Wins
19
Indexed tournament wins
Player record
Joseph Woo
Losses
22
Indexed tournament losses
Matches
41
Decisive results
Win rate
46.3%
Across indexed matches
Peak rating
1,498
Highest rating in the available history.
Biggest upset
Sam Chan
2007 JOOLA North American Tour · Oct 21, 2007 · +195 rating
Open →Biggest loss
Jerome Yan
Newgy Northern California Fall · Oct 5, 2008 · -412 rating
Open →Most frequent opponent
Mathew Averbukh
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
9 tournament appearances · synced Aug 26, 2026, 2:25 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 30, 2010 | Golden State OpenTournament · View matches | 1,498 | 1,478 | -20+0 / -20 | 0W / 1L |
| Feb 28, 2010 | ICC CA State OpenTournament · View matches | 1,496 | 1,498 | +2+5 / -3 | 2W / 1L |
| May 24, 2009 | Golden State OpenTournament · View matches | 1,496 | 1,496 | 0+0 / 0 | 0W / 2L |
| Mar 1, 2009 | ICC California State OpenTournament · View matches | 1,475 | 1,496 | +21+28 / -7 | 3W / 3L |
| Feb 22, 2009 | Western Open on the JOOLA NA TourTournament · View matches | 1,429 | 1,475 | +46+47 / -1 | 3W / 3L |
| Oct 5, 2008 | Newgy Northern California FallTournament · View matches | 1,473 | 1,429 | -44+0 / -44 | 1W / 4L |
| Mar 22, 2008 | 2008 Western OpenTournament · View matches · USATT readjusted 1,390 → 1,444 | 1,390 | 1,473 | +29+32 / -3 | 3W / 3L |
| Oct 21, 2007 | 2007 JOOLA North American TourTournament · View matches | 1,341 | 1,390 | +49+53 / -4 | 4W / 3L |
| Sep 16, 2007 | 2007 Berkeley OpenTournament · View matches · Initial rating 1,341 | Unrated | 1,341 | +8+16 / -8 | 3W / 2L |
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