Ledford, Mitchell
Current rating: 1474
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 30 | Mcgrath, Matthew (1500) | Won 2-1 | +191465 |
| 2sealed | 56 | Alatis, Eric (1518) | Won 2-1 | +191484 |
| 3sealed | 40 | Costello, Anthony (1470) | Won 2-1 | +181502 |
| 4sealed | 43 | Lebedowicz, Osyp (1928) | Lost 0-2 | -111491 |
| 5sealed | 91 | Rifkind, Ryan (1536) | Lost 0-2 | -171474 |
| top | average opponent: 1590record: 3-2 | new rating: 1474 | ||
| Grand Prix Seattle 2000 (extended) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 84 | Silkin, Misha (1500) | Lost 0-0 | -181464 |
| 2extended | 84 | Ryler, Dustin (1482) | Won 0-0 | +191483 |
| 3extended | 72 | Burdick, Dan (1446) | Lost 0-0 | -191464 |
| 4extended | 100 | Moore, Devon (1484) | Lost 0-0 | -181446 |
| top | average opponent: 1478record: 1-3 | new rating: 1446 | ||
| Grand Prix San Diego 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Lai, Johnny (1500) | Lost 0-0 | -181482 |
| 2sealed | 113 | Wiens, Nathan (1482) | Won 0-0 | +181500 |
| 3sealed | 98 | Rush, Gary (1504) | Lost 0-2 | -181482 |
| top | average opponent: 1495record: 1-2 | new rating: 1482 | ||