Wins
11
Indexed tournament wins
Player record
David Zhang
Losses
61
Indexed tournament losses
Matches
72
Decisive results
Win rate
15.3%
Across indexed matches
Peak rating
626
Highest rating in the available history.
Biggest upset
Julia Sun
2010 JOOLA N. American Teams · Nov 28, 2010 · +562 rating
Open →Biggest loss
Danielle Holman
2010 Lindenwood March Open · Mar 21, 2010 · -22 rating
Open →Most frequent opponent
Michael Augustine
4 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
10 tournament appearances · synced Aug 26, 2026, 2:28 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 10, 2011 | 2011 St. Peters April OpenTournament · View matches | 626 | 626 | 0+0 / 0 | 0W / 2L |
| Mar 13, 2011 | 2011 Lindenwood March OpenTournament · View matches | 617 | 626 | +9 | 1W / 5L |
| Nov 28, 2010 | 2010 JOOLA N. American TeamsTournament · View matches · USATT readjusted 490 → 559 | 490 | 617 | +58+60 / -2 | 3W / 9L |
| Apr 25, 2010 | 2010 Saint Peters April OpenTournament · View matches | 300 | 490 | +190 | 4W / 7L |
| Mar 21, 2010 | 2010 Lindenwood March OpenTournament · View matches | 284 | 300 | +16 | 1W / 13L |
| Nov 29, 2009 | 2009 JOOLA N. American Teams OTournament · View matches | 284 | 284 | 0+0 / 0 | 0W / 8L |
| Oct 25, 2009 | 2009 Lindenwood October OpenTournament · View matches · USATT readjusted 184 → 234 | 184 | 284 | +50+50 / 0 | 1W / 6L |
| Sep 13, 2009 | St Louis Gateway OpenTournament · View matches | 183 | 184 | +1 | 1W / 5L |
| Jul 19, 2009 | 2009 Lindenwood July OpenTournament · View matches | 194 | 183 | -11 | 0W / 3L |
| Mar 22, 2009 | 2009 Lindenwood March OpenTournament · View matches | Unrated | 194 | — | 0W / 3L |
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