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Sewall, Zachary
Current rating: 1621

Grand Prix Toronto 2018 (modern) starting rating: 1613
round table opponent (rating) result Δrating
2modern 72 Capriolo-Morris, Primo (1446) Lost 1-2 -211592
3modern 661 Viersen, Xavier (1501) Won 2-1 +161608
4modern 363 Lavoie, Philippe (1548) Won 2-0 +171625
5modern 323 Shen, Kyle (1629) Lost 1-2 -181607
6modern 460 Lemez, Drazen (1514) Won 2-1 +171624
7modern 310 Vasileff, Nick (1538) Lost 1-2 -201604
8modern 265 Sharpe, Robert (1524) Won 2-0 +171621
top average opponent: 1528record: 4-3 new rating: 1621

Grand Prix New Jersey 2017 (std) (AER standard) starting rating: 1600
round table opponent (rating) result Δrating
2standard 201 Bowers, Ryan (1517) Lost 1-2 -201580
3standard 633 Trusca, George (1540) Draw 1-1 01580
4standard 561 Rodriguez, Alex (1621) Won 2-1 +181598
5standard 394 Gokhale, Rohan (1529) Won 2-0 +171615
6standard 261 Chang, Morgan (1798) Lost 0-2 -151600
7standard 385 McCaulley, Daniel (1513) Won 2-0 +171617
8standard 269 Gray, Chris (1497) Won 2-0 +161633
9standard 178 Keeler, Alex (1551) Lost 1-2 -201613
top average opponent: 1571record: 4-3-1 new rating: 1613

Grand Prix Pittsburgh 2017 (AER standard) starting rating: 1656
round table opponent (rating) result Δrating
2standard 105 Russell, Mark (1568) Lost 0-2 -191637
3standard 531 Pecora, Gerald (1580) Lost 1-2 -191618
4standard 509 Dawson, Daniel (1440) Won 2-0 +151633
5standard 356 Passwater, Stephen (1508) Won 2-0 +151648
6standard 379 Perez Jr., Raymond (1751) Lost 0-2 -161632
7standard 359 Echevarria, Tyler (1426) Won 2-0 +141646
8standard 381 Wyne, Hunter (1475) Won 2-0 +151661
9standard 261 Connors, Timothy (1496) Won 2-0 +151676
10standard 681 Allen, Jason (1549) Lost 0-2 -201656
11standard 701 Giannopoulos, Steve (1541) Won 2-0 +161672
12standard 687 Clark, Taylor (1634) Lost 1-2 -191653
13standard 701 Rocco, Craig (1825) Lost 0-2 -151638
14standard 695 Vuong, Richie (1627) Lost 1-2 -181620
15standard 687 Novins, Michael (1491) Lost 1-2 -201600
top average opponent: 1565record: 6-8 new rating: 1600

Grand Prix Pittsburgh 2016 (SOI standard) starting rating: 1654
round table opponent (rating) result Δrating
3standard 269 Ashauer, Kyle (1520) Lost 1-2 -201634
4standard 366 Marschall, Owen (1517) Lost 1-2 -201614
5standard 424 Seiler, Louis (1499) Won 2-1 +161630
6standard 354 Kaskan, Zachary (1616) Won 2-0 +181648
7standard 183 Higgins, Bob (1479) Won 2-0 +141662
8standard 147 Bryan, Jordan (1539) Lost 1-2 -201642
9standard 198 Maney, Tom (1597) Won 2-1 +171659
10standard 443 Body, Tyler (1563) Won 2-0 +171676
11standard 353 Davis, Isaac (1748) Lost 0-2 -171659
12standard 377 Nowicki, Eric (1563) Won 2-0 +161675
13standard 353 Corbin, Julia (1500) Lost 1-2 -211654
14standard 377 McClenaghan, David (1705) Lost 0-2 -171637
15standard 378 Clough, Isaiah (1711) Won 2-1 +191656
top average opponent: 1581record: 7-6 new rating: 1656

Grand Prix Charlotte 2016 (modern) starting rating: 1506
round table opponent (rating) result Δrating
1modern 460 McCandless, Andrew (1605) Lost 1-2 -161490
2modern 752 Bandorf, Anthony (1482) Won 2-0 +171507
3modern 761 Gutermuth, Ken (1466) Won 2-0 +181525
4modern 824 Benka, Kenneth (1422) Won 2-0 +161541
5modern 255 Soler, Justin (1491) Won 2-1 +171558
6modern 653 Campbell, Jeffrey (1425) Won 2-0 +161574
7modern 126 Pearce, Dean (1542) Won 2-0 +171591
8modern 101 Boozer, Chris (1740) Lost 1-2 -151576
9modern 206 Johnson, Anthony (1492) Won 2-1 +161592
10modern 72 Mitchell, Andrew (1483) Won 2-0 +161608
11modern 68 Hall, Kyle (1567) Won 2-0 +171625
12modern 25 Yu, Jarvis (2022) Lost 1-2 -111614
13modern 87 Shelley, James (1609) Won 2-1 +181632
14modern 63 Ferraiuolo, Vincent (1667) Won 2-0 +191651
15modern 44 Semkin, Alexander (1855) Draw 1-1 +31654
top average opponent: 1591record: 11-3-1 new rating: 1654

Grand Prix Detroit 2016 (modern) starting rating: 1507
round table opponent (rating) result Δrating
1modern 182 Messick, Thomas (1431) Lost 0-2 -201487
2modern 868 Benzinger, Chris (1636) Lost 0-2 -151472
3modern 1189 Yu, Jerome (1464) Won 2-0 +181490
4modern 1000 Amato, Anthony (1479) Won 2-0 +181508
5modern 927 Ward, Levi (1457) Lost 0-2 -191489
6modern 962 Riddell, Barry (1434) Won 2-1 +171506
7modern 671 Hammons, John (1501) Won 2-0 +181524
8modern 472 Seevers, Nate (1530) Lost 0-2 -181506
top average opponent: 1491record: 4-4 new rating: 1506

Grand Prix Las Vegas 2015 (1) (MM2 limited) starting rating: 1537
round table opponent (rating) result Δrating
2sealed 27 Stegall, Chris (1549) Lost 0-2 -181519
3sealed 264 Chouinard, Fernand (1518) Lost 0-2 -181501
4sealed 251 Callahan, Julie M (1482) Won 2-0 +171518
5sealed 197 Kendall, Joshua (1487) Won 2-1 +181536
6sealed 146 Gallagher, Sean (1574) Won 2-0 +191555
7sealed 65 Evans, Eli (1664) Lost 1-2 -161539
8sealed 99 Cabanero, Erik (1619) Lost 0-2 -171522
9sealed 77 Fischer, Adam (1667) Lost 0-2 -151507
top average opponent: 1570record: 3-5 new rating: 1507

Grand Prix Cleveland 2015 (FRF limited) starting rating: 1576
round table opponent (rating) result Δrating
2sealed 5 Morrison, Neely (1481) Lost 0-2 -201556
3sealed 705 Tremblay, Sebastien (1617) Won 2-1 +191575
4sealed 289 Conrad, Benton (1524) Lost 0-2 -191556
5sealed 533 Brooks, Graham (1471) Lost 1-2 -191537
top average opponent: 1523record: 1-3 new rating: 1537

Grand Prix Boston-Worcester 2014 (modern) starting rating: 1569
round table opponent (rating) result Δrating
1modern 714 Jackson, John (1519) Lost 1-2 -191550
2modern 1098 Harden, Carl (1445) Won 2-1 +161566
3modern 959 Schneider, Micah (1502) Won 2-0 +171583
4modern 855 Siu, Brian (1712) Lost 1-2 -161567
5modern 1111 Doyle, Shawn (1464) Won 2-1 +161583
6modern 880 Chandler, Jayson (1429) Won 2-0 +151598
7modern 861 Renfrew, Dana (1550) Won 2-0 +181616
8modern 774 Wiest, Hank (1507) Lost 1-2 -201596
9modern 827 Egolf, Michael (1492) Lost 0-2 -201576
top average opponent: 1513record: 5-4 new rating: 1576

Grand Prix Richmond 2014 (modern) starting rating: 1500
round table opponent (rating) result Δrating
3modern 150 Powell, Adam (1487) Won 2-0 +181518
4modern 76 Cook, Austin (1553) Lost 0-2 -181500
5modern 166 Doyle, Michael (1691) Won 2-1 +221522
6modern 116 Johnson, Nick 577 (1553) Won 2-1 +181540
7modern 69 Bailey, Joni (1413) Won 2-1 +161556
8modern 31 Jones, Elliott (1591) Won 2-1 +191575
9modern 17 Stewart, Perry (1612) Lost 0-2 -181557
10modern 192 Woodside, John (1588) Won 2-1 +191576
11modern 122 Hendry, Ian (1696) Won 2-1 +201596
12modern 58 Pennington, Johnathan (1605) Won 2-0 +181614
13modern 141 Flores, Edgar (1811) Lost 1-2 -141600
14modern 39 Berni, Roberto (1791) Lost 0-2 -151585
15modern 83 Vu, Quang (1665) Lost 0-2 -161569
top average opponent: 1620record: 8-5 new rating: 1569