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First name(s): Donna
Last name(s): Biderman
Home: Alexandria, VA, USA
NASPA TWL Rating: 1013 (ranked #549 overall, #17 in state)
Official Certification: tournament and club director

Championship Record
EventYearDivisionRankRepresented
NSC2022411/59, 18.0-13.0 +107 
NSC2024426/69, 17.0-14.0 +79 
Recent Tournaments
EventRecordRating
Alexandria, VA, USA (OWL)
2025-09-13
4-4 +111
Rank: 4
1013 = 980+33
Charlottesville, VA, USA (OWL)
2025-08-31
2-6 -263
Rank: 5
980 = 1018-38
King of Prussia, PA, USA (OWL)
2025-08-23
5-2 +466
Rank: 2
1018 = 1013+5
Alexandria, VA, USA (OWL)
2025-07-12
5-3 -5
Rank: 4
1013 = 976+37
Alexandria, VA, USA (OWL)
2025-05-31
7-0 +596
Rank: 1
976 = 931+45
Alexandria, VA, USA (OWL)
2025-04-06
3-4 +61
Rank: 6
931 = 946-15
Research Triangle Park, NC, USA (OWL)
2025-03-16
4-3 -104
Rank: 3
946 = 942+4
Silver Spring, MD, USA (OWL)
2025-03-01
4-3 -112
Rank: 5
942 = 927+15
Alexandria, VA, USA (OWL)
2025-02-16
4-4 +109
Rank: 4
927 = 909+18
Charlottesville, VA, USA (OWL)
2024-12-19
2-5 -159
Rank: 12
909 = 931-22

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