Player record

Cheung, Joanna

ID 1727FemaleInactive
Current rating1,274
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Wins

42

Indexed tournament wins

Losses

44

Indexed tournament losses

Matches

86

Decisive results

Win rate

48.8%

Across indexed matches

Peak rating

1,274

Highest rating in the available history.

Biggest upset

Brent Wojahn

Pacific Rim Open · Nov 5, 1995 · +426 rating

Open →

Biggest loss

Chieu, Albert

US Open · Jul 10, 2005 · -399 rating

Open →

Most frequent opponent

Conlan, Lena Maria

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

7 tournament appearances · synced Aug 8, 2026, 2:19 AM

DateTournamentRating inRating afterPoints changedRecord
Jul 10, 2005US OpenTournament · View matches1,2321,274+42+92 / -506W / 1L
May 4, 1997Seattle OpenTournament · View matches1,2531,232-21+4 / -251W / 5L
Nov 10, 1996Pacific Rim OpenTournament · View matches1,2281,253+257W / 8L
Jun 23, 1996Rose City OpenTournament · View matches1,2101,228+18+35 / -1710W / 6L
Nov 5, 1995Pacific Rim OpenTournament · View matches9741,210+2366W / 8L
Nov 13, 1994Pacific Rim OpenTournament · View matches985974-11+5 / -162W / 9L
Aug 20, 1994Portland OpenTournament · View matches · Initial rating 985Unrated985—10W / 7L