Wins
7
Indexed tournament wins
Player record
Irwin, Jason
Losses
4
Indexed tournament losses
Matches
11
Decisive results
Win rate
63.6%
Across indexed matches
Peak rating
837
Highest rating in the available history.
Biggest upset
Aldinger, Barbara
PA State Games · Apr 26, 1998 · +45 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Matthews, Ryan
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 9, 2026, 2:30 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 26, 1998 | PA State GamesTournament · View matches | 826 | 837 | +11 | 4W / 3L |
| Jan 25, 1998 | MATTC January OpenTournament · View matches · Initial rating 826 | Unrated | 826 | — | 3W / 1L |
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