Wins
5
Indexed tournament wins
Player record
Zilberbaum, Joseph
Losses
4
Indexed tournament losses
Matches
9
Decisive results
Win rate
55.6%
Across indexed matches
Peak rating
1,573
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
Alan Williams
1 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 8, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 20, 1998 | 1998 Eastern OpenTournament · View matches | 1,573 | 1,572 | -1+0 / -1 | 0W / 2L |
| Aug 10, 1997 | Maryland August CircuitTournament · View matches · Initial rating 1,573 | Unrated | 1,573 | — | 5W / 2L |
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