Southworth, Jason
Current rating: 1664
Record: 59-46-4 (GP) / 3-5 (professional)
Grand Prix Houston 2010Grand Prix Orlando 2012Grand Prix Atlanta 2012Grand Prix Charlotte 2013Grand Prix Miami 2013Grand Prix Kansas City 2013Grand Prix Detroit 2013Grand Prix Oklahoma City 2013Grand Prix Washington DC 2013Pro Tour Born of the GodsGrand Prix Orlando 2014Grand Prix Miami 2015Grand Prix Oklahoma City 2015Grand Prix Atlanta 2015
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 148 | Severson, Eric (2016) | Lost 0-2 | -111646 |
| 4sealed | 527 | Lodge III, James (1518) | Lost 0-2 | -211625 |
| 5sealed | 579 | Ley, Isaiah (1524) | Lost 0-2 | -191606 |
| 6sealed | 630 | Ray, James (1428) | Won 2-0 | +141620 |
| 7sealed | 457 | Okashah, Adam (1449) | Won 2-0 | +151635 |
| 8sealed | 325 | Sackett, Benjamin (1557) | Won 2-0 | +171652 |
| 9sealed | 222 | Long, Mike (1321) | Won 2-0 | +121664 |
| top | average opponent: 1545record: 4-3 | new rating: 1664 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1692 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 213 | Rotramel, Barrett (1487) | Lost 0-0 | -221670 |
| 4modern | 166 | Weist, Patrick (1515) | Won 2-1 | +161686 |
| 5modern | 113 | Hasstedt, Nathan (1535) | Lost 0-2 | -211665 |
| 6modern | 208 | LeFrance, Justin (1515) | Won 2-0 | +151680 |
| 7modern | 114 | Leigh, Donald (1610) | Lost 1-2 | -191661 |
| 8modern | 239 | Hemmann, Joseph (1619) | Lost 0-2 | -191642 |
| 9modern | 207 | Sigel, Kyle (1499) | Won 2-0 | +151657 |
| top | average opponent: 1540record: 3-4 | new rating: 1657 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1734 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 209 | Baxter, Drew (1631) | Lost 1-2 | -201714 |
| 4standard | 251 | Martinolich, Hannah (1455) | Lost 0-2 | -231691 |
| 5standard | 337 | Young, Dakota L (1504) | Lost 1-2 | -211670 |
| 6standard | 427 | Lucas, Michael (1484) | Won 2-0 | +151685 |
| 7standard | 310 | Cauli, Paquito (1506) | Won 2-1 | +141699 |
| 8standard | 235 | McCarty, John (1533) | Lost 0-2 | -211678 |
| 9standard | 190 | Jakimovski, Sam (1441) | Won 2-0 | +141692 |
| top | average opponent: 1508record: 3-4 | new rating: 1692 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 184 | Wishnie, John (1536) | Won 2-0 | +161629 |
| 4sealed | 65 | Roohi, Arya (1628) | Won 0-0 | +181647 |
| 5sealed | 43 | Torres, Ivan (1545) | Won 2-0 | +161663 |
| 6sealed | 20 | Dalton, Michael (1667) | Won 2-0 | +191682 |
| 7sealed | 2 | Levesque, Marc-Andre (1669) | Won 2-1 | +171699 |
| 8sealed | 1 | Cramb, Andrew (1601) | Won 2-1 | +171716 |
| 9sealed | 1 | Torro, David (1670) | Won 2-0 | +171733 |
| 10draft | 31 | Rogasner, Gabriel (1699) | Lost 0-2 | -191714 |
| 11draft | 18 | Farnung, Ian (1955) | Won 2-1 | +221736 |
| 12draft | 4 | Ceresani, Dominic (1702) | Won 2-0 | +181754 |
| 13draft | 53 | LaVine, Chris (1682) | Lost 1-2 | -201734 |
| 14draft | 3 | Myatt, Jason (1662) | Won 2-0 | +171751 |
| 15draft | 9 | Komsky, Stan (1783) | Lost 1-2 | -171734 |
| top | average opponent: 1677record: 10-3 | new rating: 1734 | ||
| Pro Tour Born of the Gods (modern) | starting rating: 1632 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 184 | Lundquist, Ben (2092) | Lost 0-2 | -101622 |
| 2draft | 172 | van Heerden, Thomas (1464) | Won 2-0 | +151637 |
| 3draft | 144 | Bjorklund, Rasmus (1953) | Lost 1-2 | -121625 |
| 4modern | 121 | Rietzl, Paul (1976) | Lost 0-2 | -121613 |
| 5modern | 153 | Fior, Daniel (1715) | Lost 1-2 | -161597 |
| 6modern | 185 | Karlsson, Rickard (1407) | Lost 0-2 | -221575 |
| 7modern | 185 | Riphat, Aziz (1526) | Won 2-1 | +171592 |
| 8modern | 165 | Woodsmith, Tristan (1724) | Won 2-1 | +211613 |
| top | average opponent: 1732record: 3-5 | new rating: 1613 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 88 | Gordon-Sand, Spencer (1553) | Won 2-1 | +161680 |
| 5legacy | 6 | Johnson, Jon (1574) | Lost 0-2 | -201660 |
| 6legacy | 78 | Lee, Garrett (1550) | Lost 0-2 | -201640 |
| 7legacy | 204 | Horne, Devon (1487) | Draw 1-1 | -21638 |
| 8legacy | 223 | Margolis, Max (1514) | Won 2-0 | +151653 |
| 9legacy | 186 | Kinney, Mark (1474) | Lost 0-2 | -211632 |
| top | average opponent: 1525record: 2-3-1 | new rating: 1632 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1673 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 202 | Froehlich, Eric (1952) | Lost 1-2 | -141659 |
| 5sealed | 298 | DeAnda, Ryan (1534) | Lost 1-2 | -201639 |
| 6sealed | 365 | Bivona, James (1490) | Lost 0-2 | -201619 |
| 7sealed | 332 | Jackson, Kevin (1420) | Won 2-0 | +141633 |
| 8sealed | 280 | Epperson, Alexander (1518) | Won 2-1 | +161649 |
| 9sealed | 240 | White, John D (1510) | Won 2-0 | +151664 |
| top | average opponent: 1571record: 3-3 | new rating: 1664 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1640 | |||
| round | table | opponent (rating) | result | Δrating |
| 4modern | 138 | Jeries, Luke (1556) | Won 2-1 | +161656 |
| 5modern | 12 | Etienne, Andrew k (1540) | Won 2-1 | +161672 |
| 6modern | 6 | Ma, Jonathan (1663) | Won 2-1 | +181690 |
| 7modern | 16 | Rasmussen, Ben (1730) | Lost 0-2 | -181672 |
| 8modern | 44 | Vance, Michael (1629) | Lost 0-2 | -181654 |
| 9modern | 103 | Sosbe, Jasin (1541) | Won 2-0 | +161670 |
| 10modern | 51 | Paquette, Aaron (1676) | Won 2-0 | +181688 |
| 11modern | 44 | Bilz, Dean (1812) | Won 2-0 | +201708 |
| 12modern | 25 | Ma, Will (1811) | Lost 1-2 | -161692 |
| 13modern | 45 | Maggard, Jakob (1602) | Lost 0-2 | -201672 |
| 14modern | 60 | Martin, Steven (1637) | Lost 0-2 | -181654 |
| 15modern | 60 | Anctil, Kevin (1704) | Won 2-1 | +191673 |
| top | average opponent: 1658record: 7-5 | new rating: 1673 | ||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 115 | Mcclain, Josh (1949) | Won 2-0 | +251565 |
| 4modern | 26 | Gonzalez, Sonny (1555) | Won 2-0 | +181583 |
| 5modern | 3 | Crouch, Ryan (1573) | Won 2-1 | +181601 |
| 6modern | 7 | Ayers, Brandon (1746) | Lost 0-2 | -151586 |
| 7modern | 25 | Zeimentz, Mike (1535) | Lost 1-2 | -191567 |
| 8modern | 57 | Juntunen, Michael (1555) | Won 2-1 | +171584 |
| 9modern | 71 | Weigel, Nate (1582) | Won 2-1 | +181602 |
| 10modern | 54 | Carson, Erik (1551) | Won 2-1 | +171619 |
| 11modern | 27 | Hunt, Matthias (1875) | Lost 1-2 | -131606 |
| 12modern | 36 | Rocha, Jerret (1619) | Lost 1-2 | -181588 |
| 13modern | 43 | Petersen, Logan (1604) | Won 2-1 | +191607 |
| 14modern | 44 | Detlefsen, Ryan (1506) | Won 2-1 | +161623 |
| 15modern | 31 | Peters, Erik (1557) | Won 2-0 | +171640 |
| top | average opponent: 1631record: 9-4 | new rating: 1640 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 37 | Giles, Mark (1537) | Lost 1-2 | -181501 |
| 4standard | 323 | Iramain, Jorge (1659) | Lost 1-2 | -151486 |
| 5standard | 442 | Abrego Carrasco, Artemio (1441) | Won 2-0 | +171503 |
| 6standard | 342 | Kerrigan, Alex (1516) | Won 2-0 | +181521 |
| 7standard | 244 | Silvestri, Jonathan (1511) | Lost 0-2 | -181503 |
| 8standard | 245 | Frye, Jeremy (1554) | Won 2-1 | +191522 |
| 9standard | 151 | Boerner, Matthew (1539) | Won 2-1 | +181540 |
| top | average opponent: 1537record: 4-3 | new rating: 1540 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 87 | Gibbins, Rick (1487) | Lost 1-2 | -181472 |
| 4sealed | 374 | Pappaterra, Pedro (1585) | Lost 1-2 | -161456 |
| 5sealed | 373 | Ponce, Fernando (1499) | Won 2-0 | +191475 |
| 6sealed | 324 | Senn, Jonathan (1529) | Won 2-1 | +191494 |
| 7sealed | 226 | Buckingham, James (1680) | Lost 1-2 | -141480 |
| 8sealed | 214 | Lockhart, Wes (1518) | Won 2-0 | +181498 |
| 9sealed | 144 | Uron, Josh (1628) | Won 2-1 | +211519 |
| top | average opponent: 1561record: 4-3 | new rating: 1519 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 51 | Hayes, Ben (1818) | Lost 0-2 | -121469 |
| 4legacy | 208 | Piland, Chris (1473) | Won 2-0 | +181487 |
| 5legacy | 214 | Case, Adam (1463) | Lost 0-2 | -181469 |
| 6legacy | 224 | Peacock, John (1428) | Won 2-0 | +171486 |
| 7legacy | 119 | Hayes, Isabel (1584) | Draw 1-1 | +21488 |
| 8legacy | 170 | Akeley, Peter (1498) | Lost 0-2 | -181470 |
| 9legacy | 205 | Koepke, Devin (1603) | Won 2-0 | +201490 |
| top | average opponent: 1553record: 3-3-1 | new rating: 1490 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 103 | Dorsett, Zachariah (1501) | Won 2-1 | +181536 |
| 3standard | 62 | Morin, Aubrey (1527) | Lost 1-2 | -181518 |
| 4standard | 215 | Malone, Michael (1452) | Lost 0-2 | -201498 |
| 5standard | 288 | Guider, Matt (1485) | Won 2-0 | +181516 |
| 6standard | 281 | LeBlanc, Austen (1501) | Won 2-1 | +181534 |
| 7standard | 166 | Turning, Travis (1655) | Lost 0-2 | -161518 |
| 8standard | 212 | Whitehurst, Clinton (1472) | Lost 1-2 | -191499 |
| 9standard | 210 | Matute, Gustavo (1501) | Lost 0-2 | -181481 |
| top | average opponent: 1512record: 3-5 | new rating: 1481 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 172 | Gipson, Tripper (1519) | Draw 1-1 | 01500 |
| 2extended | 152 | Hall, Tommy (1500) | Lost 0-2 | -181482 |
| 3extended | 227 | Orr, James (1482) | Lost 0-2 | -181464 |
| 4extended | 284 | Green, Edward (1464) | Won 2-0 | +181482 |
| 5extended | 237 | Rouse, Nicholas (1482) | Lost 1-2 | -181464 |
| 6extended | 221 | Carter, Gregory I (1464) | Draw 1-1 | 01464 |
| 7extended | 173 | McClain, Dwight (1466) | Won 2-0 | +181482 |
| 8extended | 125 | Santoro, Chris (1482) | Won 2-0 | +181500 |
| 9extended | 95 | Hartwig, Logan (1483) | Won 2-1 | +181518 |
| top | average opponent: 1483record: 4-3-2 | new rating: 1518 | ||