Wins
85
Indexed tournament wins
Player record
William Y. Wong
Losses
162
Indexed tournament losses
Matches
247
Decisive results
Win rate
34.4%
Across indexed matches
Peak rating
1,763
Highest rating in the available history.
Biggest upset
Raza Mawjee
2019 Sacramento Summer Open · Aug 17, 2019 · +412 rating
Open →Biggest loss
Burson, Scott
San Fransisco Summer Open · Aug 21, 1994 · -754 rating
Open →Most frequent opponent
Daniel Wong
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
45 tournament appearances · synced Aug 10, 2026, 3:14 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 19, 2007 | San Francisco Summer OpenTournament · View matches | 1,543 | 1,497 | -46+17 / -63 | 3W / 6L |
| Aug 21, 2005 | San Francisco Summer OpenTournament · View matches | 1,555 | 1,543 | -12+2 / -14 | 1W / 2L |
| Aug 15, 2004 | San Francisco Summer OpenTournament · View matches | 1,591 | 1,555 | -36+0 / -36 | 1W / 3L |
| Aug 17, 2003 | 2003 S.F. Summer OpenTournament · View matches | 1,621 | 1,591 | -30+0 / -30 | 0W / 4L |
| May 25, 2003 | Golden State OpenTournament · View matches | 1,596 | 1,621 | +25+32 / -7 | 3W / 2L |
| Aug 18, 2002 | San Francisco Summer OpenTournament · View matches | 1,635 | 1,596 | -39+11 / -50 | 2W / 5L |
| May 26, 2002 | Golden State OpenTournament · View matches | 1,683 | 1,635 | -48+5 / -53 | 2W / 3L |
| May 4, 2002 | Cinco de Mayo RRTournament · View matches | 1,679 | 1,683 | +4 | 5W / 3L |
| Apr 20, 2002 | Sacramento Spring OpenTournament · View matches | 1,702 | 1,679 | -23+0 / -23 | 1W / 5L |
| Aug 19, 2001 | San Francisco Summer OpenTournament · View matches | 1,716 | 1,702 | -14+0 / -14 | 0W / 3L |
| May 27, 2001 | Golden State Open - CATournament · View matches | 1,717 | 1,716 | -1+2 / -3 | 1W / 1L |
| Aug 20, 2000 | 2000 San Francisco Summer OpenTournament · View matches | 1,743 | 1,717 | -26+0 / -26 | 1W / 2L |
| May 28, 2000 | Golden State OpenTournament · View matches | 1,763 | 1,743 | -20+2 / -22 | 1W / 2L |
| Apr 29, 2000 | CA April Loop RR TTTTournament · View matches · USATT readjusted 1,664 → 1,715 | 1,664 | 1,763 | +48+73 / -25 | 4W / 1L |
| Aug 22, 1999 | San Francisco Summer OpenTournament · View matches | 1,711 | 1,664 | -47 | 1W / 4L |
| May 29, 1999 | Golden State OpenTournament · View matches | 1,613 | 1,711 | +98 | 4W / 2L |
| Aug 16, 1998 | San Francisco Summer OpenTournament · View matches | 1,625 | 1,613 | -12+3 / -15 | 1W / 4L |
| May 24, 1998 | Golden State OpenTournament · View matches | 1,647 | 1,625 | -22+0 / -22 | 0W / 2L |
| May 2, 1998 | Cinco De Mayo RRTournament · View matches | 1,666 | 1,647 | -19 | 2W / 1L |
| Feb 15, 1998 | Berkeley TTC President's Day TTournament · View matches | 1,656 | 1,676 | +20+40 / -20 | 1W / 4L |