Wins
258
Indexed tournament wins
Player record
Zhang, Jason
Losses
288
Indexed tournament losses
Matches
546
Decisive results
Win rate
47.3%
Across indexed matches
Peak rating
1,887
Highest rating in the available history.
Biggest upset
Subramanian, Vijay
2014 Wisconsin Closed State Championships · Apr 26, 2014 · +284 rating
Open →Biggest loss
Tettey, Troy
58th St. Joseph Valley Open · Mar 18, 2023 · -577 rating
Open →Most frequent opponent
Bernhard, Michael
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
55 tournament appearances · synced Aug 9, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 17, 2010 | 2010 Wisconsin State ChampionshipTournament · View matches | 1,780 | 1,775 | -5+7 / -12 | 5W / 3L |
| Dec 12, 2009 | 2009 Shorewood Fall OpenTournament · View matches | 1,786 | 1,780 | -6+26 / -32 | 6W / 2L |
| Apr 18, 2009 | 2009 Wisconsin Closed State ChTournament · View matches | 1,783 | 1,786 | +3 | 5W / 3L |
| Sep 21, 2008 | 2008 Badger OpenTournament · View matches | 1,760 | 1,783 | +23+51 / -28 | 7W / 3L |
| Sep 13, 2008 | Sarpino's OpenTournament · View matches | 1,724 | 1,760 | +36+44 / -8 | 6W / 1L |
| Jun 28, 2008 | Schaumburg June OpenTournament · View matches | 1,761 | 1,724 | -37+25 / -62 | 4W / 6L |
| May 17, 2008 | Windy City OpenTournament · View matches | 1,798 | 1,761 | -37+17 / -54 | 3W / 5L |
| Apr 6, 2008 | 2008 Wisconsin Closed State ChampionshipTournament · View matches | 1,819 | 1,798 | -21+0 / -21 | 2W / 2L |
| Feb 16, 2008 | Chinese New Year OpenTournament · View matches | 1,794 | 1,819 | +25+47 / -22 | 5W / 3L |
| Dec 8, 2007 | 2007 Shorewood Fall OpenTournament · View matches | 1,741 | 1,794 | +53+68 / -15 | 3W / 4L |
| Nov 10, 2007 | Schaumburg November OpenTournament · View matches | 1,817 | 1,741 | -76+0 / -76 | 1W / 6L |
| Oct 21, 2007 | Rockford Fall OpenTournament · View matches | 1,816 | 1,817 | +1+12 / -11 | 3W / 2L |
| Jul 14, 2007 | 2007 New Berlin Summer FlingTournament · View matches | 1,846 | 1,816 | -30 | 3W / 4L |
| Apr 14, 2007 | 2007 Wisconsin Closed State ChTournament · View matches | 1,834 | 1,846 | +12+13 / -1 | 4W / 1L |
| Mar 18, 2007 | 42nd St. Joseph Valley OpenTournament · View matches | 1,838 | 1,834 | -4+14 / -18 | 6W / 8L |
| Dec 9, 2006 | 2006 Shorewood Fall OpenTournament · View matches | 1,834 | 1,838 | +4 | 5W / 4L |
| Apr 22, 2006 | 2006 Closed Wisconsin State ChampionshipTournament · View matches | 1,838 | 1,834 | -4+6 / -10 | 4W / 1L |
| Dec 11, 2005 | Holiday OpenTournament · View matches | 1,827 | 1,838 | +11+25 / -14 | 8W / 6L |
| Apr 16, 2005 | Rockford Spring Open 2005Tournament · View matches · USATT readjusted 1,755 → 1,814 | 1,755 | 1,827 | +13+69 / -56 | 6W / 6L |
| Oct 17, 2004 | Highland OpenTournament · View matches | 1,774 | 1,755 | -19+8 / -27 | 5W / 9L |