Wins
5
Indexed tournament wins
Player record
O'Brien, Patrick
Losses
16
Indexed tournament losses
Matches
21
Decisive results
Win rate
23.8%
Across indexed matches
Peak rating
872
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
Mitroi, Stefan
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 8, 2026, 2:22 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 28, 2001 | 2001 Michigan State TT ChampioTournament · View matches | 861 | 872 | +11 | 4W / 7L |
| Sep 30, 2000 | Davison September OpenTournament · View matches · Initial rating 861 | Unrated | 861 | — | 1W / 9L |
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