Peterson, Sean
Current rating: 1936 (#363)
Record: 67-30-1
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1871 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 582 | Walker, Pierce (1664) | Won 2-1 | +141885 |
| A2sealed | 442 | Mitchem, Owen (1409) | Won 2-0 | +101895 |
| A3sealed | 141 | Henner, Aaron (1721) | Lost 0-2 | -211874 |
| A4sealed | 218 | Frank, Steven (1521) | Won 2-0 | +121886 |
| A5sealed | 123 | Girard, Andre (1545) | Draw 1-1 | -61880 |
| A6sealed | 131 | Donnelly, William (1625) | Won 2-0 | +131893 |
| A7sealed | 82 | Nehring, Brett (1565) | Won 2-1 | +121905 |
| A8sealed | 51 | Liu, Henry (1575) | Won 2-0 | +131918 |
| A9sealed | 461 | Thigpen, David (1597) | Lost 0-2 | -241894 |
| B1sealed | 325 | Mercier, Mathew (1564) | Lost 1-2 | -241870 |
| B2sealed | 639 | Dearing, Grant (1481) | Won 2-0 | +111881 |
| B3sealed | 466 | Maguire, James (1676) | Won 2-1 | +151896 |
| B4sealed | 332 | Tews, Andrew (1511) | Won 2-0 | +111907 |
| B5sealed | 160 | Bernat, Michael (2133) | Won 2-0 | +221929 |
| B6sealed | 95 | Deng, Dezhong (1755) | Won 2-1 | +151944 |
| B7sealed | 21 | Goslar, Matthew (1640) | Won 2-0 | +131957 |
| B8sealed | 33 | Inada, Scott (1835) | Lost 1-2 | -211936 |
| B9sealed | 489 | Kiefer, Jack (1876) | Lost 0-2 | -191917 |
| draft | 138 | Myers, Caleb (1754) | Won 2-0 | +151932 |
| draft | 30 | Richards, Nathan (1617) | Won 2-0 | +131945 |
| draft | 143 | Knauf, Jason (1602) | Won 2-0 | +121957 |
| draft | 8 | Sturm, Nate (1810) | Lost 0-2 | -211936 |
| top | average opponent: 1658record: 15-6-1 | new rating: 1936 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1734 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 216 | Nieves, Tomas (1456) | Won 2-0 | +131747 |
| 2standard | 202 | Chu, Derrek (1560) | Lost 1-2 | -221725 |
| 3standard | 439 | Nelson, Benjamin (1477) | Lost 1-2 | -221703 |
| 4standard | 598 | LaBrado, Jake (1466) | Won 2-0 | +141717 |
| 5standard | 347 | Frankenfield, Peter (1570) | Won 2-0 | +151732 |
| 6standard | 349 | Youngquist, Andrew (1499) | Won 2-0 | +141746 |
| 7standard | 159 | Pospichal, Levi (1759) | Won 2-1 | +181764 |
| 8standard | 191 | Pham, Davin (1486) | Won 2-1 | +131777 |
| 9standard | 1063 | Hale, Adam (1726) | Won 2-1 | +171794 |
| 10standard | 1082 | Severa, Matt (1927) | Won 2-0 | +211815 |
| 11standard | 1042 | Paterson, Dean (1715) | Won 2-0 | +161831 |
| 12standard | 1014 | Marklyn, Tyler (1734) | Won 2-1 | +161847 |
| 13standard | 1017 | Sato, Rei (2020) | Won 2-0 | +211868 |
| 14standard | 1010 | Roberts, Grayson (1818) | Lost 1-2 | -191849 |
| 15standard | 1023 | Matsumoto, Yuki2978 (2045) | Won 2-1 | +221871 |
| top | average opponent: 1684record: 12-3 | new rating: 1871 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1749 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 309 | Greenstein, Josh (1481) | Lost 1-2 | -231726 |
| 2sealed | 591 | French, Simon (1465) | Won 2-0 | +141740 |
| 3sealed | 404 | Thorolfsson, Thor (1479) | Won 2-0 | +131753 |
| 4sealed | 248 | Barlow, Tim (1511) | Won 2-1 | +141767 |
| 5sealed | 315 | Tharratt, Kevin (1547) | Lost 0-2 | -221745 |
| 6sealed | 417 | Saraceno, John (1517) | Won 2-0 | +141759 |
| 7sealed | 217 | Fernandes, Edward (1505) | Lost 1-2 | -231736 |
| 8sealed | 443 | Grugal, Michael (1631) | Won 2-1 | +161752 |
| 9sealed | 357 | Swanson, Erik (1730) | Lost 0-2 | -181734 |
| top | average opponent: 1541record: 5-4 | new rating: 1734 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1666 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 217 | Kwan, Jason (1563) | Won 0-0 | +161682 |
| 4sealed | 143 | Hunter, Sean (1433) | Won 2-1 | +131695 |
| 5sealed | 38 | Slone, Ted (1633) | Won 2-0 | +171712 |
| 6sealed | 21 | Garnett, Aidan (1538) | Lost 1-2 | -211691 |
| 7sealed | 74 | Hull, Ben (1652) | Won 2-0 | +171708 |
| 8sealed | 52 | Salvatto, Luis (1832) | Won 2-1 | +211729 |
| 9sealed | 14 | Wesley, Morgan (1630) | Won 2-0 | +161745 |
| 10draft | 59 | Chan, James (1761) | Won 2-1 | +181763 |
| 11draft | 136 | Lo, Jefferson (1704) | Won 2-0 | +171780 |
| 12draft | 125 | Jansen, Adam (1851) | Won 2-1 | +191799 |
| 13draft | 42 | Sun, Allen (1776) | Lost 0-2 | -181781 |
| 14draft | 1 | Weitz, Benjamin (2123) | Lost 0-2 | -121769 |
| 15draft | 33 | Fraser, Lee (1675) | Lost 0-2 | -201749 |
| top | average opponent: 1705record: 9-4 | new rating: 1749 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1714 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 26 | Jeffery, Jon (1550) | Lost 0-2 | -211693 |
| 4modern | 278 | Thomas, Chris (1555) | Won 2-0 | +161709 |
| 5modern | 61 | Yee, Truman (1508) | Lost 0-2 | -221687 |
| 6modern | 276 | Donaldson, James (1484) | Lost 0-2 | -211666 |
| top | average opponent: 1524record: 1-3 | new rating: 1666 | ||
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1743 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 218 | Hoffos, Mason (1534) | Lost 0-2 | -221721 |
| 2standard | 423 | McKenzie, Jesse (1482) | Won 2-0 | +141735 |
| 3standard | 196 | Lee, Benjamin (1595) | Lost 1-2 | -211714 |
| top | average opponent: 1537record: 1-2 | new rating: 1714 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1717 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 151 | Deocares, Ismael B (1576) | Lost 1-2 | -211696 |
| 2modern | 263 | Samuel, Johnny (1482) | Won 2-0 | +141710 |
| 3modern | 313 | Gemmer, Adam (1498) | Won 2-0 | +141724 |
| 4modern | 260 | Goldman-Kirst, Martin (1590) | Won 2-0 | +161740 |
| 5modern | 161 | Wilson, Orion (1565) | Lost 0-2 | -211719 |
| 6modern | 188 | Erb, Alyson (1519) | Won 2-0 | +141733 |
| 7modern | 180 | Rutherford, Brad (1599) | Won 2-0 | +161749 |
| 8modern | 71 | Bennett, Gavin (1569) | Lost 1-2 | -211728 |
| 9modern | 130 | Kaff, Bryce (1579) | Won 2-1 | +151743 |
| top | average opponent: 1553record: 6-3 | new rating: 1743 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Talbot, Adam (1500) | Won 2-0 | +161588 |
| 2sealed | 79 | LaForest, Mark (1464) | Lost 0-2 | -201568 |
| 3sealed | 206 | Easton, Connor (1500) | Won 2-1 | +171585 |
| 4sealed | 220 | Wan, Jeffrey (1484) | Won 2-1 | +161601 |
| 5sealed | 152 | Jovanovic, Zvonko (1535) | Won 2-1 | +171618 |
| 6sealed | 76 | Huang, Wayne (1540) | Won 2-0 | +161634 |
| 7sealed | 64 | Sharratt, Brandon R (1572) | Lost 1-2 | -191615 |
| 8sealed | 54 | La Forest, Adam (1528) | Won 2-0 | +171632 |
| 9sealed | 78 | Wylie, Tom (1571) | Won 2-1 | +171649 |
| 10draft | 13 | Searles, James (1578) | Won 2-1 | +161665 |
| 11draft | 12 | Dhanani, Ahmad (1663) | Won 2-1 | +181683 |
| 12draft | 12 | Diamant, Michael (1630) | Won 2-0 | +171700 |
| 13draft | 51 | Smith, Ryan E (1662) | Won 2-1 | +181718 |
| 14draft | 23 | Wong, Benny (1665) | Won 2-1 | +171735 |
| 15draft | 2 | Stroud, David (1795) | ID | 01735 |
| Qdraft | Sciesinski, Marcin (1738) | Lost 1-2 | -181717 | |
| top | average opponent: 1589record: 12-3-1 | new rating: 1717 | ||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 60 | Cresswell, Allan R (1500) | Lost 0-2 | -181482 |
| 2extended | 149 | Rodgers, Dave (1482) | Lost 1-2 | -181464 |
| 3extended | 170 | Cliffgard, Wade (1464) | Won 2-0 | +181482 |
| 4extended | 178 | Musick, David (1484) | Won 2-1 | +181500 |
| 5extended | 136 | Coulas, Conrad (1502) | Won 2-0 | +181518 |
| 6extended | 85 | Toker, Dereck (1523) | Won 2-1 | +181536 |
| 7extended | 41 | Goddard, Maxwell (1478) | Won 2-0 | +171553 |
| 8extended | 28 | Wowelko, Nicholas (1583) | Won 2-1 | +191572 |
| top | average opponent: 1502record: 6-2 | new rating: 1572 | ||