Wins
6
Indexed tournament wins
Player record
Yoo, Stephan (Haksoo)
Losses
5
Indexed tournament losses
Matches
11
Decisive results
Win rate
54.5%
Across indexed matches
Peak rating
1,102
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
Michael Groom
2 matches
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, 2:26 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 28, 2009 | 2009 Rose City OpenTournament · View matches · Initial rating 1,102 | Unrated | 1,102 | +6+12 / -6 | 6W / 5L |
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