Williams, Spencer 627
Current rating: 1518
Record: 8-7-2
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 430 | Yuen, William (1516) | Draw 1-1 | 01515 |
| 2modern | 412 | Johnson, Carl (1556) | Lost 1-2 | -171498 |
| 3modern | 721 | Baranger, Mathilde (1485) | Won 2-1 | +171515 |
| 4modern | 559 | Recksiek, Justin (1501) | Won 2-0 | +181533 |
| 5modern | 374 | Chow, Harold (1660) | Lost 0-2 | -151518 |
| top | average opponent: 1544record: 2-2-1 | new rating: 1518 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 197 | Austin, Antaeus (1500) | Lost 0-2 | -191533 |
| 2modern | 335 | Vento, Alecz (1482) | Won 2-0 | +171550 |
| 3modern | 266 | Hlavac, Phillip (1504) | Lost 0-2 | -181532 |
| 4modern | 413 | Wiggins, Ethan (1609) | Lost 0-2 | -171515 |
| top | average opponent: 1524record: 1-3 | new rating: 1515 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 475 | McAlexander, Ryan (1500) | Won 2-1 | +181518 |
| 2modern | 46 | Shayne, Jake (1511) | Draw 1-1 | 01518 |
| 3modern | 358 | Davila, Anthony (1476) | Won 2-0 | +171535 |
| 4modern | 185 | Laughton, Don (1446) | Won 2-1 | +161551 |
| 5modern | 92 | Unger, Daniel (1550) | Won 2-1 | +181569 |
| 6modern | 45 | Hubbard, John (1566) | Lost 1-2 | -181551 |
| 7modern | 133 | Garcia, Eduardo (1605) | Won 1-0 | +191570 |
| 8modern | 78 | Moran, James (1563) | Lost 0-2 | -181552 |
| top | average opponent: 1527record: 5-2-1 | new rating: 1552 | ||