Lewis, William
Current rating: 1398
Record: 6-12-1
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 88 | Carter, Grant (1558) | Lost 0-2 | -151415 |
| 2modern | 317 | Jimenez Ruiz, Luis David (1423) | Lost 0-2 | -181397 |
| 3modern | 406 | Barnett, Riley (1463) | Won 2-0 | +191416 |
| 4modern | 412 | Wade, Trevor (1418) | Lost 0-2 | -181398 |
| top | average opponent: 1465record: 1-3 | new rating: 1398 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Beach, Paul (1500) | Won 2-0 | +181484 |
| 2sealed | 110 | Wohlsdorf, Matt (1621) | Lost 0-2 | -151469 |
| 3sealed | 796 | Jones, Bobby (1412) | Lost 1-2 | -191450 |
| 4sealed | 851 | Kurogi, Tamlyn (1479) | Won 2-0 | +181468 |
| 5sealed | 2183 | Mohr, Mike (1351) | Lost 1-2 | -201448 |
| 6sealed | 776 | Gillet, Jason (1449) | Lost 1-2 | -181430 |
| top | average opponent: 1468record: 2-4 | new rating: 1430 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 353 | Bustamante, Analynn (1589) | Draw 1-1 | +21502 |
| 2sealed | 287 | Stollberg, Jon (1500) | Lost 1-2 | -181484 |
| 3sealed | 513 | McGuire, Patric (1481) | Lost 1-2 | -181466 |
| top | average opponent: 1524record: 0-2-1 | new rating: 1466 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 204 | Dyga, Adam (1563) | Lost 0-2 | -171483 |
| 2standard | 391 | Hoyt, Jonathan (1482) | Won 2-0 | +181501 |
| 3standard | 318 | Palmer, Keith (1484) | Won 2-1 | +181519 |
| 4standard | 233 | Ward, Mike (1417) | Won 2-1 | +161535 |
| 5standard | 86 | Powers, Carolyn (1534) | Lost 1-2 | -181517 |
| 6standard | 198 | Skirmont, Joseph A (1587) | Lost 1-2 | -171500 |
| top | average opponent: 1511record: 3-3 | new rating: 1500 | ||