Wins
3
Indexed tournament wins
Player record
Koorey, Deborah
Losses
11
Indexed tournament losses
Matches
14
Decisive results
Win rate
21.4%
Across indexed matches
Peak rating
643
Highest rating in the available history.
Biggest upset
Petty, John.
St. Joseph Valley, No. America · May 29, 1995 · +231 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Basker, Dan
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 11, 2026, 2:31 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jul 16, 1995 | $8000 Detroit OpenTournament · View matches | 627 | 643 | +16+16 / 0 | 1W / 2L |
| May 29, 1995 | St. Joseph Valley, No. AmericaTournament · View matches | 583 | 627 | +44+45 / -1 | 1W / 5L |
| Apr 29, 1995 | MI April OpenTournament · View matches | 583 | 583 | 0+0 / 0 | 1W / 4L |
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