Specht, Charles
Current rating: 1385
| Grand Prix Atlanta 2018 (modern) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 73 | Solorzano, Michaelle (1547) | Draw 1-1 | +31393 |
| 2modern | 338 | Lang, Nicholas (1532) | Lost 0-2 | -151378 |
| 3modern | 625 | Smith, Ryan 7472 (1481) | Won 2-1 | +201398 |
| 4modern | 508 | Brown, Mitchell (1411) | Lost 1-2 | -181380 |
| 5modern | 604 | Liveri, Chris (1479) | Won 2-1 | +201400 |
| 6modern | 476 | Foltz, Jonathan (1504) | Won 2-0 | +201420 |
| 7modern | 352 | Rabb, Tyler (1465) | Lost 0-2 | -181402 |
| 8modern | 344 | Galatro, Vito (1443) | Lost 0-2 | -171385 |
| top | average opponent: 1483record: 3-4-1 | new rating: 1385 | ||
| Grand Prix Albuquerque 2013 (THS standard) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 153 | Burnside, Josh (1500) | Lost 1-2 | -161378 |
| 2standard | 340 | Gutierrez, Joey (1481) | Won 2-0 | +201398 |
| 3standard | 417 | Molt, Eric (1466) | Won 2-0 | +191417 |
| 4standard | 278 | Watkins, Ryan (1563) | Won 2-1 | +211438 |
| 5standard | 193 | Timmler, Kye (1568) | Lost 0-2 | -161422 |
| 6standard | 284 | Armijo, Pablo (1524) | Won 2-1 | +201442 |
| 7standard | 249 | MacDonald, Justin (1549) | Lost 1-2 | -161426 |
| 8standard | 277 | Herdman, William (1353) | Lost 1-2 | -191407 |
| 9standard | 270 | Reed, Joshua (1499) | Lost 1-2 | -171390 |
| top | average opponent: 1500record: 4-5 | new rating: 1390 | ||
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 95 | Loerke, David (1500) | Lost 0-2 | -181482 |
| 2extended | 172 | Vangor-Toth, Barron (1505) | Lost 0-2 | -181464 |
| 3extended | 167 | Einwiller, Jeff (1496) | Lost 1-2 | -171447 |
| 4extended | 198 | Filippone, Tony (1464) | Lost 1-2 | -181429 |
| 5extended | 178 | Hassey, Beau (1446) | Lost 1-2 | -171412 |
| 6extended | 150 | Baciak, Brad (1448) | Lost 0-2 | -181394 |
| top | average opponent: 1477record: 0-6 | new rating: 1394 | ||