Bamann, William
Current rating: 1463
Record: 17-21
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 97 | Thornton, Tony (1500) | Lost 0-2 | -181472 |
| 2pioneer | 517 | Rubin, Sam (1535) | Won 2-0 | +191491 |
| 3pioneer | 182 | Kiihne, Zachary (1936) | Lost 1-2 | -101481 |
| 4pioneer | 314 | Wyatt, Joseph (1506) | Lost 0-2 | -181463 |
| top | average opponent: 1619record: 1-3 | new rating: 1463 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 83 | Lohr, Kasey (1500) | Lost 0-2 | -171446 |
| 2modern | 522 | Lewis, Daniel (1468) | Won 2-1 | +191465 |
| 3modern | 596 | Kim, Abraham (1463) | Won 2-0 | +171482 |
| 4modern | 377 | Marinescu, Andra (1468) | Lost 0-2 | -181464 |
| 5modern | 537 | Cooper, Cody (1603) | Won 2-1 | +211485 |
| 6modern | 419 | Adler, John (1587) | Won 2-0 | +201505 |
| 7modern | 301 | Slutsky, Simon (1682) | Lost 1-2 | -151490 |
| top | average opponent: 1539record: 4-3 | new rating: 1490 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 330 | Beckfield, Peter (1638) | Won 2-1 | +211469 |
| 2legacy | 352 | Carriere, Dustin (1586) | Lost 0-2 | -161453 |
| 3legacy | 431 | Borish, Gregory (1698) | Lost 0-2 | -141439 |
| 4legacy | 658 | Beltran, Matthew (1552) | Won 2-0 | +211460 |
| 5legacy | 442 | Dye, Kian (1718) | Won 2-1 | +221482 |
| 6legacy | 263 | Monks, Josh (1444) | Lost 1-2 | -191463 |
| top | average opponent: 1606record: 3-3 | new rating: 1463 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 706 | Elliott, Kevin (1549) | Lost 1-2 | -171468 |
| 2modern | 2144 | Orr, Julia (1448) | Won 2-0 | +171485 |
| 3modern | 806 | Weber, Paul (1367) | Lost 1-2 | -201465 |
| 4modern | 1307 | Zeatlow, Aaron (1485) | Lost 0-2 | -171448 |
| top | average opponent: 1462record: 1-3 | new rating: 1448 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 455 | Berenson, Jason (1481) | Lost 0-2 | -181485 |
| top | record: 0-1 | new rating: 1485 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2443 | Guillen, Lucas (1597) | Won 2-1 | +201501 |
| 2modern | 2314 | Mura, Robert (1518) | Lost 1-2 | -171484 |
| 3modern | 2334 | Ridgeway, Eric (1462) | Won 2-1 | +171501 |
| 4modern | 2224 | Kielek, Kayla (1377) | Won 2-1 | +161517 |
| 5modern | 2206 | Pollock, Harris (1533) | Lost 1-2 | -181499 |
| 6modern | 2274 | Greene, Mack (1489) | Won 2-1 | +181517 |
| 7modern | 2238 | LaBelle, Brandon (1526) | Lost 1-2 | -181499 |
| 8modern | 2344 | Hausmanis, Peter (1535) | Won 2-1 | +191518 |
| 9modern | 2184 | Wright, Alexander (1679) | Lost 1-2 | -151503 |
| top | average opponent: 1524record: 5-4 | new rating: 1503 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 69 | Rezende, Bryan (1517) | Won 2-0 | +181500 |
| 2sealed | 199 | Smith, Dane (1446) | Won 2-1 | +171517 |
| 3sealed | 79 | Stewart, Lesli (1500) | Lost 1-2 | -181499 |
| 4sealed | 317 | Jefferies, Mark (1516) | Lost 0-2 | -181481 |
| top | average opponent: 1495record: 2-2 | new rating: 1481 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 233 | Breadmore, Adam (1500) | Lost 1-2 | -181482 |
| 2modern | 231 | Duane, Joshua (1482) | Won 2-1 | +181500 |
| 3modern | 284 | Baker, Jake (1482) | Lost 1-2 | -181482 |
| top | average opponent: 1488record: 1-2 | new rating: 1482 | ||