Jen, Arthur
Current rating: 1811 (#1937)
Record: 50-28-7 (GP) / 0-4-1 (professional)
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1820 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Sprunger, Brock (1446) | Lost 0-2 | -251795 |
| 2standard | 158 | Yoo, Eric (1498) | Won 2-1 | +131808 |
| 3standard | 156 | Dominquez, Derek (1541) | Won 0-0 | +131821 |
| 4standard | 147 | Martinez, Jonathan 3287 (1523) | Lost 1-2 | -231798 |
| 5standard | 162 | Luce, Aleisia (1498) | Won 2-0 | +121810 |
| 6standard | 120 | Alfano, Chris (1519) | Won 2-0 | +131823 |
| 7standard | 78 | Roether, Oscar (1540) | Lost 1-2 | -231800 |
| 8standard | 117 | Montarbo, Vernon (1393) | Won 2-0 | +111811 |
| top | average opponent: 1495record: 5-3 | new rating: 1811 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1813 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 595 | Shaffstall, John (1490) | Won 2-0 | +121825 |
| B2sealed | 514 | Brown, Adam (1549) | Lost 1-2 | -231802 |
| B3sealed | 399 | Cohen, David (1448) | Won 2-0 | +121814 |
| B4sealed | 180 | Chen, Michael (1698) | Lost 1-2 | -201794 |
| B5sealed | 400 | Eady, Brent (1774) | Lost 1-2 | -191775 |
| B6sealed | 332 | Haynes, Derek (1482) | Won 2-0 | +131788 |
| B7sealed | 234 | Morrison, Jayce (1599) | Won 2-1 | +151803 |
| B8sealed | 170 | Tan, James (1731) | Won 2-1 | +171820 |
| top | average opponent: 1596record: 5-3 | new rating: 1820 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1761 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 293 | Mclellan, Alastair (1500) | Won 2-0 | +131774 |
| 2sealed | 86 | Fiedler, Tim (1517) | Won 2-0 | +141788 |
| 3sealed | 164 | Passarelli, Hayden (1701) | Draw 1-1 | -21786 |
| 4sealed | 95 | Friesen, Nick (1505) | Won 2-0 | +131799 |
| 5sealed | 54 | Carlson, Anders (1547) | Won 2-0 | +141813 |
| top | average opponent: 1554record: 4-0-1 | new rating: 1813 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1726 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 629 | Agee, Austin (1483) | Won 2-0 | +141740 |
| 2modern | 141 | Olson, David (1517) | Won 2-0 | +141754 |
| 3modern | 223 | Liu, Richard (1902) | Lost 0-2 | -161738 |
| 4modern | 527 | Betschart, Brad (1569) | Won 2-0 | +151753 |
| 5modern | 119 | Ho, Chad (1555) | Won 2-1 | +151768 |
| 6modern | 98 | Sullivan, Caleb (1603) | Won 2-0 | +151783 |
| 7modern | 32 | Daniel, Michael (1578) | Lost 0-2 | -221761 |
| top | average opponent: 1601record: 5-2 | new rating: 1761 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1671 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 135 | Johnson, Nathan (1487) | Won 2-0 | +151686 |
| 3standard | 271 | Rikhof, Daven (1555) | Won 2-0 | +151701 |
| 4standard | 60 | Sundholm, Peter (1600) | Won 2-1 | +161717 |
| 5standard | 63 | Maier, Christopher (2000) | Draw 1-1 | +51722 |
| 6standard | 48 | Culotta, Martin (1550) | Lost 0-2 | -211701 |
| 7standard | 123 | Mound, Josh (1626) | Won 2-1 | +171718 |
| 8standard | 77 | Gaxiola, Joshua (1682) | Won 2-1 | +171735 |
| 9standard | 1039 | Knox, Nathaniel (1921) | Lost 1-2 | -141721 |
| 10standard | 1093 | Marmulstein, Rion (1791) | Won 2-1 | +191740 |
| 11standard | 1056 | Boncher, Andrew (1909) | Lost 1-2 | -151725 |
| 12standard | 1087 | Mei, Mike Songhao (1670) | Won 2-0 | +171742 |
| 13standard | 1061 | Williams, David A (1950) | Draw 1-1 | +41746 |
| 14standard | 1078 | Buck, William (1654) | Lost 0-2 | -201726 |
| top | average opponent: 1723record: 7-4-2 | new rating: 1726 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 442 | Stickney, Kameron (1449) | Won 2-0 | +171562 |
| 2standard | 317 | Rodriguez, Brandon (1304) | Won 2-0 | +131575 |
| 3standard | 237 | Ross, JonErik (1534) | Won 2-0 | +171592 |
| 4standard | 49 | Bedell, Rodney (1576) | Lost 0-2 | -181574 |
| 5standard | 113 | Fontaine, Chris (1600) | Won 2-1 | +191593 |
| 6standard | 165 | Folsom, Kyer (1574) | Lost 1-2 | -191574 |
| 7standard | 191 | Buaiz, Christopher (1511) | Won 2-1 | +171591 |
| 8standard | 109 | VanNostrand, Robert (1549) | Won 2-0 | +171608 |
| 9standard | 107 | Becker, Matthias (1547) | Won 2-0 | +171625 |
| 10standard | 58 | Smith, Isaac (1753) | Draw 1-1 | +21627 |
| 11standard | 52 | De Jong, Brandon (1793) | Draw 1-1 | +31630 |
| 12standard | 98 | Schultze, Nate (1608) | Won 2-0 | +181648 |
| 13standard | 64 | Botelho, Chris (1844) | Lost 0-2 | -141634 |
| 14standard | 96 | Lloyd, Tyrus (1689) | Won 2-0 | +191653 |
| 15standard | 68 | De Blois, Paul (1670) | Won 2-0 | +181671 |
| top | average opponent: 1600record: 10-3-2 | new rating: 1671 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 599 | Lassen, Nicholas (1462) | Won 2-0 | +171537 |
| 2sealed | 120 | Jalasto, Sampo (1567) | Won 2-1 | +191556 |
| 3sealed | 360 | Reeves, Kyle (1540) | Lost 0-2 | -181538 |
| 4sealed | 365 | Chavez, Anthony (1474) | Won 2-1 | +161554 |
| 5sealed | 158 | Sherman, Sam (1806) | Won 2-1 | +231577 |
| 6sealed | 121 | Durov, Anton (1685) | Lost 0-2 | -161561 |
| 7sealed | 259 | Abrams, Daniel (1592) | Lost 0-2 | -181543 |
| 8sealed | 365 | Nguyen, Daniel (1695) | Won 2-1 | +211564 |
| 9sealed | 255 | Neill, Nick (1525) | Lost 1-2 | -191545 |
| top | average opponent: 1594record: 5-4 | new rating: 1545 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 174 | Logsdon, Tai (1540) | Won 2-0 | +201464 |
| 4standard | 126 | Normandin, Ryan (1810) | Won 2-0 | +241488 |
| 5standard | 13 | Tao, Jiachen (1932) | Lost 0-0 | -111477 |
| 6standard | 96 | Johnston, Brett (1852) | Draw 1-1 | +71484 |
| 7standard | 130 | Wise, Steve (1801) | Won 2-0 | +241508 |
| 8standard | 76 | McDaniel, Charles (1696) | Won 2-0 | +211529 |
| 9standard | 41 | Fortanely, Bobby (1859) | Lost 0-2 | -121517 |
| 10standard | 106 | Sellers, Josh (1675) | Draw 1-1 | +31520 |
| 11standard | 149 | Smith, Zachary (1517) | Won 2-1 | +181538 |
| 12standard | 100 | Lossett, Joe (2073) | Won 2-1 | +271565 |
| 13standard | 67 | Ward, Daniel (1935) | Lost 0-2 | -121553 |
| 14standard | 99 | Lew, Michael (1654) | Lost 1-2 | -161537 |
| 15standard | 114 | Petersen, Ben (1624) | Lost 0-2 | -171520 |
| top | average opponent: 1767record: 6-5-2 | new rating: 1520 | ||
| Pro Tour Kaladesh (KLD standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 75 | Hoaen, Rich (1979) | Draw 1-1 | +81491 |
| 2draft | 75 | Lee, Shi Tian (2058) | Lost 1-2 | -81483 |
| 3draft | 73 | Ramirez Sanchez, Emmanuel (1886) | Lost 1-2 | -111472 |
| 4standard | 205 | Sim, Chapman (1826) | Lost 0-2 | -121460 |
| 5standard | 218 | McCarthy, Erik (1573) | Lost 0-2 | -161444 |
| top | average opponent: 1864record: 0-4-1 | new rating: 1444 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 395 | Thomas, Chris (1539) | Lost 1-2 | -171483 |
| 2modern | 378 | Zhang, Kevin (1488) | Won 2-1 | +181501 |
| 3modern | 237 | Liprandi, Maximiliano (1674) | Lost 1-2 | -151486 |
| 4modern | 448 | Lowe, Jeff (1429) | Won 2-0 | +171503 |
| 5modern | 247 | Janzen, Konrad (1487) | Won 2-1 | +181521 |
| 6modern | 156 | Anderson, Jacob (1492) | Lost 1-2 | -191502 |
| 7modern | 254 | Kirby, Scott (1449) | Lost 1-2 | -191483 |
| top | average opponent: 1508record: 3-4 | new rating: 1483 | ||