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Costello, Sean
Current rating: 1514
Record: 9-9-1

Grand Prix Los Angeles 2014 (KTK standard) starting rating: 1517
round table opponent (rating) result Δrating
3standard 57 Poellinger, Ethan (1673) Lost 1-2 -151502
4standard 330 Castillo, Ryen (1686) Won 2-0 +211523
5standard 170 Williams, Admassu (1539) Won 2-0 +191542
6standard 66 Kotow, Todd (1497) Won 2-0 +171559
7standard 31 Courser, Steven (1571) Draw 1-1 01559
8standard 89 Silvester, Christopher (1529) Won 2-1 +171576
9standard 50 McAmis, Christopher (1598) Won 2-0 +191595
10standard 30 Son, Tony (1650) Lost 0-2 -171578
11standard 63 O'Reilly-Hahn, Cassady (1584) Lost 1-2 -181560
12standard 82 Cifka, Stanislav (2061) Lost 0-2 -101550
13standard 89 Wagner, Pascal (1560) Lost 0-2 -171533
14standard 88 Chun, Chang (1517) Lost 1-2 -191514
average opponent: 1622record: 5-6-1 new rating: 1514

Grand Prix Los Angeles 2009 (extended) starting rating: 1500
round table opponent (rating) result Δrating
1extended 111 Dracoulis, Garth (1483) Won 2-0 +181518
2extended 192 Tomei, Robert C (1535) Won 2-0 +181536
3extended 41 Santos, Mark (1501) Lost 1-2 -191517
4extended 257 Wisner, Joshua W (1520) Lost 0-2 -181499
5extended 287 Williams, Randy (1500) Won 2-1 +181517
6extended 221 McKenna, Michael (1501) Won 2-0 +181535
7extended 129 Gonzales, Gilbert (1538) Lost 0-2 -181517
average opponent: 1511record: 4-3 new rating: 1517