Wins
232
Indexed tournament wins
Player record
Toon Mao
Losses
163
Indexed tournament losses
Matches
395
Decisive results
Win rate
58.7%
Across indexed matches
Peak rating
2,046
Highest rating in the available history.
Biggest upset
Sit, Shing Sui
Golden State Open · May 27, 2007 · +391 rating
Open →Biggest loss
Barbara Clark
31st Taiwanese and Chinese American Athletic · Jun 20, 2015 · -493 rating
Open →Most frequent opponent
Peter Chen
18 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
68 tournament appearances · synced Aug 9, 2026, 4:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 4, 2002 | Cinco de Mayo RRTournament · View matches | 1,984 | 1,944 | -40 | 5W / 3L |
| Aug 19, 2001 | San Francisco Summer OpenTournament · View matches | 1,988 | 1,984 | -4 | 4W / 2L |
| May 27, 2001 | Golden State Open - CATournament · View matches | 1,994 | 1,988 | -6+0 / -6 | 3W / 2L |
| Aug 20, 2000 | 2000 San Francisco Summer OpenTournament · View matches | 1,998 | 1,994 | -4+14 / -18 | 5W / 3L |
| Jul 23, 2000 | Daly City Mayoral Trophy TTTTournament · View matches | 1,979 | 1,998 | +19+19 / 0 | 5W / 1L |
| Jun 25, 2000 | Golden Gate Open on the North Tournament · View matches | 1,978 | 1,979 | +1+1 / 0 | 2W / 1L |
| Dec 19, 1999 | US NationalsTournament · View matches | 1,978 | 1,978 | 0+21 / -21 | 7W / 4L |
| Sep 26, 1999 | Daly City Mayoral TrophyTournament · View matches | 1,989 | 1,978 | -11+0 / -11 | 0W / 2L |
| Sep 5, 1999 | 1999 Sam Lima MemorialTournament · View matches | 2,038 | 1,989 | -49+5 / -54 | 11W / 4L |
| Aug 22, 1999 | San Francisco Summer OpenTournament · View matches | 2,046 | 2,038 | -8 | 4W / 1L |
| May 29, 1999 | Golden State OpenTournament · View matches · USATT readjusted 1,932 → 1,990 | 1,932 | 2,046 | +56+56 / 0 | 4W / 1L |
| Sep 27, 1998 | Daly City War MemorialTournament · View matches | 1,934 | 1,932 | -2+2 / -4 | 3W / 1L |
| Sep 6, 1998 | Sam Lima MemorialTournament · View matches | 1,934 | 1,934 | 0+16 / -16 | 4W / 1L |
| Aug 16, 1998 | San Francisco Summer OpenTournament · View matches | 1,908 | 1,934 | +26+38 / -12 | 4W / 3L |
| May 2, 1998 | Cinco De Mayo RRTournament · View matches | 1,924 | 1,908 | -16+14 / -30 | 5W / 2L |
| Nov 22, 1997 | Daly City First Open RR SingleTournament · View matches | 1,952 | 1,924 | -28 | 2W / 1L |
| Jun 14, 1997 | Sac-Rec Summer OpenTournament · View matches | 1,937 | 1,952 | +15+17 / -2 | 2W / 1L |
| May 25, 1997 | 23rd Annual Golden State OpenTournament · View matches | 1,917 | 1,937 | +20+20 / 0 | 6W / 0L |
| May 3, 1997 | Cinco de Mayo RRTournament · View matches | 1,968 | 1,917 | -51+2 / -53 | 4W / 2L |
| Feb 23, 1997 | Berkeley OpenTournament · View matches | 1,966 | 1,968 | +2+2 / 0 | 6W / 0L |