Wins
1
Indexed tournament wins
Player record
McDonald, Marion Verna
Losses
9
Indexed tournament losses
Matches
10
Decisive results
Win rate
10.0%
Across indexed matches
Peak rating
408
Highest rating in the available history.
Biggest upset
Kahan, Stanley
Meiklejohn North American Seniors · Jun 8, 2008 · +672 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Arata, Yasuko
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 20, 2026, 2:27 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 8, 2008 | Meiklejohn North American SeniorsTournament · View matches · USATT readjusted 308 → 358 | 308 | 408 | +50+50 / 0 | 1W / 3L |
| Oct 11, 2007 | Huntsman World Senior GamesTournament · View matches · Initial rating 308 | Unrated | 308 | — | 0W / 6L |
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