Wins
301
Indexed tournament wins
Player record
Karen Ma
Losses
241
Indexed tournament losses
Matches
542
Decisive results
Win rate
55.5%
Across indexed matches
Peak rating
2,062
Highest rating in the available history.
Biggest upset
Yang, Ted
No. Amer. Teams Open Championships · Nov 26, 2000 · +718 rating
Open →Biggest loss
Reyes, Alanis
JOOLA North American Teams · Nov 23, 2018 · -700 rating
Open →Most frequent opponent
Sarah Zheng
9 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
45 tournament appearances · synced Aug 11, 2026, 4:09 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 14, 1999 | NJTTC February WinterTournament · View matches | 680 | 726 | +46+51 / -5 | 6W / 4L |
| Nov 29, 1998 | 1998 North American Teams ChampionshipsTournament · View matches | 717 | 680 | -37 | 0W / 12L |
| Nov 1, 1998 | Kennedy Memorial Park "Winter Tournament · View matches | 610 | 717 | +107 | 2W / 2L |
| Feb 15, 1998 | February Westfield OpenTournament · View matches | 566 | 610 | +44+50 / -6 | 1W / 1L |
| Jan 18, 1998 | January Westfield OpenTournament · View matches · Initial rating 566 | Unrated | 566 | — | 1W / 3L |
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