Wins
1
Indexed tournament wins
Player record
Biddle, Sam
Losses
7
Indexed tournament losses
Matches
8
Decisive results
Win rate
12.5%
Across indexed matches
Peak rating
311
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Betty Kostkowski
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Rating history unavailable
More published rating points are needed before a trajectory can be drawn.
Tournament history
1 tournament appearances · synced Aug 11, 2026, 2:33 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 21, 2005 | Maryland Giant RRTournament · View matches · Initial rating 311 | Unrated | 311 | — | 1W / 7L |
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