Ledbetter, Thomas
Current rating: 1527
Record: 13-12-1
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 285 | Portillo, Avellino (1500) | Won 2-0 | +181504 |
| 2modern | 306 | Konishi, Keahi (1789) | Lost 1-2 | -131491 |
| 3modern | 1002 | Yamasaki, Takao (1507) | Lost 0-2 | -171474 |
| 4modern | 1108 | Chavarria, George (1481) | Lost 1-2 | -181456 |
| 5modern | 1348 | Winters, Scott (1469) | Won 2-0 | +181474 |
| 6modern | 1144 | Munoz, Carlos (1389) | Won 2-0 | +161490 |
| 7modern | 928 | Mitchell, Miles (1500) | Won 2-0 | +191509 |
| 8modern | 620 | Rasmussen, Ron (1445) | Won 2-0 | +161525 |
| 9modern | 420 | Peshev, Daniel (1517) | Won 2-1 | +181543 |
| 10modern | 283 | Syed, Zan (1749) | Won 2-0 | +221565 |
| 11modern | 298 | Goffart, Jonathan (1511) | Lost 0-2 | -191546 |
| 12modern | 245 | Moses, Justin (1511) | Lost 0-2 | -191527 |
| top | average opponent: 1531record: 7-5 | new rating: 1527 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Patino, Andrew (1537) | Lost 0-2 | -171503 |
| 2sealed | 293 | Smith, Robert (1579) | Lost 0-2 | -171486 |
| top | average opponent: 1558record: 0-2 | new rating: 1486 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 356 | Dong, Peicong (1500) | Lost 1-2 | -181483 |
| 2standard | 407 | Carlson, Chris (1481) | Won 2-1 | +171500 |
| 3standard | 318 | Martin, Dalton (1482) | Lost 0-2 | -181482 |
| 4standard | 546 | Milano, Anthony (1526) | Draw 1-1 | +11483 |
| 5standard | 530 | Baird, Tony (1481) | Won 2-1 | +181501 |
| 6standard | 408 | Rose, Kelly (1576) | Won 2-0 | +191520 |
| top | average opponent: 1508record: 3-2-1 | new rating: 1520 | ||
| Grand Prix Albuquerque 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 208 | Campisi, Jevon (1500) | Won 2-1 | +181518 |
| 2standard | 173 | Rubin, Rafi (1494) | Lost 0-2 | -181500 |
| 3standard | 308 | Davis, Nathaniel (1544) | Won 2-1 | +181518 |
| 4standard | 336 | Bonner, Ram (1484) | Won 2-1 | +181536 |
| 5standard | 210 | Wong, Gary (1577) | Lost 0-2 | -171519 |
| 6standard | 247 | Burnside, Josh (1519) | Lost 0-2 | -181501 |
| top | average opponent: 1520record: 3-3 | new rating: 1501 | ||