Josephsen, Jacob
Current rating: 1651
Record: 22-13
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 137 | Xue, Charles (1500) | Lost 1-2 | -211644 |
| 2sealed | 217 | Lim, Jack (1411) | Won 2-1 | +131657 |
| 3sealed | 219 | Hamilton, Jeramie (1499) | Won 2-1 | +161673 |
| 4sealed | 185 | Johnson, Cody (1462) | Lost 0-2 | -221651 |
| top | average opponent: 1468record: 2-2 | new rating: 1651 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1647 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 299 | Aviles, Arturo (1500) | Lost 1-2 | -211626 |
| 3sealed | 379 | Thomson, Brandon (1429) | Lost 1-2 | -221604 |
| 4sealed | 508 | Smith, Brian W (1482) | Won 2-1 | +161620 |
| 5sealed | 377 | Yeung, Tim (1499) | Won 2-0 | +161636 |
| 6sealed | 284 | Gulevich, Jason (1503) | Won 2-1 | +151651 |
| 7sealed | 231 | Pikula, Chris (1647) | Lost 0-2 | -181633 |
| 8sealed | 208 | Kesting, Joseph (1515) | Won 2-1 | +161649 |
| 9sealed | 143 | Pasillas, Ernest (1503) | Won 2-0 | +161665 |
| top | average opponent: 1510record: 5-3 | new rating: 1665 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Wong, Jackson (1500) | Won 2-0 | +171540 |
| 2sealed | 176 | Green, Chris (1500) | Won 2-0 | +171557 |
| 3sealed | 2 | Aparicio, Keith (1470) | Won 2-0 | +171574 |
| 4sealed | 37 | Wu, Alvan (1553) | Won 2-1 | +171591 |
| 5sealed | 72 | Whiteman, Raymond (1575) | Won 2-1 | +181609 |
| 6sealed | 24 | Kibler, Brian (2126) | Lost 1-2 | -91600 |
| 7sealed | 73 | Tsao, Alvin (1547) | Won 2-0 | +171617 |
| 8sealed | 11 | Saito, Tomoharu (2060) | Won 2-1 | +251642 |
| 9sealed | 18 | Zappelli, BJ (1516) | Lost 1-2 | -201622 |
| 10sealed | 51 | Nguyen, James (1696) | Won 2-1 | +201642 |
| 11draft | 66 | Bentkowski, Timothy (1594) | Won 2-0 | +171659 |
| 12draft | 57 | Mitchell, Chris (1622) | Won 2-0 | +171676 |
| 13draft | 26 | Cooper, Caleb D (1661) | Won 2-1 | +181694 |
| 14draft | 20 | Zawalsky, Ryan (1649) | Lost 1-2 | -191675 |
| 15draft | 35 | Beare, Tom (1705) | Lost 1-2 | -181657 |
| 16draft | 62 | Kibler, Brian (2069) | Lost 0-2 | -101647 |
| top | average opponent: 1678record: 11-5 | new rating: 1647 | ||
| Grand Prix Seattle 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 13 | Aubertin, Justin (1500) | Lost 0-0 | -181482 |
| 2extended | 118 | Earth, Steve (1481) | Lost 0-0 | -181464 |
| 3extended | 113 | Phillips Sr., Charles (1464) | Won 0-0 | +181482 |
| 4extended | 126 | Dunlap, Michael (1482) | Won 0-0 | +181500 |
| 5extended | 79 | Huss, Chris (1500) | Won 0-0 | +181518 |
| 6extended | 59 | Schaper, David (1516) | Won 0-0 | +181536 |
| 7extended | 51 | Shvartsman, Alex (1797) | Lost 0-0 | -131523 |
| top | average opponent: 1534record: 4-3 | new rating: 1523 | ||