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Kelahan, Seamus
Current rating: 1621

Regional Championships Atlanta 2023 (pioneer) starting rating: 1620
round table opponent (rating) result Δrating
1pioneer 109 Dezso, Curtis (1402) Lost 0-1 -221598
2pioneer 109 Bonin, Brad (1774) Lost 0-2 -151583
3pioneer 109 Payne, Grayson (1607) Won 2-1 +191602
4pioneer 109 Sadowsky, Joel (1876) Won 2-1 +221624
5pioneer 109 Matthews, Victor (1510) Draw 1-1 -21622
6pioneer 109 Dzedzy, Adam (1506) Won 2-1 +161638
7pioneer 109 Fiedler, Andrew (1692) Lost 0-2 -171621
top average opponent: 1624record: 3-3-1 new rating: 1621

Regional Championships San Diego 2023 (ONE standard) starting rating: 1700
round table opponent (rating) result Δrating
1standard 24 Blesso, Marc (1868) Lost 0-2 -151685
2standard 381 Horn, Kyle (1572) Lost 0-2 -201665
3standard 414 Abraham, Yonas (1529) Won 2-1 +161681
4standard 322 Barge, Will (1489) Lost 1-2 -221659
5standard 348 Schwarcz, Aaron (1630) Lost 1-2 -181641
6standard 368 Reed, Jim (1486) Lost 0-2 -211620
top average opponent: 1596record: 1-5 new rating: 1620

Grand Prix New Jersey 2018 (GRN standard) starting rating: 1767
round table opponent (rating) result Δrating
1standard 153 Bhayana, Milan (1504) Lost 0-2 -221745
2standard 354 Jamnik, Chad (1526) Lost 1-2 -221723
3standard 561 Gomez, Christian (1465) Lost 0-2 -231700
top average opponent: 1498record: 0-3 new rating: 1700

Grand Prix Hartford 2018 (modern) starting rating: 1761
round table opponent (rating) result Δrating
1modern 519 Gervais, Andrew (1500) Lost 1-2 -231738
2modern 613 Phelps, Joseph (1482) Lost 1-2 -221716
3modern 877 Melo, Joseph (1465) Won 2-0 +131729
4modern 801 Robbins, Nathan (1484) Won 2-1 +141743
5modern 612 Kelley, Austin (1469) Lost 0-2 -231720
6modern 603 Cleveland, Nate (1488) Won 2-0 +141734
7modern 445 Taylor, Joshua (1840) Won 2-0 +201754
8modern 353 Lallman, Gregory (1500) Won 2-0 +131767
top average opponent: 1529record: 5-3 new rating: 1767

Grand Prix New Jersey 2017 (std) (AER standard) starting rating: 1742
round table opponent (rating) result Δrating
1standard 141 Chung, Michael (1486) Won 2-0 +141756
2standard 304 Edwards, Ryan (1539) Lost 1-2 -221734
3standard 577 Sneed, Alex (1503) Lost 1-2 -221712
4standard 687 Bonamico, Jared (1487) Won 2-0 +141726
5standard 439 Heidenthal, Jason (1610) Won 2-0 +151741
6standard 325 Barragan, Alfredo (1514) Won 2-1 +141755
7standard 188 Chyn, Albert (1486) Lost 0-2 -221733
8standard 381 Novins, Michael (1519) Won 2-1 +141747
9standard 201 Dicataldo, George (1543) Won 2-0 +141761
top average opponent: 1521record: 6-3 new rating: 1761

Grand Prix New York 2016 (SOI standard) starting rating: 1765
round table opponent (rating) result Δrating
3standard 154 Bayless-Hall, Leo (1535) Draw 1-1 -51760
4standard 269 Sanabria, Christopher (1474) Lost 1-2 -231737
5standard 484 Malaga, Louis (1519) Lost 1-2 -221715
6standard 626 West, Matthew (1503) Won 2-0 +151730
7standard 441 Resnick, Matthew (1503) Won 2-1 +141744
8standard 332 Panzer, Murray (1594) Won 2-0 +151759
9standard 199 Smith, Nathaniel (1833) Lost 0-2 -171742
top average opponent: 1566record: 3-3-1 new rating: 1742

Grand Prix Providence 2015 (DTK standard) starting rating: 1784
round table opponent (rating) result Δrating
3standard 147 Brown, Robert (1458) Won 2-1 +121796
4standard 41 Patel, Tariq (1741) Lost 1-2 -191777
5standard 179 Tremblay, Sebastien (1635) Won 2-1 +151792
6standard 118 Chen, Shan Chun (1690) Lost 0-2 -191773
7standard 185 Fadden, Daniel (1532) Won 2-1 +131786
8standard 62 Petersen, Chase (1577) Lost 0-2 -211765
top average opponent: 1605record: 3-3 new rating: 1765

Grand Prix Ottawa 2014 (KTK limited) starting rating: 1818
round table opponent (rating) result Δrating
3sealed 163 Gerrard, Richard (1536) Lost 1-2 -231795
4sealed 264 LaCroix, Matt (1500) Lost 0-2 -231772
5sealed 364 Lambert, Michael (1415) Won 2-0 +121784
top average opponent: 1484record: 1-2 new rating: 1784

Grand Prix New Jersey 2014 (legacy) starting rating: 1856
round table opponent (rating) result Δrating
3legacy 841 Kichline, Josh (1534) Lost 1-2 -241832
4legacy 901 Brown, Travis (1548) Won 2-1 +131845
5legacy 800 Goldstein, Danny (1949) Won 2-1 +201865
6legacy 610 Mitchell, Wayne (1567) Lost 0-2 -231842
7legacy 671 Rockenbach, Bryan (1542) Lost 0-2 -241818
top average opponent: 1628record: 2-3 new rating: 1818

Grand Prix Boston-Worcester 2014 (modern) starting rating: 1749
round table opponent (rating) result Δrating
3modern 765 Panner, Schuyler (1535) Won 2-0 +141763
4modern 702 Sacks, Neal (1619) Won 2-0 +151778
5modern 705 Tremblay, Sebastien (1752) Won 2-1 +181796
6modern 956 Mackey, Benjamin (1591) Won 2-0 +141810
7modern 708 Kelley, Joshua (1618) Won 2-0 +151825
8modern 705 Villeneuve, Sebastien (1719) Lost 1-2 -201805
9modern 711 Spiess, Kurt (1867) Won 2-1 +191824
10modern 11 Fortier, Remi (1742) Lost 0-2 -201804
11modern 61 English, Eric (1764) Lost 1-2 -181786
12modern 62 Blechman, Phil (1539) Won 2-0 +131799
13modern 70 Jones, Kevin (1623) Won 2-0 +151814
14modern 22 Wafo-Tapa, Guillaume (2109) Won 0-0 +231837
15modern 33 Lanthier, Dan (1856) Won 2-0 +191856
top average opponent: 1718record: 10-3 new rating: 1856

Grand Prix Philadelphia 2014 (BNG limited) starting rating: 1753
round table opponent (rating) result Δrating
2sealed 75 Petrock, Brandon (1383) Won 2-0 +121765
3sealed 150 Pardo, Jorge (1536) Won 2-0 +141779
4sealed 820 Archambault, Julien (1525) Lost 0-2 -231756
5sealed 252 Noworaj, Andrew (1724) Won 2-0 +181774
6sealed 214 Shunamon, Jonathan (1680) Won 2-1 +161790
7sealed 48 Rhodes, Austin (1575) Lost 0-2 -221768
8sealed 246 Gottlieb, Justin (1701) Lost 0-0 -191749
top average opponent: 1589record: 4-3 new rating: 1749

Grand Prix Montreal 2014 (BNG limited) starting rating: 1717
round table opponent (rating) result Δrating
2sealed 134 Watson, Chris [CAN] (1464) Lost 0-2 -221695
3sealed 472 Buduroi, Nicolas (1482) Won 2-1 +141709
4sealed 271 Podtburg, Adam (1519) Lost 0-2 -221687
5sealed 475 Mitchell, Christian (1504) Won 2-0 +151702
6sealed 388 Tatian, John (1485) Won 2-1 +141716
7sealed 255 Neuteboom, Christopher (1535) Won 2-0 +151731
8sealed 122 Longo, Andrew (1623) Won 2-1 +161747
9sealed 81 Bertoncini, Alex (1936) Won 2-1 +211768
10draft 906 Drouin, Simon (1591) Won 2-1 +151783
11draft 925 Mailloux, Emmanuel (1595) Won 2-0 +151798
12draft 936 Boucher-Frappier, Andre (1616) Lost 0-2 -211777
13draft 969 Kerr, David (1592) Won 2-1 +141791
14draft 914 Liu, Brian (1862) Lost 0-2 -161775
15draft 959 Levstein, Alexander (1596) Lost 0-2 -221753
top average opponent: 1600record: 9-5 new rating: 1753

Grand Prix Richmond 2014 (modern) starting rating: 1708
round table opponent (rating) result Δrating
4modern 116 Epple, Stephen (1614) Won 2-0 +161724
5modern 27 Heath, Joel (1667) Won 2-1 +171741
6modern 34 Zhang, Peter (1660) Won 2-1 +161757
7modern 9 Utter-Leyton, Josh (1924) Won 2-1 +211778
8modern 1 Folinus, Jeff (1911) Lost 1-2 -151763
9modern 29 Hsu, Jeremy (1710) Lost 1-2 -191744
10modern 92 Teuscher, Chad (1579) Won 2-0 +151759
11modern 106 Pennington, Johnathan (1584) Lost 0-2 -211738
12modern 137 Green, Benjamin (1597) Lost 0-2 -211717
top average opponent: 1694record: 5-4 new rating: 1717

Pro Tour Born of the Gods (modern) starting rating: 1584
round table opponent (rating) result Δrating
1draft 172 Gusiev, Andrii (1878) Lost 0-2 -121572
2draft 160 Chapman, Ben (1685) Lost 0-2 -161556
3draft 179 Kadono, Takayuki (1512) Won 2-0 +171573
4modern 153 Basco, Chris (1517) Won 2-1 +171590
5modern 131 Manfield, Seth (1998) Won 2-1 +251615
6modern 92 Baker, Nick (1405) Won 2-0 +141629
7modern 51 Wosner, Mathias (1651) Won 2-0 +181647
8modern 14 Tong, Wu (1768) Won 2-0 +211668
9draft 114 Sochurek, Petr (1899) Lost 0-2 -141654
10draft 45 Alkio, Anssi (1805) Lost 1-2 -151639
11draft 68 Del Moral Leon, Antonio (1689) Won 2-1 +181657
12modern 30 Thomason, Timothy (1924) Won 2-0 +231680
13modern 35 Nassif, Gabriel (2017) Won 2-1 +241704
14modern 25 Hendriks, Thomas (1877) Lost 0-2 -151689
15modern 37 Shrout, Andrew (1713) Won 2-0 +191708
16modern 26 Johnson-Epstein, Jasper (1745) ID 01708
top average opponent: 1755record: 10-5-1 new rating: 1708

Grand Prix Atlantic City 2013 (RTR standard) starting rating: 1562
round table opponent (rating) result Δrating
3standard 69 Castro, Roberto (1599) Won 2-1 +181580
4standard 150 Kovac, Chase (1744) Won 2-0 +211601
5standard 79 Bowman, Jeremy (1594) Won 2-0 +181619
6standard 10 Shiels, Brian (1713) Won 2-1 +201639
7standard 24 Nunes, James (1836) Won 2-1 +221661
8standard 4 Chang, Morgan (1693) Lost 1-2 -181643
9standard 32 Stokes, Andre P (1720) Lost 1-2 -161627
10standard 73 Jordan, Daniel (2083) Lost 0-2 -111616
11standard 95 Hiles, Christopher (1584) Won 2-1 +181634
12standard 54 Hayne, Alexander (1936) Lost 0-2 -131621
13standard 65 Sees, William (1517) Lost 1-2 -201601
14standard 82 Mascioli, Chris (1664) Lost 0-2 -171584
top average opponent: 1724record: 6-6 new rating: 1584

Grand Prix Philadelphia 2012 (RTR limited) starting rating: 1406
round table opponent (rating) result Δrating
3sealed 95 Denniser, Andrew (1556) Won 2-0 +201426
4sealed 118 Doshi, Vishvas (1539) Won 2-0 +201446
5sealed 44 Dalton, Michael (1681) Won 2-1 +221468
6sealed 20 Hayne, Alexander (1895) Lost 1-2 -101458
7sealed 21 Manfield, Seth (1965) Won 2-0 +261484
8sealed 16 Goncz, Edward (1563) Won 2-1 +201504
9sealed 16 Bransfield, Justin (1637) Won 2-0 +201524
10sealed 17 Biron, Xavier (1635) Won 2-0 +201544
11draft 29 Pargh, David (1746) Won 2-0 +221566
12draft 73 Crane, Patrick (1652) Won 2-0 +191585
13draft 21 Rizzo, Jonathan (1718) Lost 0-2 -151570
14draft 102 Sokol, Mason (1682) Lost 1-2 -161554
15draft 69 Chen, Jiayi (1842) Won 2-0 +231577
16draft 76 Kovac, Chase (1731) Lost 0-2 -151562
top average opponent: 1703record: 10-4 new rating: 1562

Grand Prix Boston-Worcester 2012 (M13 limited) starting rating: 1435
round table opponent (rating) result Δrating
3sealed 266 Gregory, Wilson (1538) Lost 1-2 -161419
4sealed 287 Phillip S., (1518) Won 2-1 +201439
5sealed 141 Brock, Kyle (1489) Lost 0-2 -171422
6sealed 436 Martikke, Ross (1521) Lost 0-2 -161406
top average opponent: 1516record: 1-3 new rating: 1406

Grand Prix Nashville 2012 (DKA limited) starting rating: 1459
round table opponent (rating) result Δrating
2sealed 247 Lacoste II, Steven W (1500) Lost 1-2 -171442
3sealed 336 Dewailly, Benjamen (1453) Lost 0-2 -181424
4sealed 417 Hughes, Slay (1481) Lost 0-2 -171407
5sealed 423 Pullen, Thomas (1465) Lost 1-2 -171390
6sealed 371 Crouse, Chad (1446) Won 2-0 +191409
7sealed 297 Abshire, Brenton (1481) Won 2-0 +191428
8sealed 235 Downs, Austin (1588) Won 2-0 +211449
9sealed 181 Mantey, Tyler (1660) Lost 0-2 -141435
top average opponent: 1509record: 3-5 new rating: 1435

Grand Prix Baltimore 2012 (DKA standard) starting rating: 1493
round table opponent (rating) result Δrating
2standard 83 Lantz, Justin (1538) Lost 1-2 -171476
3standard 515 Lambert, Christopher (1486) Lost 0-2 -181458
4standard 621 Burnette, Shawn M (1482) Won 2-0 +191477
5standard 561 Allen, Dustin (1500) Lost 0-2 -181459
top average opponent: 1501record: 1-3 new rating: 1459

Grand Prix Montreal 2011 (M12 limited) starting rating: 1488
round table opponent (rating) result Δrating
1sealed 124 Robitaille, Guillaume (1500) Lost 0-2 -181470
2sealed 225 Theriault, Jean-philip (1551) Won 2-0 +191489
3sealed 85 Axtell, Matthew (1471) Lost 0-2 -181471
4sealed 193 Bachar, Roudi (1482) Won 2-0 +181489
5sealed 184 Kubilis, John (1704) Lost 0-2 -141475
6sealed 162 Mitnick, Howard (1486) Won 2-0 +181493
top average opponent: 1532record: 3-3 new rating: 1493

Grand Prix Pittsburgh 2011 (M12 standard) starting rating: 1520
round table opponent (rating) result Δrating
2standard 279 Berg, Tim (1717) Lost 1-2 -141506
3standard 492 Williams, James M (1501) Lost 0-2 -181488
4standard 618 WEBER, BOB (1482) Won 2-0 +181506
5standard 529 hudzik, mike (1505) Lost 1-2 -181488
top average opponent: 1551record: 1-3 new rating: 1488

Grand Prix Toronto 2010 (SOM limited) starting rating: 1523
round table opponent (rating) result Δrating
1sealed 61 Poltis, Bob (1464) Lost 0-2 -191504
2sealed 266 Frost, Jason (1482) Won 2-0 +181522
3sealed 111 Sherkin, Michael B (1500) Lost 1-2 -191503
4sealed 285 MacDonald, Aaron (1481) Won 2-0 +181521
5sealed 163 Guerette, Simon (1506) Won 2-0 +181539
6sealed 106 Innes, William (1517) Lost 0-2 -191520
top average opponent: 1492record: 3-3 new rating: 1520

Grand Prix Washington DC 2010 (ROE standard) starting rating: 1562
round table opponent (rating) result Δrating
1standard 258 Russ, Oliver (1487) Lost 0-2 -201542
2standard 385 Gwin, Joe (1482) Won 2-0 +171559
3standard 280 Littlefield, Mark E (1611) Lost 0-2 -171542
4standard 377 Antonelli, Anthony (1481) Lost 0-2 -191523
top average opponent: 1515record: 1-3 new rating: 1523

Grand Prix Boston 2009 (M10 limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 50 Paschover, Marc (1517) Won 2-0 +181518
2sealed 32 Asulin, Jordan (1553) Lost 0-2 -171501
3sealed 230 Musser, Dan (1500) Lost 0-2 -181483
4sealed 269 Menard, Michael (1482) Won 2-1 +181501
5sealed 218 Vasquez, Christian (1499) Won 2-0 +181519
6sealed 113 Mcbroom Ii, John (1519) Won 2-0 +181537
7sealed 83 Burnett, Kai (1648) Won 2-1 +201557
8sealed 90 Morison, Kyle (1554) Won 2-0 +181575
9sealed 45 Mahler, Hans (1706) Won 2-1 +201595
10draft 18 O'Brien, William (1591) Lost 1-2 -181577
12draft 67 Hostutler, Justin (1591) Won 2-0 +181595
13draft 23 Sale, Daniel (1693) Lost 1-2 -161579
14draft 41 Gilbert, Nicholas (1614) Lost 0-2 -171562
top average opponent: 1574record: 8-5 new rating: 1562