Wins
4
Indexed tournament wins
Player record
YiYun Zhang
Losses
4
Indexed tournament losses
Matches
8
Decisive results
Win rate
50.0%
Across indexed matches
Peak rating
2,222
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
TrieuTien (Tommy) Nguyen
2013 Berkeley Open on JOOLA North America Tour · Sep 8, 2013 · -9 rating
Open →Most frequent opponent
Huaiyu Chen
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 29, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 8, 2013 | 2013 Berkeley Open on JOOLA North America TourTournament · View matches | 2,189 | 2,222 | +33+50 / -17 | 3W / 3L |
| Aug 17, 2013 | Sacramento Summer OpenTournament · View matches · Initial rating 2,189 | Unrated | 2,189 | — | 1W / 1L |
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