Wins
3
Indexed tournament wins
Player record
Harrington, John
Losses
4
Indexed tournament losses
Matches
7
Decisive results
Win rate
42.9%
Across indexed matches
Peak rating
768
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
Brocker, David
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 11, 2026, 2:30 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 29, 1994 | St. Joseph Valley OpenTournament · View matches · Initial rating 768 | Unrated | 768 | — | 3W / 4L |
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