Maguire, Justin
Current rating: 1693
Record: 47-39 (GP) / 10-18-1 (professional)
Grand Prix Dallas-Fort Worth 2011Grand Prix Austin 2012Grand Prix San Antonio 2012Grand Prix Dallas-Fort Worth 2013Pro Tour Journey into NyxGrand Prix San Antonio 2014Pro Tour Fate ReforgedGrand Prix Dallas-Fort Worth 2015Grand Prix Oklahoma City 2015Grand Prix Houston 2016Grand Prix Houston 2018Grand Prix Dallas-Fort Worth 2018Grand Prix Dallas-Fort Worth 2019Mythic Championship VIGrand Prix Austin 2020
| Grand Prix Austin 2020 (modern) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 15 | Contreras, Issak (1464) | Won 2-0 | +161554 |
| 2modern | 52 | Payton, Christopher (1519) | Won 2-0 | +181572 |
| 3modern | 30 | Tang, Jeffrey (1771) | Won 2-0 | +211593 |
| 4modern | 39 | Ahn, Sung-Jin (1877) | Won 2-0 | +231616 |
| 5modern | 36 | Pisano, Rob (1877) | Lost 0-2 | -131603 |
| 6modern | 43 | Michel, Gregory (1944) | Lost 0-2 | -121591 |
| 7modern | 94 | Nossett, Miles (1519) | Won 2-1 | +171608 |
| 8modern | 102 | Wilson, Nathaniel (1735) | Won 2-0 | +201628 |
| 9modern | 30 | Cornell, Anthony (1576) | Lost 1-2 | -191609 |
| 10modern | 134 | Strausman, Shea (1577) | Won 0-0 | +171626 |
| 11modern | 119 | Ross, Tom (1923) | Won 2-1 | +241650 |
| 12modern | 118 | Melvin, Paul (1750) | Won 2-0 | +191669 |
| 13modern | 100 | Rubin, Aaron (1821) | Lost 0-2 | -151654 |
| 14modern | 115 | Metyko, Walker (1629) | Won 2-0 | +181672 |
| 15modern | 108 | Sloo, Felix (1845) | Won 2-0 | +211693 |
| top | average opponent: 1722record: 11-4 | new rating: 1693 | ||
| Mythic Championship VI (ELD standard) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 241 | Fujioka, Naoya (1606) | Lost 0-2 | -181553 |
| 2draft | 28 | Larsen, Christoffer (1959) | Won 2-0 | +251578 |
| 3draft | 228 | Lax, Ari (2008) | Lost 0-2 | -101568 |
| 4standard | 135 | Canonico, Davide (1897) | Lost 0-2 | -131555 |
| 5standard | 200 | Soorani, Shaheen (1911) | Won 2-1 | +251580 |
| 6standard | 144 | Ayers, Brandon (1850) | Lost 1-2 | -141566 |
| 7standard | 209 | Summersberger, Helmut (1886) | Lost 1-2 | -121554 |
| 8standard | 198 | Fujita, Toshihide (1642) | Lost 0-2 | -161538 |
| top | average opponent: 1845record: 2-6 | new rating: 1538 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 425 | Cooper, Michael (1569) | Won 2-0 | +181610 |
| 2modern | 161 | Phillips, Jason (1505) | Lost 1-2 | -201590 |
| 3modern | 330 | Patel, Karttik (1462) | Won 2-0 | +151605 |
| 4modern | 240 | Olsen, Paul (1514) | Lost 0-2 | -191586 |
| 5modern | 267 | Friedman, Samuel (1740) | Lost 0-2 | -151571 |
| top | average opponent: 1558record: 2-3 | new rating: 1571 | ||
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 132 | Rayson, Sean (1603) | Won 2-0 | +181600 |
| 2sealed | 206 | Tran, Minh (1824) | Won 2-0 | +231623 |
| 3sealed | 170 | Ball, Nathan (1588) | Won 2-1 | +171640 |
| 4sealed | 90 | Stevenson, James (1855) | Lost 0-2 | -141626 |
| 5sealed | 158 | Wiggins, Ethan (1574) | Lost 0-2 | -191607 |
| 6sealed | 280 | Eng, Edward (1788) | Lost 0-2 | -151592 |
| top | average opponent: 1705record: 3-3 | new rating: 1592 | ||
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Gaible, Allen (1500) | Won 2-1 | +181555 |
| 2sealed | 151 | Nguyen, David (1687) | Lost 1-2 | -161539 |
| 3sealed | 245 | Sistrunk, Damen2 (1498) | Won 2-0 | +171556 |
| 4sealed | 276 | Mascari, Jordan (1513) | Lost 0-2 | -191537 |
| 5sealed | 231 | Solomon, Nick (1381) | Won 2-0 | +161553 |
| 6sealed | 210 | League, Charles (1826) | Won 2-1 | +231576 |
| 7sealed | 119 | Griffith, Maitland (1659) | Won 2-1 | +191595 |
| 8sealed | 78 | Pernankil, Avenash (1880) | Lost 1-2 | -131582 |
| top | average opponent: 1618record: 5-3 | new rating: 1582 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 169 | Hellquist, Paul (1540) | Won 2-0 | +191550 |
| 5standard | 88 | Holt, Andrew (1591) | Won 2-0 | +181568 |
| 6standard | 23 | Baker, Jason (1640) | Lost 1-2 | -161552 |
| 7standard | 100 | Karmazin, Jesse (1576) | Won 2-1 | +181570 |
| 8standard | 20 | Snider, Jason (1550) | Lost 0-2 | -181552 |
| 9standard | 111 | Palmer, Ian (1556) | Lost 0-2 | -181534 |
| 10standard | 127 | Wingard, Michael (1488) | Won 2-0 | +171551 |
| 11standard | 118 | Yamagami, Yudai (1797) | Lost 0-2 | -141537 |
| top | average opponent: 1592record: 4-4 | new rating: 1537 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 227 | Wiggins, Mason (1536) | Won 0-0 | +181542 |
| 4modern | 121 | Lopez, Adrian (1496) | Won 2-0 | +171559 |
| 5modern | 66 | Malmstrom, Robert (1535) | Lost 1-2 | -181541 |
| 6modern | 129 | Shevchenko, Kyryll (1534) | Won 2-0 | +181559 |
| 7modern | 75 | Li, Larry (1786) | Won 2-1 | +221581 |
| 8modern | 12 | Hammock, Jeremy (1605) | Won 2-1 | +181599 |
| 9modern | 12 | Grissom, Koelten (1735) | Lost 0-2 | -151584 |
| 10modern | 29 | Thompson, John (1578) | Lost 1-2 | -181566 |
| 11modern | 66 | Miller, David (1498) | Lost 1-2 | -201546 |
| 12modern | 72 | Tao, Jiachen (1706) | Lost 1-2 | -151531 |
| top | average opponent: 1601record: 5-5 | new rating: 1531 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 320 | Baeckstrom, Andrew (1826) | Lost 0-2 | -141542 |
| 4sealed | 283 | Small, Jackson (1519) | Lost 1-2 | -181524 |
| top | average opponent: 1672record: 0-2 | new rating: 1524 | ||
| Pro Tour Fate Reforged (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 66 | Rosi, Giovanni (1803) | Won 2-0 | +231507 |
| 2draft | 22 | Lytle, Tyler (1656) | Won 2-1 | +211528 |
| 3draft | 31 | Sochurek, Petr (1777) | Won 2-1 | +221550 |
| 4modern | 14 | Perez Jr., Raymond (1819) | Won 2-0 | +231573 |
| 5modern | 8 | Wiegersma, Jelger (2102) | Draw 1-1 | +91582 |
| 6modern | 6 | Ozguney, Osman (1675) | Lost 1-2 | -161566 |
| 7modern | 23 | Cifka, Stanislav (1953) | Lost 0-2 | -111555 |
| 8modern | 46 | Moral, Carlos (2016) | Lost 1-2 | -111544 |
| 9draft | 110 | Golubkin, Sergey (1836) | Won 2-1 | +241568 |
| 10draft | 83 | Sushalskyy, Sergiy (1934) | Won 2-0 | +241592 |
| 11draft | 38 | Zhao, Haotian (1739) | Won 2-0 | +211613 |
| 12modern | 24 | Sucic, Stjepan (1940) | Lost 1-2 | -131600 |
| 13modern | 40 | Brock, Hutch (1803) | Lost 0-2 | -141586 |
| 14modern | 60 | Medeiros Merjam, Guilherme (1867) | Lost 0-2 | -131573 |
| 15modern | 75 | Kirsch, Geoffrey (1611) | Lost 1-2 | -171556 |
| top | average opponent: 1835record: 7-7-1 | new rating: 1556 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 77 | Morris, Larry (1535) | Won 2-1 | +191468 |
| 4standard | 14 | Yu, Ben (1828) | Lost 1-2 | -111457 |
| 5standard | 171 | Galik, Christopher (1516) | Lost 0-2 | -171440 |
| 6standard | 160 | Romero, Julian (1564) | Won 2-1 | +201460 |
| 7standard | 145 | Adams, Cody (1504) | Won 2-1 | +191479 |
| 8standard | 127 | Frederick, Vic (1559) | Won 2-1 | +191498 |
| 9standard | 42 | Hobbs, David (1501) | Won 2-0 | +181516 |
| 10standard | 34 | Black, James (1633) | Lost 0-2 | -151501 |
| 11standard | 59 | Rossel, Scott (1568) | Lost 0-2 | -171484 |
| top | average opponent: 1578record: 5-4 | new rating: 1484 | ||
| Pro Tour Journey into Nyx (Theros block) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 26 | Holladay, Ross (1532) | Won 2-0 | +181528 |
| 2draft | 22 | Han, Bing (1874) | Lost 1-2 | -121516 |
| 3draft | 66 | Fox Jr, Joe (1723) | Lost 0-2 | -141502 |
| 4block | 91 | Fujimura, Kazuaki (1550) | Lost 0-2 | -171485 |
| 5block | 124 | Andrews, Damain (1483) | Lost 0-2 | -181467 |
| 6block | 163 | Alessio, Rayan (1471) | Lost 1-2 | -181449 |
| top | average opponent: 1605record: 1-5 | new rating: 1449 | ||
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 222 | Cantu, Fabian (1481) | Lost 1-2 | -191531 |
| 2standard | 352 | Allen, Ryan (1376) | Lost 1-2 | -211510 |
| top | average opponent: 1428record: 0-2 | new rating: 1510 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 86 | Birdwell, Benjamin T (1542) | Lost 1-2 | -181557 |
| 3standard | 160 | Dowdy, Collin (1481) | Won 2-0 | +161573 |
| 4standard | 186 | Villalobos, Adrian (1489) | Lost 1-2 | -191554 |
| 5standard | 278 | Mazuca, James (1420) | Won 2-1 | +161570 |
| 6standard | 160 | Kaufmann, Loran (1481) | Lost 0-2 | -201550 |
| top | average opponent: 1483record: 2-3 | new rating: 1550 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 213 | Feil, Derek (1518) | Won 2-0 | +181556 |
| 3sealed | 125 | Lewis, Jason (1517) | Lost 0-2 | -191537 |
| 4sealed | 173 | Haines, Cody (1501) | Won 2-0 | +181555 |
| 5sealed | 159 | Rasco, Bryson (1546) | Won 2-0 | +171572 |
| 6sealed | 149 | Pannell, Thomas (1718) | Won 2-0 | +211593 |
| 7sealed | 33 | Dao, Phu (1665) | Lost 1-2 | -171576 |
| 8sealed | 138 | Goodwin, Luke (1563) | Won 2-1 | +181594 |
| 9sealed | 90 | Nabi, Basil (1555) | Lost 1-2 | -191575 |
| top | average opponent: 1573record: 5-3 | new rating: 1575 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 380 | Tomlinson, Scott (1500) | Won 2-0 | +181518 |
| 2standard | 256 | Shakarisaz, David (1485) | Won 2-1 | +171535 |
| 3standard | 67 | Le, Michael (1565) | Won 2-1 | +191554 |
| 4standard | 19 | Funderburg, Austin (1554) | Won 2-0 | +181572 |
| 5standard | 33 | Prost, Andrejs (1654) | Lost 0-2 | -171555 |
| 6standard | 145 | Thiessen, Jacob (1589) | Lost 0-2 | -171538 |
| 7standard | 120 | May, Parker (1551) | Won 2-0 | +181556 |
| 8standard | 143 | Liles, Khris (1559) | Lost 0-2 | -181538 |
| top | average opponent: 1557record: 5-3 | new rating: 1538 | ||