Wins
1
Indexed tournament wins
Player record
Williamson, Ross
Losses
18
Indexed tournament losses
Matches
19
Decisive results
Win rate
5.3%
Across indexed matches
Peak rating
1,394
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
Ah Kun, Malcolm
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 14, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 27, 2005 | 2005 N. American Teams Open ChTournament · View matches · Initial rating 1,394 | Unrated | 1,394 | — | 1W / 18L |
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