Wins
3
Indexed tournament wins
Player record
Coffin, Karen L.
Losses
4
Indexed tournament losses
Matches
7
Decisive results
Win rate
42.9%
Across indexed matches
Peak rating
945
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
Boersma, Ken
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 12, 2026, 2:33 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 18, 1994 | MATTC September OpenTournament · View matches | 945 | 931 | -14 | 1W / 3L |
| Jun 12, 1994 | MATTC June OpenTournament · View matches · Initial rating 945 | Unrated | 945 | — | 2W / 1L |
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