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Blum, Ronald M
Current rating: 1555
Record: 7-5

Grand Prix Costa Rica 2012 (M13 limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 138 Cespedes, Diego (1500) Won 2-0 +181518
3sealed 45 Cordon, Diego (1518) Won 2-0 +181536
4sealed 27 Fish, Darryll (1713) Won 2-1 +211557
5sealed 17 Searles, James (1564) Won 2-0 +181575
6sealed 6 Ochoa, David (1887) Won 2-0 +241599
7sealed 5 Stark, Ben S (2037) Lost 1-2 -111588
8sealed 15 Tietze, Maxwell (2005) Lost 1-2 -111577
9draft 21 Lee, Alex (1580) Lost 0-2 -171560
10draft 5 Estrada Morales, Mauricio (1494) Lost 1-2 -201540
11draft 24 Madriz, Ricardo (1433) Won 2-1 +161556
12draft 3 Estrada Morales, Mauricio (1497) Lost 1-2 -191537
14draft 5 Soler, William J (1540) Won 2-1 +181555
average opponent: 1647record: 7-5 new rating: 1555