Wins
6
Indexed tournament wins
Player record
O'Donnell, Michael P.
Losses
5
Indexed tournament losses
Matches
11
Decisive results
Win rate
54.5%
Across indexed matches
Peak rating
900
Highest rating in the available history.
Biggest upset
Craig Pelissier
Bay State Holiday Open · Jan 11, 1997 · +158 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Behrens, Jason
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 10, 2026, 2:27 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 11, 1997 | Bay State Holiday OpenTournament · View matches | 715 | 900 | +185 | 4W / 1L |
| Nov 16, 1996 | Bay State Under 2000 OpenTournament · View matches · Initial rating 715 | Unrated | 715 | — | 2W / 4L |
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