Zaczek, Jonathon
Current rating: 1821 (#1723)
Record: 102-59-2 (GP) / 2-6 (professional)
- 2013
- 2015
- 2016
- 2017
- 2018
- 2019
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1838 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 123 | Bechtold, Sam (1518) | Won 2-1 | +121850 |
| 3modern | 110 | Pelowski, Nickolas (1442) | Won 2-0 | +111861 |
| 4modern | 70 | Hawron, Richard (1531) | Lost 0-2 | -241837 |
| 5modern | 56 | Plocher, Justin (1601) | Lost 1-2 | -221815 |
| 6modern | 133 | Larson, Koltton (1516) | Won 2-0 | +131828 |
| 7modern | 101 | Kuntz, Emily (1488) | Won 2-1 | +121840 |
| 8modern | 138 | Burton, Brandon (1808) | Lost 0-2 | -191821 |
| top | average opponent: 1558record: 4-3 | new rating: 1821 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1773 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 277 | Storr, Nicholas (1472) | Won 2-0 | +131786 |
| 3modern | 326 | Phung, Thien (1529) | Lost 0-2 | -231763 |
| 4modern | 215 | Klinkenberg, Chester (1521) | Won 2-1 | +141777 |
| 5modern | 285 | Fallin, Kevin (1552) | Won 2-1 | +141791 |
| 6modern | 105 | Kiefer, Quinn (1804) | Lost 0-2 | -181773 |
| 7modern | 211 | Bernacel, Toshonni (1513) | Won 2-0 | +131786 |
| 8modern | 177 | Pace, Stanley (1580) | Won 2-1 | +151801 |
| 9modern | 91 | Skelton, Kyle (1861) | Lost 1-2 | -171784 |
| 10modern | 146 | Herod, Jim (1544) | Won 2-0 | +131797 |
| 11modern | 105 | Lam, Gautier (1729) | Won 2-0 | +171814 |
| 12modern | 62 | Caswell, Ben (1594) | Won 2-1 | +141828 |
| 13modern | 45 | LeBlanc, Joseph (1636) | Lost 0-2 | -211807 |
| 14modern | 56 | Zamora, Eddie (1772) | Won 2-0 | +171824 |
| 15modern | 61 | Roether, Oscar (1592) | Won 2-0 | +141838 |
| top | average opponent: 1621record: 10-4 | new rating: 1838 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1743 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 392 | Lao, Benjamin (1585) | Won 2-1 | +151758 |
| 4modern | 80 | Sherman, Anthony (1342) | Won 2-0 | +111769 |
| 5modern | 75 | Antivilo, David (1581) | Won 2-0 | +151784 |
| 6modern | 9 | Wray, James (1918) | Won 2-1 | +201804 |
| 7modern | 26 | Thompson, Gerry (2034) | Lost 0-2 | -141790 |
| 8modern | 107 | Kegley, Benjamin (1725) | Lost 0-2 | -191771 |
| 9modern | 5179 | Boykowich, Dylan (1681) | Lost 1-2 | -201751 |
| 10modern | 5185 | Guggemos, Jim (1463) | Won 2-0 | +131764 |
| 11modern | 5137 | Straub, Devon (1588) | Lost 1-2 | -211743 |
| 12modern | 1559 | Kitay, Kenneth (1598) | Won 2-0 | +151758 |
| 13modern | 5110 | Millner, Tyler (1580) | Won 2-1 | +151773 |
| 14modern | 5076 | Clingan, Casey (1650) | Won 2-1 | +161789 |
| 15modern | 5061 | Collins, Kenyon (1892) | Lost 1-2 | -161773 |
| top | average opponent: 1664record: 8-5 | new rating: 1773 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1764 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 256 | Siecker, Rob (1585) | Lost 1-2 | -211743 |
| 4modern | 319 | Dore, Felix (1554) | Won 2-1 | +151758 |
| 5modern | 114 | Brunnen, Kevin (1506) | Won 2-1 | +131771 |
| 6modern | 179 | Hutchinson-Chee, Aidan (1554) | Lost 1-2 | -221749 |
| 7modern | 224 | Moody, Gavin (1532) | Won 2-0 | +141763 |
| 8modern | 220 | Lewis, Matthew (1632) | Lost 1-2 | -201743 |
| top | average opponent: 1560record: 3-3 | new rating: 1743 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1789 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 62 | White, Eli (1526) | Won 2-1 | +131802 |
| 4standard | 99 | Hall, Daniel (1877) | Lost 0-2 | -171785 |
| 5standard | 215 | Dubay, David (1481) | Lost 1-2 | -231762 |
| 6standard | 256 | Graham, Alek (1465) | Won 2-1 | +131775 |
| 7standard | 137 | Germar, Richard (1754) | Won 2-1 | +171792 |
| 8standard | 77 | Haversat, Jacob (1956) | Won 2-1 | +211813 |
| 9standard | 100 | Wcislo, Daniel (1617) | Won 2-1 | +151828 |
| 10standard | 494 | Cheng, Jonathan (1673) | Lost 0-2 | -211807 |
| 11standard | 540 | D'Souza, Kenith (1730) | Lost 1-2 | -201787 |
| 12standard | 588 | Choma, Matthew (1508) | Lost 0-2 | -231764 |
| top | average opponent: 1659record: 5-5 | new rating: 1764 | ||
| Pro Tour Hour of Devastation (HOU standard) | starting rating: 1875 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 205 | Mengucci, Andrea (1850) | Lost 0-2 | -181857 |
| 2draft | 218 | Romao, Carlos (1833) | Lost 0-2 | -191838 |
| 3draft | 180 | Pope, Matthew (1797) | Lost 1-2 | -181820 |
| 4standard | 226 | Marshall, Bob (1492) | Won 2-1 | +121832 |
| 5standard | 184 | Brodzak, Michal (1739) | Won 2-0 | +161848 |
| 6standard | 139 | Stroh, Kim (1960) | Lost 0-2 | -161832 |
| 7standard | 157 | Wibmer, Sebastian (1752) | Lost 0-2 | -191813 |
| 8standard | 193 | Maruyama, Muneyuki (1455) | Lost 1-2 | -241789 |
| top | average opponent: 1735record: 2-6 | new rating: 1789 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1941 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 251 | Solis Mancilla, Oscar (1458) | Won 2-1 | +101951 |
| 4modern | 117 | Bell, Matthew (1534) | Lost 0-2 | -251926 |
| 5modern | 499 | Lachance, Sebastien (1469) | Lost 1-2 | -261900 |
| 6modern | 753 | Candib, Aaron (1600) | Lost 1-2 | -231877 |
| 7modern | 759 | Kean, Matthew (1517) | Lost 0-2 | -251852 |
| 8modern | 871 | Hawkins, Donald (1506) | Won 2-0 | +121864 |
| 9modern | 644 | O'Neill, Chris (1469) | Won 2-0 | +111875 |
| top | average opponent: 1508record: 3-4 | new rating: 1875 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1978 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 374 | O'Brien, Cody (1544) | Won 2-1 | +111989 |
| 4legacy | 135 | Harriss-Bauer, Miles (1726) | Lost 1-2 | -231966 |
| 5legacy | 358 | Verbiest, Bart (1757) | Won 2-0 | +141980 |
| 6legacy | 229 | Smith, Sean (1770) | Won 2-0 | +151995 |
| 7legacy | 220 | Henderson, Craig (1522) | Lost 0-2 | -261969 |
| 8legacy | 375 | Cano Garcia, Jaime (1617) | Won 2-0 | +111980 |
| 9legacy | 198 | Prinsloo, Theuns (1699) | Won 2-1 | +131993 |
| 10legacy | 144 | Hummel, Gary (1604) | Lost 1-2 | -241969 |
| 11legacy | 160 | Kosmel, Kyle (1594) | Won 2-1 | +111980 |
| 12legacy | 150 | Ku, David (1683) | Draw 1-1 | -51975 |
| 13legacy | 127 | Liewendahl, Christopher (1762) | Lost 0-2 | -221953 |
| 14legacy | 166 | Wallace, Adam (1690) | Won 2-1 | +131966 |
| 15legacy | 125 | Woods, Jeff (1538) | Lost 0-2 | -251941 |
| top | average opponent: 1654record: 7-5-1 | new rating: 1941 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1819 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 2187 | Robertson, Matt [CAN] (1501) | Won 2-1 | +121831 |
| 3modern | 2046 | Xu, David (1475) | Won 2-0 | +121843 |
| 4modern | 2074 | Goss, Riley (1532) | Lost 0-2 | -241819 |
| 5modern | 2201 | Van Der Merwe, Atom (1506) | Won 2-1 | +131832 |
| 6modern | 2138 | Jacobson, Mark (1978) | Won 2-1 | +201852 |
| 7modern | 2079 | McClenaghan, David (1661) | Won 2-1 | +151867 |
| 8modern | 2062 | Mei, Mike Songhao (1855) | Won 2-1 | +181885 |
| 9modern | 2032 | Tierney, Patrick (1918) | Won 2-0 | +181903 |
| 10modern | 2020 | Hare, Ryan (1892) | Lost 1-2 | -181885 |
| 11modern | 2037 | Cooper, Travis (1640) | Won 2-0 | +141899 |
| 12modern | 2026 | Muise, Evan (1642) | Won 2-1 | +131912 |
| 13modern | 2011 | Christensen, Drew (1852) | Won 2-0 | +171929 |
| 14modern | 2009 | Henderson, Steven (1595) | Won 2-0 | +121941 |
| 15modern | 2004 | Fortanely, Bobby (1966) | Won 2-1 | +191960 |
| Qmodern | Stern, Jon (1915) | Won 2-1 | +171977 | |
| Smodern | Black, Samuel (2021) | Won 2-0 | +191996 | |
| Fmodern | Utter-Leyton, Josh (2031) | Lost 1-2 | -181978 | |
| top | average opponent: 1763record: 14-3 | new rating: 1978 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1787 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 25 | Yim, Chi Hoi (1722) | Lost 1-2 | -191768 |
| 4modern | 555 | Conlin, Paul (1452) | Won 2-0 | +131781 |
| 5modern | 146 | Johnson, Brandon (1493) | Won 2-1 | +121793 |
| 6modern | 85 | Darnall, Matthew (1585) | Won 2-0 | +151808 |
| 7modern | 63 | George, Timothy (1655) | Won 2-1 | +151823 |
| 8modern | 79 | DeMars, Brian (1871) | Lost 1-2 | -171806 |
| 9modern | 126 | White, Tyler (1576) | Won 2-1 | +141820 |
| 10modern | 885 | Kuhlow, Chris (1642) | Won 2-0 | +151835 |
| 11modern | 877 | Mengucci, Andrea (1968) | Won 2-1 | +201855 |
| 12modern | 862 | Mickler, Matthew (1675) | Won 2-0 | +151870 |
| 13modern | 843 | Dean, Paul (2011) | Lost 0-2 | -161854 |
| 14modern | 877 | Hill, Tyler (2129) | Lost 1-2 | -131841 |
| 15modern | 880 | Faulkner, Andrew (1583) | Lost 0-2 | -221819 |
| top | average opponent: 1720record: 8-5 | new rating: 1819 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1796 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 35 | Frady, Keane (1678) | Won 0-0 | +161812 |
| 4modern | 37 | McDaniel, Charles (1558) | Lost 0-2 | -231789 |
| 5modern | 112 | Whitson, Tyler (1565) | Lost 0-2 | -221767 |
| 6modern | 175 | Hampton, Casey (1486) | Won 2-0 | +131780 |
| 7modern | 196 | King, Anthony (1674) | Lost 1-2 | -201760 |
| 8modern | 206 | Black, James (1460) | Won 2-0 | +131773 |
| 9modern | 159 | Warren, Edward (1581) | Won 2-1 | +141787 |
| top | average opponent: 1572record: 4-3 | new rating: 1787 | ||
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1681 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 285 | Hoi Rasmussen, Mikkel (1615) | Won 2-1 | +171698 |
| 3modern | 224 | Rossi, Kevin (1641) | Won 2-0 | +171715 |
| 4modern | 127 | Persson, Martin (1525) | Lost 1-2 | -211694 |
| 5modern | 169 | Telarov, Aleksa (1788) | Lost 1-2 | -171677 |
| 6modern | 345 | Christiansen, Niclas (1529) | Won 2-1 | +161693 |
| 7modern | 246 | Nava, Elio (1544) | Won 2-0 | +151708 |
| 8modern | 81 | Payen, Jeremy (1570) | Won 2-0 | +151723 |
| 9modern | 100 | Myrvig, Peter (1830) | Won 2-1 | +201743 |
| 10modern | 51 | van der Vaart, Jasper (1607) | Draw 1-1 | -21741 |
| 11modern | 51 | Cammilluzzi, Marco (1984) | Lost 1-2 | -141727 |
| 12modern | 65 | Le Briand, Loic (1818) | Won 2-0 | +201747 |
| 13modern | 49 | Tenthof Van Noorden, Joko (1632) | Won 2-0 | +161763 |
| 14modern | 32 | Goddik, Hans Jacob (1698) | Won 2-0 | +171780 |
| 15modern | 23 | Michelsen, Mark (1677) | Won 2-1 | +161796 |
| top | average opponent: 1676record: 10-3-1 | new rating: 1796 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1679 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 919 | van Sickle, Joseph (1516) | Lost 0-2 | -211658 |
| 3modern | 1033 | Toye, James (1459) | Won 2-0 | +141672 |
| 4modern | 903 | Wetmore, Mike (1580) | Won 2-0 | +171689 |
| 5modern | 789 | Sadowsky, Joel (1656) | Lost 0-2 | -191670 |
| 6modern | 872 | Olesberg, Michael (1569) | Won 2-1 | +161686 |
| 7modern | 696 | Williams, Adam K (1537) | Won 2-1 | +151701 |
| 8modern | 616 | Rogers, Dakota (1581) | Lost 1-2 | -201681 |
| top | average opponent: 1557record: 4-3 | new rating: 1681 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1640 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 23 | Liu, Freeman (1539) | Won 2-0 | +161656 |
| 4modern | 63 | Denno, Sebastian (1686) | Lost 0-2 | -181638 |
| 5modern | 190 | Larsson, Chris (1557) | Won 2-1 | +171655 |
| 6modern | 108 | Steier, Terry (1649) | Lost 0-2 | -181637 |
| 7modern | 175 | Feldman, Benjamin (1523) | Won 2-0 | +161653 |
| 8modern | 84 | Haggstrom, Alex (1537) | Won 2-0 | +161669 |
| 9modern | 31 | Fletcher, Joshua (1544) | Won 2-0 | +151684 |
| 10modern | 43 | Grandjambe, Travis (1720) | Won 2-0 | +191703 |
| 11modern | 27 | Falk, Coleman (1548) | Lost 0-2 | -211682 |
| 12modern | 34 | Muller, Timothy (1685) | Lost 1-2 | -181664 |
| 13modern | 46 | Okada, Yoshikazu (1665) | Won 2-1 | +181682 |
| 14modern | 34 | Vance, Michael (1726) | Lost 1-2 | -171665 |
| 15modern | 40 | Martin, Russ (1425) | Won 2-0 | +141679 |
| top | average opponent: 1600record: 8-5 | new rating: 1679 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 146 | Edwards, Terry (1557) | Won 2-1 | +191489 |
| 3modern | 122 | Wise, Steve (1865) | Lost 0-2 | -111478 |
| 4modern | 220 | Jones, Aj (1518) | Lost 1-2 | -171461 |
| 5modern | 265 | Penton, Dan (1505) | Won 2-1 | +181479 |
| 6modern | 191 | Gerfen, Jacob (1516) | Won 2-0 | +191498 |
| 7modern | 160 | Kennedy, Nicholas (1572) | Won 2-1 | +191517 |
| 8modern | 89 | Hickman, Wesley (1626) | Won 2-0 | +201537 |
| 9modern | 49 | Schreiner, Kyle (1589) | Won 2-1 | +191556 |
| 10modern | 40 | Overturf, Ryan (1755) | Won 2-1 | +221578 |
| 11modern | 16 | Leehey, Cameron (1609) | Won 2-0 | +181596 |
| 12modern | 22 | Speck, Stephen (1625) | Lost 1-2 | -171579 |
| 13modern | 35 | Hepola, Brandon (1600) | Won 2-0 | +181597 |
| 14modern | 22 | Schmidt, Travis (1590) | Won 2-1 | +181615 |
| 15modern | 18 | Sullivan, Adrian (1985) | Won 2-0 | +251640 |
| top | average opponent: 1637record: 11-3 | new rating: 1640 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 227 | Prosek, Daniel (1697) | Lost 1-2 | -141486 |
| 3standard | 549 | Lanna, Giuseppe (1500) | Won 2-1 | +181504 |
| 4standard | 286 | Witez, Lars (1517) | Won 2-0 | +181522 |
| 5standard | 263 | Hesse, Rudiger (1521) | Lost 0-2 | -181504 |
| 6standard | 433 | Solomon, Sorin (1495) | Lost 0-2 | -181486 |
| 7standard | 366 | Cekaj, Kristian (1551) | Won 2-0 | +191505 |
| 8standard | 361 | Koliopoulos, Christos (1520) | Lost 1-2 | -181487 |
| 9standard | 323 | Slavkovky, Rastislav (1507) | Lost 1-2 | -171470 |
| top | average opponent: 1539record: 3-5 | new rating: 1470 | ||