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Dufour, David
Current rating: 1756 (#3608)

Regional Championships Atlanta 2023 (pioneer) starting rating: 1604
round table opponent (rating) result Δrating
1pioneer 333 Sounakhen, Saxon (1748) Draw 1-1 +31607
2pioneer 326 Ramos, Javier (1451) Won 2-0 +151622
3pioneer 158 Greenberg, Michael (1721) Lost 0-2 -161606
4pioneer 333 Riano, Shaye (1635) Won 2-1 +181624
5pioneer 327 Caporale, Trey (1762) Draw 1-1 +31627
6pioneer 312 Schulz, Timothy (1559) Won 2-0 +171644
7pioneer 210 Weyant, Jeff (1633) Won 2-0 +181662
8pioneer 198 Kahla, Sam (1696) Draw 0-0 01662
9pioneer 214 Pelowski, Nickolas (1484) Won 2-0 +151677
10pioneer 88 Armstrong, John (1556) Won 2-0 +161693
11pioneer 90 Hicks, Brendan (1511) Won 2-0 +141707
12pioneer 52 Weck, Peter (1628) Won 2-1 +171724
13pioneer 18 Byrd, Michael (1611) Won 2-0 +161740
14pioneer 23 Rosenbaum, Caleb (1641) Won 2-0 +161756
top average opponent: 1617record: 10-1-3 new rating: 1756

Regional Championships Dallas 2023 (pioneer) starting rating: 1581
round table opponent (rating) result Δrating
1pioneer 346 Fino, Vinnie (1463) Lost 1-2 -201561
2pioneer 449 Sklar, Jacob (1590) Lost 1-2 -181543
3pioneer 553 Rubin, Sam (1516) Won 2-1 +181561
4pioneer 454 Calhoun, Christopher (1660) Won 2-0 +201581
5pioneer 364 Puglisi, Joseph (1576) Won 2-0 +181599
6pioneer 147 Ferraiuolo, Vincent (1773) Won 2-1 +211620
7pioneer 187 Cusick, Brian (1774) Lost 1-2 -151605
8pioneer 150 Daloisio, Domenic (1557) Won 2-1 +171622
9pioneer 169 Borakove, Steven (1659) Lost 0-2 -181604
top average opponent: 1619record: 5-4 new rating: 1604

Regional Championships Atlanta 2022 (pioneer) starting rating: 1615
round table opponent (rating) result Δrating
1pioneer 1265 Allhiser, Bradley (1747) Won 2-1 +201635
2pioneer 1181 Stensrud, Ethan (1501) Lost 1-2 -201615
3pioneer 1171 Blesso, Marc (1814) Lost 0-2 -151600
4pioneer 1292 Davis, Byron (1487) Lost 0-2 -201580
5pioneer 1323 Delgado, David (1531) Won 2-0 +171597
6pioneer 1342 Lam, Tony (Nghia) (1689) Lost 0-2 -161581
top average opponent: 1628record: 2-4 new rating: 1581

Grand Prix Hartford 2018 (modern) starting rating: 1649
round table opponent (rating) result Δrating
3modern 227 Achord, Jesse (1539) Lost 0-2 -201629
4modern 334 Kerrigan, Andrew (1787) Won 2-1 +211650
5modern 336 Bonin, Brad (1652) Lost 1-2 -181632
6modern 256 Giles, Devon (1682) Lost 0-2 -171615
top average opponent: 1665record: 1-3 new rating: 1615

Grand Prix New Jersey 2017 (std) (AER standard) starting rating: 1576
round table opponent (rating) result Δrating
2standard 242 Nitsche, Brandon (1465) Won 2-0 +161592
3standard 341 Norgren, Andrew (1670) Lost 0-2 -171575
4standard 275 Bowe, Mitchell (1583) Lost 0-2 -171558
5standard 411 Halmagyi, Joshua (1517) Won 2-1 +171575
6standard 345 DeLuca, Seth (1657) Lost 0-2 -171558
7standard 471 Kraft, Seth (1645) Won 2-0 +201578
8standard 315 Baraniecki, Michael (1765) Won 2-1 +211599
9standard 277 Day, Aaron (1499) Won 2-1 +161615
10standard 178 Heebner, Kyle (1558) Lost 1-2 -191596
11standard 210 Batdorf, Nicholas (1490) Won 2-1 +161612
12standard 146 Sheehan, Ryan (1657) Won 2-0 +191631
13standard 127 Turnbull, Chris (1513) Won 2-1 +161647
14standard 75 Ferrando, Matthew (1779) Won 2-1 +211668
15standard 84 Adams, Benjamin (1636) Lost 0-2 -191649
top average opponent: 1603record: 9-5 new rating: 1649

Grand Prix Providence 2016 (KLD standard) starting rating: 1454
round table opponent (rating) result Δrating
1standard 76 Holten, Ted (1449) Won 2-0 +181472
2standard 258 Pittenger, Timothy (1503) Won 2-1 +181490
3standard 224 Mowry, Matthew (1643) Lost 0-2 -151475
4standard 174 Ellsworth, Stefan (1532) Lost 1-2 -171458
5standard 419 Montes, Henry (1500) Won 2-1 +191477
6standard 201 Carter, Alexander (1517) Won 2-0 +181495
7standard 138 Agostino, John (1712) Won 2-1 +221517
8standard 115 Guo, Cheng (1669) Won 2-1 +211538
9standard 68 Pawelzik, Gery (1850) Lost 1-2 -121526
10standard 418 Boutin, Nathaniel (1812) Lost 0-2 -131513
11standard 467 Godon, Carl (1724) Won 2-1 +221535
12standard 442 Biron, Xavier (1734) Won 2-1 +211556
13standard 394 Rodriguez, Luis (1572) Won 2-0 +181574
14standard 366 Hyler, Nicholas (1636) Lost 1-2 -161558
15standard 417 Cummings, Caleb (1583) Won 2-1 +181576
top average opponent: 1629record: 10-5 new rating: 1576

Grand Prix Boston-Worcester 2012 (M13 limited) starting rating: 1483
round table opponent (rating) result Δrating
2sealed 370 Elenbogen, Andrew (1628) Lost 0-2 -151468
3sealed 381 Gilmore, Brent (1501) Lost 1-2 -181450
4sealed 617 Blondon, William (1487) Won 2-1 +191469
5sealed 643 Hunt, Justin (1622) Lost 1-2 -151454
top average opponent: 1559record: 1-3 new rating: 1454

Grand Prix Boston 2009 (M10 limited) starting rating: 1500
round table opponent (rating) result Δrating
2sealed 34 Mendonca, Justin (1469) Won 2-1 +171517
3sealed 117 Novakowski, George (1537) Lost 0-2 -171500
4sealed 117 Muir, Jeremy (1567) Lost 0-2 -171483
top average opponent: 1524record: 1-2 new rating: 1483