Butler, William
Current rating: 1507
Record: 15-18
| Grand Prix Oakland 2019 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 246 | Lee, William7525 (1630) | Won 2-1 | +201506 |
| 2modern | 187 | Meric, Nishan (1518) | Won 2-1 | +191525 |
| 3modern | 153 | Pence, Matthew (1676) | Lost 0-2 | -161509 |
| 4modern | 206 | Smith, Megan (1548) | Won 2-1 | +191528 |
| 5modern | 107 | Siow, Lucas (2105) | Lost 0-2 | -81520 |
| 6modern | 180 | Davila, David (1833) | Lost 1-2 | -131507 |
| top | average opponent: 1718record: 3-3 | new rating: 1507 | ||
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 101 | Malafarina, David (1535) | Lost 0-2 | -171452 |
| 2legacy | 245 | Rude, Daniel (1575) | Won 2-1 | +201472 |
| 3legacy | 218 | Folsom, Kyer (1540) | Won 2-1 | +191491 |
| 4legacy | 182 | Enos, Christopher (1522) | Won 2-0 | +191510 |
| 5legacy | 136 | Rubin, Steve (1992) | Lost 1-2 | -101500 |
| 6legacy | 230 | Vidugiris, Gaudenis (1708) | Lost 0-2 | -141486 |
| top | average opponent: 1645record: 3-3 | new rating: 1486 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 470 | Baines, Chris (1548) | Won 2-1 | +201475 |
| 2legacy | 272 | Riggs, Joseph (1462) | Won 2-1 | +171492 |
| 3legacy | 132 | Comeau, Luke (1694) | Lost 0-2 | -141478 |
| 4legacy | 435 | Tomizawa, Shin (1688) | Lost 1-2 | -141464 |
| 5legacy | 383 | Ferguson, MacLean (1505) | Won 2-0 | +191483 |
| 6legacy | 452 | Vallandry, Alex (1517) | Won 2-1 | +181501 |
| 7legacy | 309 | Davila, David (1656) | Lost 0-2 | -151486 |
| 8legacy | 287 | Worthington, Brian (1520) | Lost 0-2 | -171469 |
| top | average opponent: 1574record: 4-4 | new rating: 1469 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 769 | Desautels, Carlin (1582) | Won 2-1 | +201506 |
| 2modern | 722 | Caudillo, Zac (1615) | Lost 0-2 | -161490 |
| 3modern | 924 | Ashworth, Michael (1555) | Lost 1-2 | -171473 |
| 4modern | 1088 | Pickar, Charles (1484) | Lost 0-2 | -181455 |
| top | average opponent: 1559record: 1-3 | new rating: 1455 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 327 | Hamrick, Geoffrey (1500) | Won 2-0 | +181518 |
| 2modern | 286 | Yambo, Cyle (1500) | Lost 0-2 | -181500 |
| 3modern | 348 | Knosp, Ryan (1500) | Won 2-0 | +181518 |
| 4modern | 233 | Tiu, Timothy (1506) | Lost 0-2 | -191499 |
| 5modern | 373 | Johnson, Erik 445 (1611) | Lost 1-2 | -151484 |
| 6modern | 382 | Ruck, Stephen (1500) | Lost 0-2 | -181466 |
| 7modern | 315 | Stephens, Brendan (1604) | Lost 0-2 | -161450 |
| 8modern | 254 | Viney, William (1427) | Won 2-0 | +181468 |
| 9modern | 196 | Borodawka, Benjamin (1463) | Won 2-1 | +181486 |
| top | average opponent: 1512record: 4-5 | new rating: 1486 | ||