Medford, Ronald
Current rating: 1483
Record: 6-7-1
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 66 | Blackwell, John (1503) | Lost 0-2 | -171446 |
| 2modern | 319 | Guerrero, Eric (1483) | Draw 1-1 | +11447 |
| 3modern | 608 | Mailloux, Jess (1458) | Won 2-1 | +181465 |
| 4modern | 378 | Carter, Bryan (1499) | Won 2-0 | +191484 |
| 5modern | 37 | Fischer, Dana (1312) | Won 2-1 | +151499 |
| 6modern | 168 | Malone, Nathan (1541) | Won 2-0 | +181517 |
| 7modern | 98 | Alford, Gerrick (1618) | Lost 0-2 | -161501 |
| 8modern | 174 | Burchett, Richard (1507) | Lost 0-2 | -181483 |
| average opponent: 1490record: 4-3-1 | new rating: 1483 | |||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Joiner, Rob (1464) | Lost 1-2 | -191481 |
| 2standard | 385 | Klopchic, Luke (1482) | Lost 0-2 | -181463 |
| 3standard | 461 | Johnson, Logan (1463) | Won 2-0 | +181481 |
| 4standard | 411 | Van Zuiden, Kyle W (1483) | Won 2-1 | +181499 |
| 5standard | 329 | Garnett, Derek (1502) | Lost 1-2 | -181481 |
| 6standard | 374 | Keller, Israel (1482) | Lost 0-2 | -181463 |
| average opponent: 1479record: 2-4 | new rating: 1463 | |||