Pei, Joseph
Current rating: 1778 (#2860)
Record: 47-26-2 (GP) / 7-8 (professional)
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1823 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 413 | Miranda, Paul (1455) | Won 2-0 | +111834 |
| 2sealed | 41 | Shields, True (1577) | Won 2-0 | +141848 |
| 3sealed | 151 | Robinson, Eli (1564) | Lost 0-2 | -231825 |
| 4sealed | 356 | Ware, Dennis (1493) | Lost 0-2 | -241801 |
| 5sealed | 355 | Chiang, Timothy (1509) | Lost 1-2 | -231778 |
| top | average opponent: 1520record: 2-3 | new rating: 1778 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1717 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 474 | Auditore, Ezio (1500) | Won 2-0 | +141731 |
| 2sealed | 216 | Alvarado Picazo, Arturo (1629) | Won 2-1 | +161747 |
| 3sealed | 326 | Mccullough, Matthew (1705) | Won 2-1 | +171764 |
| 4sealed | 154 | Newbom, Aaron (1565) | Won 2-0 | +151779 |
| 5sealed | 46 | Lloyd, Jed (1589) | Won 2-0 | +141793 |
| 6sealed | 41 | Weitz, Benjamin (2029) | Won 2-0 | +221815 |
| 7sealed | 21 | Valencourt, Alex (1642) | Lost 0-2 | -211794 |
| 8sealed | 64 | Corvese, Harry (1930) | Lost 1-2 | -151779 |
| 9sealed | 92 | Knight, Zach (1580) | Won 2-1 | +141793 |
| 10draft | 138 | Sinclair, Brett (1880) | Won 2-1 | +201813 |
| 11draft | 205 | Aull, Katherine (1590) | Won 0-0 | +141827 |
| 12draft | 74 | Koessel, Noah (1775) | Lost 0-2 | -191808 |
| 13draft | 198 | Bartolome, Joseph (1670) | Won 2-0 | +151823 |
| 14draft | 91 | Ritter, Jacob (1754) | Lost 1-2 | -191804 |
| 15draft | 14 | Berrios, Stephen (1847) | Won 2-1 | +191823 |
| top | average opponent: 1712record: 11-4 | new rating: 1823 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1735 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 124 | Yandrofski, Seth (1508) | Won 2-0 | +141749 |
| 4standard | 16 | Rutherford, Brad (1536) | Won 2-0 | +141763 |
| 5standard | 13 | Molina, Cody (1704) | Lost 0-2 | -191744 |
| 6standard | 143 | Cathro, Daniel (1581) | Lost 1-2 | -211723 |
| 7standard | 247 | Baros, Zach (1502) | Won 2-1 | +141737 |
| 8standard | 165 | Oliver, Neal (1932) | Lost 0-2 | -141723 |
| 9standard | 197 | Dyvad, Alexander (1552) | Won 2-0 | +151738 |
| 10standard | 171 | Edelson, Jordan (1563) | Lost 1-2 | -211717 |
| top | average opponent: 1610record: 4-4 | new rating: 1717 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1729 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 61 | Mandelblatt, Zach (1588) | Won 2-1 | +151744 |
| 4standard | 69 | Tran, Brian (1537) | Won 2-0 | +141758 |
| 5standard | 52 | Dias, Kalel (1536) | Won 2-1 | +141772 |
| 6standard | 28 | Maes, Robert (1435) | Won 2-1 | +121784 |
| 7standard | 7 | Kibler, Brian (1886) | Lost 0-2 | -161768 |
| 8standard | 63 | Paraschiv, Vlad (1685) | Lost 0-2 | -191749 |
| 9standard | 53 | Stark, Ben S (2008) | Lost 0-2 | -141735 |
| top | average opponent: 1668record: 4-3 | new rating: 1735 | ||
| Pro Tour Khans of Tarkir (KTK standard) | starting rating: 1738 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 13 | Lyu, Li Ciang (1876) | Won 2-0 | +211759 |
| 2draft | 164 | Jetha, David (1547) | Lost 1-2 | -221737 |
| 3draft | 70 | Giraldo, Juan Fernando (1500) | Lost 1-2 | -221715 |
| 4standard | 120 | Elenbogen, Andrew (1853) | Lost 0-2 | -161699 |
| 5standard | 140 | Boswell, Andrew (1923) | Won 2-0 | +221721 |
| 6standard | 115 | Freeman, Marcelino (1847) | Won 2-1 | +201741 |
| 7standard | 99 | Van Etten, Bart (1638) | Lost 1-2 | -201721 |
| 8standard | 132 | Jones, Nathan [CAN] (1882) | Won 2-0 | +211742 |
| 10draft | 10 | Bitter, Victor (1806) | Won 2-0 | +201762 |
| 11draft | 43 | Majors, Michael (1913) | Won 2-0 | +201782 |
| 12standard | 34 | Black, Samuel (1902) | Lost 1-2 | -161766 |
| 13standard | 65 | Gorbunov, Igor (1841) | Lost 0-2 | -161750 |
| 14standard | 61 | Perez, Ruben (1711) | Lost 0-2 | -191731 |
| 15standard | 71 | Klein, Jeremy (1656) | Won 2-0 | +171748 |
| 16standard | 64 | Wall, Oskar (1687) | Lost 1-2 | -191729 |
| top | average opponent: 1772record: 7-8 | new rating: 1729 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1672 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 143 | Jonas, Brian (1536) | Lost 0-2 | -201652 |
| 4sealed | 280 | Nunes Jr, Greg (1518) | Won 2-0 | +151667 |
| 5sealed | 188 | Lien, Alex (1653) | Lost 1-2 | -181649 |
| 6sealed | 237 | Bailey, Joni (1410) | Won 2-0 | +141663 |
| 7sealed | 154 | Tan, Franche (1517) | Won 2-1 | +151678 |
| 8sealed | 110 | Herr, Paul (1722) | Won 2-1 | +191697 |
| 9sealed | 96 | Messenger, Jonah (1563) | Won 2-0 | +161713 |
| 10draft | 84 | Escobar, Nick (1671) | Lost 1-2 | -191694 |
| 11draft | 63 | Johnson, Jesse (1511) | Won 2-0 | +141708 |
| 12draft | 42 | Slomann, Scott (1621) | Won 2-0 | +171725 |
| 13draft | 29 | Freeman, Brendon (1717) | Lost 0-2 | -181707 |
| 14draft | 6 | Saugier, Kyle (1577) | Won 2-1 | +151722 |
| 15draft | 46 | Schulman, Daniel (1593) | Won 2-1 | +161738 |
| top | average opponent: 1585record: 9-4 | new rating: 1738 | ||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 285 | Benedetti, Antony (1488) | Lost 1-2 | -201589 |
| 4sealed | 118 | Derdzinski, Mark (1467) | Won 2-1 | +151604 |
| 5sealed | 559 | Fromme, Christoph (1516) | Draw 1-1 | -11603 |
| 6sealed | 45 | Edwards, Ken (1536) | Won 2-0 | +171620 |
| 7sealed | 127 | Chatters, Jake (1524) | Won 2-1 | +161636 |
| 8sealed | 77 | Nguyen, Minh D (1582) | Won 2-0 | +171653 |
| 9sealed | 46 | Fang, Percy (1662) | Won 2-0 | +181671 |
| 10draft | 40 | Cotton, Alexander (1609) | Won 2-1 | +171688 |
| 11draft | 38 | Nguyen, James (1856) | Lost 1-2 | -151673 |
| 12draft | 5 | Lew, Michael (1707) | Lost 1-2 | -171656 |
| 13draft | 58 | Cat, Doctor (1600) | Won 2-0 | +171673 |
| 14draft | 47 | Miller, Ryan (1706) | Won 2-1 | +181691 |
| 15draft | 64 | deMedina, Jordan (1641) | Lost 0-2 | -191672 |
| top | average opponent: 1607record: 8-4-1 | new rating: 1672 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 613 | Lay, Ryan (1518) | Won 2-1 | +181518 |
| 3sealed | 514 | Whiteman, Justin (1476) | Draw 1-1 | 01518 |
| 4sealed | 644 | Jo, Antony (1536) | Won 2-0 | +181536 |
| 5sealed | 646 | Tran, Uy (1572) | Won 2-1 | +191555 |
| 6sealed | 597 | Sulentic, Mathew (1567) | Won 2-1 | +181573 |
| 7sealed | 287 | Bastos, Frederico (1839) | Won 2-1 | +231596 |
| 8sealed | 246 | Byrn, David (1618) | Won 2-1 | +181614 |
| 9sealed | 174 | Boulet, Drue (1604) | Won 2-1 | +181632 |
| 10draft | 171 | Krukowski, Jake (1646) | Won 2-0 | +181650 |
| 11draft | 154 | Mangner, Sean (1930) | Won 2-1 | +231673 |
| 12draft | 1 | Cahill, Steve (1658) | Lost 0-2 | -181655 |
| 13draft | 12 | DeTora, Melissa (2020) | Lost 1-2 | -121643 |
| 14draft | 48 | Miller, Andrew (1726) | Lost 0-2 | -161627 |
| 15draft | 66 | Archer, Andrew (1641) | Lost 1-2 | -181609 |
| top | average opponent: 1668record: 9-4-1 | new rating: 1609 | ||