Wins
10
Indexed tournament wins
Player record
Zheng, Changgong
Losses
1
Indexed tournament losses
Matches
11
Decisive results
Win rate
90.9%
Across indexed matches
Peak rating
2,677
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
Barney Reed
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 19, 2026, 2:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 28, 2004 | 2004 N. American Teams Open TTTournament · View matches · Initial rating 2,677 | Unrated | 2,677 | — | 10W / 1L |
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