Morris, Jeffrey
Current rating: 1507
| Grand Prix Charlotte 2015 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 712 | Williams, Alex (1429) | Lost 1-2 | -191470 |
| 2modern | 934 | Edwards, Shawn M (1481) | Won 2-0 | +181488 |
| 3modern | 929 | Henry, Clayton (1500) | Lost 0-2 | -181470 |
| 4modern | 1026 | Olesberg, Michael (1533) | Lost 0-2 | -161454 |
| 5modern | 1027 | Leroy, Brian J (1463) | Won 2-1 | +181472 |
| 6modern | 905 | Kennedy-Waddell, Coty (1356) | Lost 1-2 | -201452 |
| 7modern | 781 | Allums, John (1468) | Won 2-1 | +181470 |
| 8modern | 694 | Fancher, Will (1498) | Won 2-0 | +181488 |
| 9modern | 665 | Walpole, Chandler (1499) | Won 2-1 | +191507 |
| top | average opponent: 1470record: 5-4 | new rating: 1507 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 18 | DeLoach, Matt (1539) | Won 2-0 | +191525 |
| 2standard | 237 | Mason, CJ (1517) | Won 2-0 | +181543 |
| 3standard | 218 | Johnson, Carl (1616) | Lost 0-2 | -171526 |
| 4standard | 303 | Nikov, Martin (1479) | Lost 0-2 | -191507 |
| 5standard | 402 | Cattani, Peter (1498) | Lost 1-2 | -181489 |
| top | average opponent: 1530record: 2-3 | new rating: 1489 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1095 | Isenberg, Dc (1500) | Won 2-1 | +181518 |
| 2modern | 1300 | Longmire, Micah (1518) | Won 2-1 | +181536 |
| 3modern | 1018 | Murdock, Charley (1657) | Lost 0-2 | -161520 |
| 4modern | 1179 | Erler, Billy (1726) | Won 2-0 | +221542 |
| 5modern | 1144 | Sidhu, Jesse (1579) | Lost 1-2 | -171525 |
| 6modern | 1254 | Bridda, Michael (1517) | Lost 0-2 | -191506 |
| top | average opponent: 1583record: 3-3 | new rating: 1506 | ||