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Mahon, John
Current rating: 1600

Grand Prix Atlanta 2011 (extended) starting rating: 1604
round table opponent (rating) result Δrating
2extended 469 Kurtin, Matthew R (1613) Won 2-0 +181622
3extended 473 Ohlschwager, Andrew (1571) Lost 0-2 -191603
4extended 571 Qadir, Aadil (1611) Won 2-0 +181621
5extended 493 Darby, Scott (1614) Lost 1-2 -181603
6extended 572 Heminway, Curtis (1498) Won 2-0 +161619
7extended 532 Krug, Andrew (1580) Lost 1-2 -191600
top average opponent: 1581record: 3-3 new rating: 1600

Grand Prix Nashville 2010 (SOM limited) starting rating: 1659
round table opponent (rating) result Δrating
4sealed 475 Riggs, Ben (1500) Lost 0-2 -211638
5sealed 555 Tessler, Johnathan T (1633) Lost 1-2 -181620
6sealed 594 Castor, Kenny (1736) Lost 0-2 -161604
top average opponent: 1623record: 0-3 new rating: 1604

Grand Prix Washington DC 2010 (ROE standard) starting rating: 1703
round table opponent (rating) result Δrating
4standard 701 Barna, Chris (1546) Won 2-0 +151718
5standard 647 Woltereck, Chris (1881) Won 2-0 +211739
6standard 621 Roystan, Andrew (1630) Lost 1-2 -201719
7standard 631 Ferry, Sergio (1627) Lost 1-2 -191700
8standard 719 Richardson, Tyler (1574) Lost 1-2 -211679
9standard 696 Scheffenacker, Michael (1527) Lost 0-2 -201659
top average opponent: 1631record: 2-4 new rating: 1659

Grand Prix Atlanta 2008 (ALA limited) starting rating: 1674
round table opponent (rating) result Δrating
2sealed 127 Dolan, Greg (1500) Won 2-1 +151689
3sealed 37 Ferguson, Beau (1686) Won 2-1 +181707
4sealed 15 Cruse, William (1506) Won 2-1 +151722
5sealed 43 Nakamura, Shuhei (2090) Lost 1-2 -121710
6sealed 55 Smart, Thomas (1597) Won 2-0 +161726
7sealed 42 Steht, Lee (1777) Lost 1-2 -171709
8sealed 57 Ratanacharoensiri, Wyt (1553) Lost 0-2 -211688
9sealed 90 Peters, Scott (1537) Won 2-0 +151703
top average opponent: 1656record: 5-3 new rating: 1703

Grand Prix Daytona Beach 2007 (LRW limited) starting rating: 1723
round table opponent (rating) result Δrating
2sealed 137 Capalbi, Joseph (1506) Lost 0-2 -211702
3sealed 180 Carriveau, Kurt (1473) Won 2-1 +131715
4sealed 203 Shapiro, Yakov (1628) Lost 1-2 -191696
5sealed 194 Lepore, Frank (1500) Lost 0-2 -221674
top average opponent: 1527record: 1-3 new rating: 1674

Pro Tour San Diego 2004 (DST draft) starting rating: 1633
round table opponent (rating) result Δrating
1draft 16 Persson, Andreas (1674) Won 2-0 +191652
2draft 34 Montoya, Brandon (1548) Won 2-1 +161668
3draft 29 Vallivaara, Ilari (1581) Won 2-0 +171685
4draft 84 Thoren, Jens (1858) Won 2-1 +211706
5draft 120 Wise, Gary (1806) Won 2-1 +201726
6draft 4 Jonsson, Anton (2039) Lost 0-2 -131713
7draft 26 Zajdner, Mark (1796) Won 2-0 +201733
8draft 36 Wise, Gary (1830) Lost 0-2 -171716
9draft 17 Morita, Masahiko (2122) Won 2-0 +251741
10draft 22 Turian, Michael (2111) Lost 0-2 -111730
11draft 33 Wise, Gary (1814) Lost 0-2 -171713
12draft 23 Menard, Antoine (1841) Won 2-0 +211734
13draft 43 Salvin, Jean Charles (1786) Lost 0-2 -171717
14draft 18 Levy, Raphael (1962) Won 2-0 +221739
15draft 29 Gomersall, Sam (1871) Lost 0-2 -161723
top average opponent: 1843record: 9-6 new rating: 1723

Grand Prix Columbus 2004 (DST limited) starting rating: 1604
round table opponent (rating) result Δrating
2sealed 28 Nielsen, Bill (1557) Won 2-1 +171621
3sealed 101 Rowe, Barry (1552) Won 2-1 +171638
4sealed 74 Parnell, Taylor (1533) Lost 1-2 -201618
5sealed 105 Bucchioni, Anthony (1518) Won 2-0 +161634
6sealed 100 Lambert, Eric (1502) Lost 0-2 -201614
7sealed 91 Gilly, Sammy (1575) Won 2-0 +171631
8sealed 62 Weitz, David (1801) Won 2-0 +211652
9sealed 63 Wiitanen, Josh (1619) Lost 0-2 -191633
top average opponent: 1582record: 5-3 new rating: 1633

Pro Tour New Orleans 2003 (extended) starting rating: 1647
round table opponent (rating) result Δrating
1extended 95 Kotiranta, Tuomas (1867) Lost 0-2 -141633
2extended 139 Glockner, Tim (1494) Lost 1-2 -201613
3extended 155 Tsang, Gabriel (1936) Lost 0-2 -131600
4extended 156 Snepvangers, Bram (1696) Won 2-1 +201620
5extended 115 Locard, Olivier (1432) Won 2-1 +151635
6extended 122 Mowshowitz, Zvi (1971) Lost 1-2 -121623
7extended 109 Cable, Axel (1583) Lost 1-2 -191604
top average opponent: 1711record: 2-5 new rating: 1604

Grand Prix Atlanta 2003 (8ED standard) starting rating: 1552
round table opponent (rating) result Δrating
3standard 8 DePew, Benjamin (1642) Lost 1-2 -171535
4standard 173 Arthur, Garry (1517) Won 2-1 +181553
5standard 102 Rabinovitz, Josh (1528) Won 2-0 +181571
6standard 66 Boddy, Kyle (1538) Won 2-1 +171588
7standard 36 Simpson, Jason (1572) Won 2-1 +181606
8standard 16 Babis, Robert (1591) ID 01606
9standard 15 Mongiello, Robert (1583) Won 2-0 +171623
10standard 13 Jackness, Justin (1622) Won 2-1 +181641
11standard 6 Wagener, Joshua (1823) Lost 1-2 -141627
12standard 13 Crosby, Joseph (1869) Won 2-1 +221649
13standard 7 Taylor, Brad (1502) Won 2-0 +151664
14standard 4 Thompson, Keith (1713) Lost 1-2 -171647
top average opponent: 1625record: 8-3-1 new rating: 1647

Grand Prix Washington DC 1999 (UDS limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 45 Martin, Matthew (1500) Lost 0-0 -181482
2sealed 114 Lovin, Mark (1482) Won 0-0 +181500
3sealed 162 Dorfman, Isaac (1500) Won 0-0 +181518
4sealed 113 Rauseo, Matthew (1481) Won 0-0 +171535
5sealed 73 Callahan, Michael (1453) Lost 0-0 -191516
6sealed 91 Petersen, David (1509) Won 0-0 +181534
7sealed 70 Whitehead, Austin (1538) Won 0-0 +181552
top average opponent: 1495record: 5-2 new rating: 1552