Wins
456
Indexed tournament wins
Player record
Chu, Isabel
Losses
460
Indexed tournament losses
Matches
916
Decisive results
Win rate
49.8%
Across indexed matches
Peak rating
2,326
Highest rating in the available history.
Biggest upset
Reder, Gabriel
Alameda Open · Jul 26, 2009 · +485 rating
Open →Biggest loss
Nathanson, Adam
Sacramento Summer Open · Aug 22, 2009 · -765 rating
Open →Most frequent opponent
Jiang, Diane
19 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
80 tournament appearances · synced Aug 9, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 20, 2010 | 2010 Western Open on the JOOLA NA TourTournament · View matches | 1,622 | 1,627 | +5+63 / -58 | 10W / 3L |
| Feb 14, 2010 | Year of the Tiger OpenTournament · View matches | 1,622 | 1,622 | 0+0 / 0 | 0W / 2L |
| Dec 19, 2009 | 2009 US NationalsTournament · View matches | 1,632 | 1,622 | -10+63 / -73 | 11W / 9L |
| Dec 6, 2009 | ICC California State OpenTournament · View matches · USATT readjusted 1,421 → 1,600 | 1,421 | 1,632 | +32+50 / -18 | 13W / 5L |
| Oct 25, 2009 | Concord Youth CupTournament · View matches | 1,484 | 1,421 | -63+1 / -64 | 5W / 4L |
| Sep 6, 2009 | Berkeley Open on the JOOLA NA Tournament · View matches | 1,546 | 1,484 | -62 | 11W / 10L |
| Aug 22, 2009 | Sacramento Summer OpenTournament · View matches | 1,736 | 1,546 | -190+2 / -192 | 3W / 10L |
| Jul 26, 2009 | Alameda OpenTournament · View matches | 1,558 | 1,736 | +178 | 8W / 11L |
| Jul 4, 2009 | US Open TT ChampionshipTournament · View matches | 1,450 | 1,558 | +108 | 13W / 7L |
| May 24, 2009 | Golden State OpenTournament · View matches | 1,413 | 1,450 | +37 | 9W / 10L |
| May 10, 2009 | ICC California State OpenTournament · View matches | 1,414 | 1,413 | -1 | 13W / 9L |
| Apr 26, 2009 | 2009 San Diego OpenTournament · View matches | 1,206 | 1,414 | +208 | 12W / 7L |
| Feb 22, 2009 | Western Open on the JOOLA NA TourTournament · View matches | 1,211 | 1,206 | -5+2 / -7 | 3W / 1L |
| Dec 20, 2008 | USATT Nationals ChampionshipsTournament · View matches | 1,191 | 1,211 | +20+24 / -4 | 4W / 5L |
| Dec 6, 2008 | ICC California State OpenTournament · View matches | 1,201 | 1,191 | -10+0 / -10 | 3W / 6L |
| Oct 26, 2008 | Concord Cup Youth OpenTournament · View matches | 1,195 | 1,201 | +6+13 / -7 | 2W / 3L |
| Oct 11, 2008 | 1st Annual Gold Country OpenTournament · View matches | 1,216 | 1,195 | -21+4 / -25 | 5W / 6L |
| Aug 31, 2008 | 2008 Life West OpenTournament · View matches | 1,109 | 1,216 | +107 | 14W / 13L |
| Jul 5, 2008 | U.S. OpenTournament · View matches | 838 | 1,109 | +271 | 9W / 10L |
| May 31, 2008 | Sacramento Spring OpenTournament · View matches | 874 | 838 | -36 | 4W / 6L |