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Derro, Joseph
Current rating: 1591

Grand Prix Indianapolis 2013 (RTR limited) starting rating: 1634
round table opponent (rating) result Δrating
1sealed 141 Kaiser, Ben (1429) Won 2-0 +141648
2sealed 176 Spear, Azrael (1658) Lost 0-2 -171631
3sealed 187 Robertson, Christopher (1500) Lost 1-2 -211610
4sealed 316 Tidd, Mark (1539) Lost 1-2 -191591
top average opponent: 1532record: 1-3 new rating: 1591

Grand Prix Toronto 2010 (SOM limited) starting rating: 1647
round table opponent (rating) result Δrating
2sealed 8 Novakowski, George (1520) Won 2-0 +161663
3sealed 23 Paterson, Matthew (1536) Won 2-1 +161679
4sealed 25 Gardler, Harrison J (1528) Lost 1-2 -211658
5sealed 94 Oh, Matthew (1544) Lost 0-2 -201638
6sealed 154 Lebert, Dave (1521) Won 2-1 +161654
7sealed 118 Sutcliffe, David (1561) Lost 0-2 -201634
top average opponent: 1535record: 3-3 new rating: 1634

Grand Prix Detroit 2005 (BOK limited) starting rating: 1617
round table opponent (rating) result Δrating
3sealed 16 Ruggiero, Pasquale (1556) Lost 0-2 -191598
4sealed 76 Brown, Gary (1519) Won 2-0 +161614
5sealed 75 Stelmack, Andrew (1528) Won 2-1 +171631
6sealed 19 Ravitz, Joshua (1691) Lost 1-2 -171614
7sealed 88 Mabie, Bryan (1535) Won 2-0 +171631
8sealed 51 Sanguinetti, James (1565) Won 2-1 +161647
top average opponent: 1566record: 4-2 new rating: 1647

Grand Prix Columbus 2004 (DST limited) starting rating: 1592
round table opponent (rating) result Δrating
3sealed 75 Honea, John (1563) Won 2-0 +181610
4sealed 24 Hunka, John (1719) Lost 0-2 -161594
5sealed 110 Rivera, Tim (1646) Lost 1-2 -171577
6sealed 190 Walls, Gabe (1940) Won 2-1 +241601
7sealed 148 Tate, Brian (1635) Won 2-0 +191620
8sealed 96 Lee, Winston (1623) Won 2-0 +181638
9sealed 49 Higgins, Michael (1486) Lost 1-2 -211617
top average opponent: 1659record: 4-3 new rating: 1617

Grand Prix Detroit 2003 (Onslaught block) starting rating: 1508
round table opponent (rating) result Δrating
1block 112 Mullins, Chris (1428) Won 2-1 +161524
2block 95 Smallwood, Kent (1518) Won 2-0 +181542
3block 25 Aten, Timothy (1602) Lost 1-2 -171525
4block 145 Westfall, Matthew (1517) Won 2-0 +181543
5block 88 Hsiung, Kenny (1738) Won 2-0 +221565
6block 55 Bell, Michael (1564) Won 1-0 +181583
7block 21 Talim, Gary (1772) Won 2-1 +211604
8block 7 Boileau, Louis (1745) Won 2-1 +211625
9block 4 Smerling, Lester (1678) Lost 0-2 -171608
10block 18 Shvartsman, Alex (1846) Lost 1-2 -141594
11block 26 Monast, David (1583) Won 2-0 +181612
12block 18 Hollar, Paul (1601) Won 2-1 +181630
13block 10 Tate, Brian (1579) Lost 0-2 -191611
14block 17 Triplo, David (1596) Lost 1-2 -191592
top average opponent: 1626record: 9-5 new rating: 1592

Grand Prix Boston 2003 (LGN limited) starting rating: 1463
round table opponent (rating) result Δrating
2sealed 134 mancuso, Stephen (1518) Lost 1-2 -171446
3sealed 133 Grandon, Dan (1444) Lost 0-2 -191427
4sealed 228 Tellstone, Zachary (1480) Won 2-1 +191446
5sealed 181 Terry, Steven (1483) Won 2-1 +191465
6sealed 104 Walsh, Ryan (1491) Won 2-0 +191484
7sealed 69 Williams, David A (1763) Won 2-0 +231507
8sealed 55 Lowles, Maurice (1476) Won 2-0 +171524
9sealed 40 Benanzer, Andrew S (1630) Lost 1-2 -161508
top average opponent: 1536record: 5-3 new rating: 1508

Grand Prix Milwaukee 2002 (TOR standard) starting rating: 1500
round table opponent (rating) result Δrating
1standard 123 Lazarski, Derek (1468) Lost 0-2 -191481
2standard 220 Sutton, Stephen (1482) Lost 0-2 -181463
3standard 280 Gutierrez, Rob (1412) Won 2-1 +171480
4standard 247 Yang, Toua (1482) Lost 1-2 -171463
top average opponent: 1461record: 1-3 new rating: 1463