0 | +181494 |
| 2standard | 174 | Perdue, Jameson (1500) | Lost 0-2 | -181476 |
| 3standard | 333 | Carter, Dalton (1578) | Lost 0-2 | -161460 |
| top | average opponent: 1526record: 1-2 | new rating: 1460 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 647 | Smith, Thomas (1464) | Won 2-0 | +181465 |
| 2sealed | 269 | Citta, Myles (1518) | Won 2-0 | +191484 |
| 3sealed | 254 | Wrigley, Abraham (1530) | Lost 0-2 | -171467 |
| 4sealed | 491 | Fielman, Josh (1516) | Won 2-0 | +191486 |
| 5sealed | 432 | Brecher, Ezekiel (1501) | Lost 0-2 | -181468 |
| 6sealed | 584 | Farnung, Ian (1840) | Won 2-1 | +251493 |
| 7sealed | 396 | Baxter, James (1548) | Lost 0-2 | -171476 |
| top | average opponent: 1559record: 4-3 | new rating: 1476 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Gibson, Travis (1532) | Won 2-0 | +191519 |
| 2sealed | 211 | Scarber, Frank (1470) | Lost 1-2 | -191500 |
| 3sealed | 344 | Hollis, Charles R (1500) | Won 2-1 | +181518 |
| 4sealed | 234 | Kolowith, Tommy (1519) | Lost 1-2 | -181500 |
| 5sealed | 337 | Backlund, Christopher S (1482) | Lost 0-2 | -191481 |
| 6sealed | 303 | Gfroerer, Alex (1467) | Lost 0-2 | -181463 |
| 7sealed | 263 | Lefterov, Alexander (1541) | Won 2-0 | +201483 |
| 8sealed | 199 | Taylor, Eric (1535) | Lost 1-2 | -181465 |
| 9sealed | 161 | Cox, David (1435) | Lost 0-2 | -181447 |
| top | average opponent: 1498record: 3-6 | new rating: 1447 | ||