Blackwell, Keith
Current rating: 1784 (#2636)
Record: 51-30-4 (GP) / 7-5-2 (professional)
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1804 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 420 | Orr, Daniel (1449) | Lost 0-2 | -241780 |
| 2sealed | 179 | Hyde, Oliver (1430) | Won 2-0 | +121792 |
| 3sealed | 573 | Costa, Matthew (1942) | Won 2-0 | +211813 |
| 4sealed | 267 | Kiefer, Quinn (1829) | Won 2-0 | +181831 |
| 5sealed | 91 | Pho, Teresa (1651) | Lost 0-2 | -211810 |
| 6sealed | 404 | Majewski, David (1386) | Lost 1-2 | -261784 |
| top | average opponent: 1614record: 3-3 | new rating: 1784 | ||
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1815 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 68 | Kipple, Sean (1624) | Lost 0-2 | -211794 |
| 4legacy | 260 | Yurchick, Adam (1698) | Won 2-1 | +161810 |
| 5legacy | 95 | Flynn, Kyle (1704) | Won 2-0 | +161826 |
| 6legacy | 129 | Brennan, Joe (1482) | Won 2-1 | +121838 |
| 7legacy | 48 | Scott, Jody (1621) | Lost 0-2 | -221816 |
| 8legacy | 116 | Peng, Cheng (1518) | Won 2-0 | +131829 |
| 9legacy | 62 | McLaughlin, Morgan (1898) | Won 2-0 | +191848 |
| 10legacy | 31 | Roukas, Sam (1875) | Lost 0-2 | -181830 |
| 11legacy | 73 | Cummings, Nicholas (1765) | Lost 0-2 | -191811 |
| 12legacy | 74 | Tsao, Dennis (1550) | Lost 1-2 | -221789 |
| 13legacy | 73 | Kocher, Shaun (1489) | Won 2-0 | +121801 |
| 14legacy | 62 | Keith, Jody (1982) | Won 2-1 | +221823 |
| 15legacy | 56 | Wood, Keaton (1809) | Lost 1-2 | -191804 |
| top | average opponent: 1694record: 7-6 | new rating: 1804 | ||
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 182 | Hatch, Matthew (1486) | Lost 1-2 | -211630 |
| 2legacy | 120 | Wood, Jon (1630) | Won 2-0 | +181648 |
| 3legacy | 326 | Formichella, Ethan (1640) | Lost 0-2 | -181630 |
| 4legacy | 342 | Altizer, Joshua (1484) | Won 2-1 | +161646 |
| 5legacy | 231 | Comer, Ethan (1536) | Won 2-0 | +161662 |
| 6legacy | 235 | Babcock, Grant (1626) | Won 2-0 | +171679 |
| 7legacy | 111 | Hottle, John (1560) | Won 2-0 | +161695 |
| 8legacy | 101 | Lerch, Corey (1802) | Won 2-1 | +201715 |
| 9legacy | 2068 | Orange, Gregory (1983) | Won 2-0 | +231738 |
| 10legacy | 2043 | Beasley, Shanice (1597) | Won 2-0 | +151753 |
| 11legacy | 2010 | Wood, Zachary (1588) | Won 2-0 | +151768 |
| 12legacy | 2020 | Nass, Matthew (2211) | Lost 1-2 | -101758 |
| 13legacy | 2035 | Koch, Zachary (1845) | Won 2-1 | +191777 |
| 14legacy | 2023 | Cummings, Nicholas (1842) | Won 2-0 | +191796 |
| 15legacy | 2016 | Newman, Carter (1831) | Won 2-0 | +191815 |
| top | average opponent: 1711record: 12-3 | new rating: 1815 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1670 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 561 | Dunphy, Adam (1523) | Won 2-0 | +151685 |
| 2legacy | 223 | Freytag, Eric (1528) | Lost 0-2 | -211664 |
| 3legacy | 928 | Simmons, Jeremy (1391) | Won 2-1 | +131677 |
| 4legacy | 558 | Chen, Yingzhe (1444) | Won 2-0 | +141691 |
| 5legacy | 384 | Mills, James R (1603) | Won 2-1 | +171708 |
| 6legacy | 344 | Mines, David (1921) | Lost 0-2 | -151693 |
| 7legacy | 531 | Whiffen, Stephen (1501) | Lost 1-2 | -211672 |
| 8legacy | 446 | Hobler, Franklin (1529) | Lost 0-2 | -211651 |
| top | average opponent: 1555record: 4-4 | new rating: 1651 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1645 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 352 | Figeroa, Genavieve (1500) | Won 2-0 | +161661 |
| 2legacy | 283 | Saracino, Jacob (1520) | Won 2-0 | +151676 |
| 3legacy | 170 | Ledo, Alex (1507) | Lost 0-2 | -211655 |
| 4legacy | 176 | McElwee, Connor (1519) | Lost 1-2 | -201635 |
| 5legacy | 303 | Waxtel, Andrew (1502) | Won 2-1 | +151650 |
| 6legacy | 235 | Webb, Ryan (1455) | Won 2-0 | +151665 |
| 7legacy | 154 | Hart, Travis (1604) | Won 2-0 | +171682 |
| 8legacy | 99 | De Blois-Richer, Christophe (1510) | Won 2-1 | +151697 |
| 9legacy | 102 | Bibbs, Gabriel (1643) | Won 2-0 | +171714 |
| 10legacy | 119 | Roy, Stephen (1625) | Won 2-1 | +161730 |
| 11legacy | 47 | Breau, Josh (1756) | Lost 1-2 | -181712 |
| 12legacy | 148 | Tubergen, Pieter (1710) | Lost 1-2 | -181694 |
| 13legacy | 184 | Redfern, Jacob (1430) | Lost 0-2 | -221672 |
| 14legacy | 189 | Fellman, Sean (1610) | Won 2-0 | +171689 |
| 15legacy | 164 | Kroll, Steven (1649) | Lost 0-2 | -191670 |
| top | average opponent: 1569record: 9-6 | new rating: 1670 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 101 | WILSON, SAM (1500) | Won 2-0 | +161642 |
| 2legacy | 120 | Allegood, Jeremy (1502) | Won 2-0 | +161658 |
| 3legacy | 569 | Lewandoski, Kevin (1577) | Draw 1-1 | -21656 |
| 4legacy | 104 | Rivera, Gilberto (1454) | Won 2-0 | +141670 |
| 5legacy | 135 | Morrison, Matthew (1546) | Won 2-0 | +161686 |
| 6legacy | 69 | Coppola, Christopher (1662) | Lost 1-2 | -181668 |
| 7legacy | 161 | White, Peter (1552) | Draw 1-1 | -21666 |
| 8legacy | 225 | Aldrich, Chad (1540) | Lost 1-2 | -211645 |
| top | average opponent: 1542record: 4-2-2 | new rating: 1645 | ||
| Grand Prix Denver 2013 (legacy) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 12 | Erwin, Adam (1471) | Draw 1-1 | -21618 |
| 2legacy | 153 | Brown, Conor (1501) | Lost 1-2 | -201598 |
| 3legacy | 247 | Warford, Christopher Chad (1481) | Won 2-0 | +161614 |
| 4legacy | 230 | Moran, Johnathan M (1499) | Won 2-0 | +151629 |
| 5legacy | 173 | Hetzner, Matthew S (1588) | Won 2-1 | +181647 |
| 6legacy | 119 | Hughes, Jarrett (1518) | Lost 0-2 | -211626 |
| top | average opponent: 1510record: 3-2-1 | new rating: 1626 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 122 | Canady, Sean (1456) | Won 2-0 | +161574 |
| 2legacy | 167 | Garascia, Caleb (1524) | Won 2-0 | +181592 |
| 3legacy | 93 | Mcclain, Tim (1517) | Won 2-1 | +161608 |
| 4legacy | 63 | O'Dell, Roy (1505) | Draw 1-1 | -21606 |
| 5legacy | 82 | Williams, Tyler (1555) | Lost 1-2 | -191587 |
| 6legacy | 168 | Meier, Ryan (1476) | Won 2-0 | +161603 |
| 7legacy | 102 | Webster, Kevin (1556) | Won 2-0 | +171620 |
| 8legacy | 61 | Herrera, Joseph (1595) | Won 1-0 | +181638 |
| 9legacy | 37 | Lucy, J. Sawyer (1664) | Lost 0-2 | -181620 |
| top | average opponent: 1539record: 6-2-1 | new rating: 1620 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 176 | Zupko, Kyle D (1500) | Won 2-0 | +171562 |
| 2standard | 400 | LOSEY, PETER E (1518) | Won 2-0 | +181580 |
| 3standard | 165 | Quintero, Pedro (1446) | Lost 1-2 | -211559 |
| 4standard | 342 | Williams, Mike (1503) | Won 2-0 | +171576 |
| 5standard | 124 | Onusic, Justin (1582) | Lost 1-2 | -181558 |
| top | average opponent: 1510record: 3-2 | new rating: 1558 | ||
| Pro Tour New York 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 2 | Slemr, Jakub (1792) | Won 2-0 | +231523 |
| 2block | 11 | Alexander, Ernest (1500) | Won 2-0 | +181541 |
| 3block | 3 | Bregoli, Mike (1541) | Won 2-1 | +181559 |
| 4block | 2 | Luhrs, Christian (1644) | Lost 1-2 | -171542 |
| 5block | 37 | Ibamoto, Masami (1610) | Won 2-0 | +201562 |
| 6block | 17 | Nessler, Michael (1491) | Lost 0-2 | -201542 |
| 7block | 47 | Ripley, Peter (1491) | Draw 1-1 | -11541 |
| 8block | 28 | Crapuchettes, Dominic (1566) | Lost 1-2 | -171524 |
| 9block | 39 | Wu, Timothy (1536) | Lost 1-2 | -181506 |
| 10block | 44 | Shvartsman, Alex (1517) | Won 2-0 | +181524 |
| 11block | 39 | Mitchell, Alex (1523) | Won 2-0 | +181542 |
| 12block | 31 | Gieling, Vincent (1560) | Lost 1-2 | -171525 |
| 13block | 37 | Krouner, Ken (1526) | Won 2-0 | +181543 |
| 14block | 29 | Ho, Lan (1696) | Draw 1-1 | +21545 |
| top | average opponent: 1571record: 7-5-2 | new rating: 1545 | ||