Wins
9
Indexed tournament wins
Player record
Ahn, Hyungjoon (John)
Losses
4
Indexed tournament losses
Matches
13
Decisive results
Win rate
69.2%
Across indexed matches
Peak rating
1,051
Highest rating in the available history.
Biggest upset
Livingston, Jack
2005 PA State Championship (Cl · Apr 17, 2005 · +202 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Dennis Moran
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 13, 2026, 2:31 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 17, 2005 | 2005 PA State Championship (ClTournament · View matches | 950 | 1,051 | +101 | 5W / 2L |
| Apr 27, 2003 | 2003 PA State Championships ClosedTournament · View matches · Initial rating 950 | Unrated | 950 | — | 4W / 2L |
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