Williams, Corey
Current rating: 1467
Record: 18-20
| Grand Prix Phoenix 2019 (ELD limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Vargo, Raymond (1459) | Won 2-1 | +181472 |
| 2sealed | 4 | Lavandier, Erick (1349) | Won 2-0 | +161488 |
| 3sealed | 111 | Marts, Logan (1843) | Lost 0-2 | -121476 |
| 4sealed | 89 | Le, Sonny (1566) | Lost 1-2 | -161460 |
| 5sealed | 145 | Baker, Kazi (1739) | Lost 1-2 | -131447 |
| 6sealed | 119 | Jordan, Robert (1413) | Won 2-0 | +171464 |
| 7sealed | 145 | Watson, Collin (1494) | Won 2-0 | +191483 |
| 8sealed | 96 | Hamasoor, Delan (1626) | Lost 1-2 | -161467 |
| top | average opponent: 1561record: 4-4 | new rating: 1467 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 270 | Kohrs, Brandon (1677) | Lost 1-2 | -151530 |
| 2modern | 428 | Bobick, Zach (1469) | Lost 1-2 | -191511 |
| 3modern | 635 | Thompson, Nathan (1500) | Lost 0-2 | -191492 |
| 4modern | 720 | Pledger, Dustin (1489) | Lost 1-2 | -181474 |
| 5modern | 677 | Gibbons, Jayson (1429) | Lost 1-2 | -191455 |
| 6modern | 599 | Crosby, William (1411) | Lost 1-2 | -181437 |
| 7modern | 508 | Parrish, Patrick (1404) | Won 2-0 | +171454 |
| top | average opponent: 1483record: 1-6 | new rating: 1454 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 202 | Cullers, Cory (1501) | Won 2-0 | +171570 |
| 2standard | 57 | Davis, Shawn (1599) | Lost 0-2 | -181552 |
| 3standard | 266 | Scheibel, James (1351) | Lost 0-2 | -211531 |
| 4standard | 397 | Abbas, Tawfik (1482) | Won 2-1 | +171548 |
| 5standard | 331 | Thomas, Laparker (1503) | Won 2-0 | +171565 |
| 6standard | 193 | Spalding, Jeff (1473) | Lost 1-2 | -201545 |
| top | average opponent: 1485record: 3-3 | new rating: 1545 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 559 | Nease, Steven (1500) | Won 2-1 | +181517 |
| 2modern | 381 | Anderson, Marc (1558) | Won 2-1 | +191536 |
| 3modern | 333 | Decker, Mike (1540) | Lost 1-2 | -181518 |
| 4modern | 420 | Cleaver, John (1555) | Won 2-0 | +181536 |
| 5modern | 315 | Del Pino, Brent (1551) | Lost 0-2 | -171519 |
| 6modern | 439 | Metcalf, Keith B (1518) | Won 2-1 | +181537 |
| 7modern | 386 | Wolloch, Sam (1628) | Won 2-1 | +191556 |
| 8modern | 301 | Starkey, Lon (1383) | Won 2-0 | +151571 |
| 9modern | 285 | Eaton, Cameron (1538) | Lost 0-2 | -181553 |
| top | average opponent: 1530record: 6-3 | new rating: 1553 | ||
| Grand Prix Minneapolis 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 219 | Bishop, Stephen (1630) | Lost 1-2 | -161484 |
| 2standard | 298 | McPherson, Robert (1429) | Lost 0-2 | -191465 |
| 3standard | 416 | Miller, Chevy L (1411) | Won 2-0 | +171482 |
| 4standard | 437 | Karls, James D (1484) | Won 2-1 | +181500 |
| 5standard | 373 | Brancamp, Aaron (1499) | Lost 1-2 | -181482 |
| 6standard | 374 | Sorensen, Peter J (1449) | Won 2-0 | +181500 |
| 7standard | 254 | Salway, Ashlund (1437) | Won 2-0 | +171517 |
| 8standard | 167 | Becker, Nolan (1536) | Lost 1-2 | -181499 |
| top | average opponent: 1484record: 4-4 | new rating: 1499 | ||