Lannan, Jason
Current rating: 1534
Record: 41-38-1 (GP) / 3-6 (professional)
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 125 | Draper, Braden (1487) | Draw 1-1 | -11558 |
| 2standard | 231 | Day, Donovan (1422) | Lost 1-2 | -201538 |
| 3standard | 360 | Tucker, Brian (1475) | Lost 0-2 | -201518 |
| 4standard | 412 | Kohon, Michael (1466) | Won 2-1 | +171535 |
| 5standard | 320 | Castro, Rafael (1489) | Won 2-1 | +181553 |
| 6standard | 235 | Dorian, Tevan (1538) | Lost 0-2 | -191534 |
| top | average opponent: 1480record: 2-3-1 | new rating: 1534 | ||
| Players Tour Online 3 (MTGA IKO standard) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 15 | Wu, Kuang (1569) | Won 2-1 | +181616 |
| 2standard | 9 | Moriyama, Masahide (1784) | Won 2-0 | +211637 |
| 3standard | 8 | Dixon, Ben (1663) | Lost 0-2 | -181619 |
| 4standard | 16 | Takahashi, Yuta (2127) | Lost 1-2 | -91610 |
| 5standard | 37 | Abe, Yusuke (1518) | Won 2-1 | +161626 |
| 6standard | 27 | Stark, Ben S (1865) | Lost 0-2 | -141612 |
| 7standard | 31 | Yamashita, Hiroki (1607) | Lost 0-2 | -181594 |
| 8standard | 47 | Mikami, Akihiro (1601) | Lost 0-2 | -181576 |
| 9standard | 50 | Howe, Joshua (1623) | Lost 0-2 | -171559 |
| top | average opponent: 1706record: 3-6 | new rating: 1559 | ||
| Grand Prix Reno 2020 (THB limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 16 | Lovett, Sara (1593) | Won 2-0 | +171633 |
| 4sealed | 71 | Ezroj, Aaron (1731) | Lost 0-2 | -161617 |
| 5sealed | 79 | Merrill, Shane (1618) | Won 2-1 | +181635 |
| 6sealed | 54 | Bridges, Kayla (1374) | Won 2-0 | +131648 |
| 7sealed | 31 | Candreva, Christopher (1901) | Won 2-1 | +231671 |
| 8sealed | 13 | Hayden, Maxwell (1834) | Lost 0-2 | -151656 |
| 9sealed | 145 | Gates, James (1785) | Lost 1-2 | -161640 |
| 10draft | 150 | Benedetti, Antony (1695) | Lost 1-2 | -171623 |
| 11draft | 149 | Jianu, Michael (1552) | Lost 0-2 | -191604 |
| 12draft | 149 | Lallemand, John (1539) | Lost 0-2 | -191585 |
| 13draft | 137 | Nossett, Miles (1507) | Won 2-0 | +161601 |
| 14draft | 147 | Hryshchenko, Viktoriia (1573) | Lost 0-2 | -181583 |
| 15draft | 152 | Russell, Ronnie (1456) | Won 2-0 | +151598 |
| top | average opponent: 1627record: 6-7 | new rating: 1598 | ||
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 33 | Hittell, Justin (1652) | Won 2-1 | +191638 |
| 4standard | 85 | Boss, Brian (1717) | Lost 0-0 | -171621 |
| 5standard | 121 | Ronna, Skyler (1543) | Lost 0-2 | -191602 |
| 6standard | 229 | Kilburn, Brad (1495) | Won 2-0 | +161618 |
| 7standard | 87 | Taggart, Chris (1546) | Lost 1-2 | -201598 |
| 8standard | 126 | Roether, Oscar (1549) | Won 2-0 | +181616 |
| top | average opponent: 1584record: 3-3 | new rating: 1616 | ||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1659 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 172 | Pitts, William (1539) | Lost 0-2 | -201639 |
| 4standard | 299 | Crespo, Freddie (1527) | Won 2-0 | +161655 |
| 5standard | 111 | Ballard, James (1534) | Lost 1-2 | -211634 |
| 6standard | 286 | Ranney, Ryan (1475) | Lost 0-2 | -201614 |
| 7standard | 238 | Lopez, Andrew (1641) | Won 2-0 | +181632 |
| 8standard | 169 | Utsunomiya, Takumi (1920) | Lost 1-2 | -131619 |
| top | average opponent: 1606record: 2-4 | new rating: 1619 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1729 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 120 | Gomez, David (1720) | Won 2-1 | +171746 |
| 3standard | 33 | Chang, Calvin (1638) | Lost 0-2 | -201726 |
| 4standard | 342 | Swantz, Austin (1721) | Lost 0-2 | -181708 |
| 5standard | 370 | Gauthier, Brendan (1500) | Won 2-1 | +151723 |
| 6standard | 201 | Malinowski, Mike (1563) | Lost 0-2 | -211702 |
| 7standard | 288 | Vanden Oever, Eric (1530) | Lost 1-2 | -211681 |
| 8standard | 334 | Dauksis, Craig (1467) | Lost 1-2 | -221659 |
| top | average opponent: 1591record: 2-5 | new rating: 1659 | ||
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1642 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 34 | Russell, Joseph (1486) | Won 2-1 | +151657 |
| 3sealed | 166 | Rutledge, Jamie (1500) | Won 2-0 | +151672 |
| 4sealed | 25 | Zureick-Brown, David (1559) | Won 2-1 | +161688 |
| 5sealed | 18 | Chenard, Frederic (1535) | Won 2-0 | +151703 |
| 6sealed | 2 | Gavlik, Cash (1614) | Won 1-0 | +171720 |
| 7sealed | 15 | Trojan, Jay (2032) | Lost 0-2 | -131707 |
| 8sealed | 31 | Mackie, Kevin (1785) | Won 2-0 | +201727 |
| 9sealed | 21 | Pierce, David M (1598) | Lost 1-2 | -211706 |
| 10draft | 89 | Garcia Rosas, Jose Daniel (1876) | Lost 0-2 | -151691 |
| 11draft | 105 | Niday, Lucas (1722) | Won 2-0 | +191710 |
| 12draft | 103 | Jacobson, Mark (2008) | Won 2-0 | +231733 |
| 13draft | 75 | Braun-Duin, Brian (2128) | Lost 0-2 | -111722 |
| 14draft | 60 | Swanson, Erik (1848) | Lost 0-2 | -161706 |
| 15draft | 40 | Yeem, Soohwang (1948) | Won 2-1 | +231729 |
| top | average opponent: 1760record: 9-5 | new rating: 1729 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 178 | Hurst, Tim (1609) | Won 2-1 | +201553 |
| 2standard | 70 | Skipworth, Nathan (1398) | Won 2-0 | +151568 |
| 3standard | 177 | [anonymous] | Lost 0-2 | -121556 |
| 4standard | 159 | Perigo, Nathanael (1692) | Lost 1-2 | -161540 |
| 5standard | 376 | DeLeve, Kevin (1423) | Won 2-0 | +161556 |
| 6standard | 290 | Yannarella, David (1336) | Won 2-1 | +141570 |
| 7standard | 164 | Chandler, Charles (1533) | Won 2-1 | +181588 |
| 8standard | 81 | Hardie, Brian (1657) | Won 2-1 | +191607 |
| 9standard | 50 | Sudibjo, Alexander (1677) | Won 2-1 | +191626 |
| 10standard | 44 | Van Cleave, Trey (1913) | Lost 0-2 | -131613 |
| 11standard | 75 | Miller, Sean (1862) | Lost 0-2 | -131600 |
| 12standard | 91 | Egan, Kevin (1775) | Won 2-1 | +211621 |
| 13standard | 73 | Richey, Richard (1654) | Won 2-0 | +181639 |
| 14standard | 42 | John, Julian (1830) | Lost 0-2 | -141625 |
| 15standard | 68 | Goff, Parker (1566) | Won 2-0 | +171642 |
| top | average opponent: 1656record: 10-5 | new rating: 1642 | ||
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 79 | Cox, Trevor (1500) | Won 2-0 | +171526 |
| 2standard | 178 | Wohlsdorf, Matt (1688) | Lost 0-2 | -151511 |
| 3standard | 234 | Petty, Bradford (1451) | Won 2-0 | +171528 |
| 4standard | 140 | Perigo, Nathanael (1594) | Won 2-0 | +191547 |
| 5standard | 171 | Asbach, John (1777) | Lost 1-2 | -131534 |
| 6standard | 172 | Kuzma, Chuck (1553) | Won 2-0 | +181552 |
| 7standard | 92 | Weston, Kyle (1515) | Lost 0-2 | -191533 |
| top | average opponent: 1583record: 4-3 | new rating: 1533 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 332 | Myrick, Ethan (1803) | Won 2-1 | +231523 |
| 3sealed | 109 | Laughlin, Pierson (1652) | Lost 1-2 | -151508 |
| 4sealed | 309 | Litzinger, Sean (1518) | Lost 1-2 | -181490 |
| 5sealed | 409 | Granade, James (1503) | Won 2-1 | +181508 |
| 6sealed | 310 | Marin, Richard (1493) | Won 2-1 | +181526 |
| 7sealed | 235 | Ho, Anthony (1562) | Lost 1-2 | -171509 |
| top | average opponent: 1589record: 3-3 | new rating: 1509 | ||