Boysen, Bill
Current rating: 1495
Record: 13-14-2
| Grand Prix Lincoln 2012 (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 148 | Nelson, David (1500) | Lost 1-2 | -181497 |
| 2modern | 239 | Nagel, Matt (1464) | Won 2-0 | +171514 |
| 3modern | 200 | Kloosterman, Casey (1500) | Lost 0-2 | -181496 |
| 4modern | 290 | Baumgartner, Justin (1446) | Won 2-1 | +171513 |
| 5modern | 256 | Gove, Jason E (1500) | Lost 0-2 | -181495 |
| top | average opponent: 1482record: 2-3 | new rating: 1495 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 738 | Miskolitz, Brian (1518) | Lost 0-2 | -171496 |
| 3standard | 935 | Barnes, Thomas (1500) | Draw 1-1 | 01496 |
| 4standard | 894 | Miller, Blaine (1500) | Won 2-1 | +181514 |
| 5standard | 804 | Prioletti, Anthony D (1518) | Won 2-1 | +181532 |
| 6standard | 729 | Berni, Roberto (1588) | Lost 0-2 | -171515 |
| top | average opponent: 1525record: 2-2-1 | new rating: 1515 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 154 | Hua, Ming (1500) | Won 2-0 | +181509 |
| 2extended | 21 | Grace, Tannon (1658) | Lost 0-2 | -151494 |
| 3extended | 167 | Vincent, Kristopher (1500) | Won 2-1 | +181512 |
| 4extended | 104 | Pena, Ruben (1525) | Draw 1-1 | 01512 |
| 5extended | 151 | Gonzalez, Abner (1517) | Won 2-0 | +181530 |
| 6extended | 94 | Flodstrom-Sconce, Christian (1592) | Lost 1-2 | -171513 |
| top | average opponent: 1549record: 3-2-1 | new rating: 1513 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 185 | Pollard, Bob (1500) | Won 2-0 | +191482 |
| 2sealed | 56 | Chang, Morgan (1549) | Won 2-1 | +191501 |
| 3sealed | 98 | Sieber, John (1520) | Lost 0-2 | -181483 |
| 4sealed | 108 | Phillips, Cedric (1618) | Won 2-1 | +211504 |
| 5sealed | 135 | Weil, Noah (1798) | Lost 0-2 | -131491 |
| top | average opponent: 1597record: 3-2 | new rating: 1491 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 188 | Barnum, David (1484) | Lost 1-2 | -181463 |
| 2block | 255 | Nolen, Tyler (1482) | Won 2-0 | +191482 |
| 3block | 182 | Pacyga, Stephen (1500) | Won 2-0 | +181500 |
| 4block | 181 | Crossland, Matthew (1424) | Lost 1-2 | -191481 |
| 5block | 214 | Sullivan, Kyle (1501) | Lost 0-2 | -181463 |
| top | average opponent: 1478record: 2-3 | new rating: 1463 | ||
| Grand Prix Milwaukee 2002 (TOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 58 | Foley, Mike (1468) | Lost 0-2 | -191481 |
| 2standard | 277 | Burns, Ed (1482) | Won 2-0 | +181499 |
| 3standard | 196 | Fournier, Joel (1501) | Lost 1-2 | -181481 |
| top | average opponent: 1484record: 1-2 | new rating: 1481 | ||