Wins
585
Indexed tournament wins
Player record
Jiawen (john) Bian
Losses
390
Indexed tournament losses
Matches
975
Decisive results
Win rate
60.0%
Across indexed matches
Peak rating
2,124
Highest rating in the available history.
Biggest upset
Dennis S. Cobb Sr
SPINvitational · Dec 29, 2008 · +261 rating
Open →Biggest loss
Lee, Say
2009 Badger Open · Sep 20, 2009 · -379 rating
Open →Most frequent opponent
JORGE VANEGAS
12 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
114 tournament appearances · synced Aug 9, 2026, 4:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 15, 2016 | 2016 Aurora CupTournament · View matches | 2,124 | 2,095 | -29+3 / -32 | 4W / 2L |
| Jan 22, 2011 | Winter OpenTournament · View matches | 2,117 | 2,124 | +7+18 / -11 | 8W / 2L |
| Dec 11, 2010 | Morton Grove Winter OpenTournament · View matches | 2,117 | 2,117 | 0+12 / -12 | 5W / 2L |
| Nov 6, 2010 | Fall OpenTournament · View matches · USATT readjusted 2,117 → 2,116 | 2,117 | 2,117 | +1+15 / -14 | 7W / 2L |
| Oct 17, 2010 | Rockford Fall OpenTournament · View matches | 2,117 | 2,117 | 0+8 / -8 | 4W / 2L |
| Sep 19, 2010 | 2010 Badger OpenTournament · View matches | 2,121 | 2,117 | -4+3 / -7 | 4W / 1L |
| Jul 31, 2010 | Schaumburg Summer OpenTournament · View matches | 2,086 | 2,121 | +35+35 / 0 | 8W / 0L |
| Jul 3, 2010 | 2010 US OpenTournament · View matches | 2,121 | 2,086 | -35+4 / -39 | 4W / 6L |
| May 8, 2010 | Schaumburg Spring OpenTournament · View matches | 2,108 | 2,121 | +13+20 / -7 | 4W / 2L |
| Apr 18, 2010 | Rockford Spring OpenTournament · View matches | 2,073 | 2,108 | +35+39 / -4 | 6W / 2L |
| Mar 13, 2010 | Year of the Tiger OpenTournament · View matches | 2,079 | 2,073 | -6+15 / -21 | 5W / 2L |
| Jan 23, 2010 | Schaumburg January OpenTournament · View matches | 2,104 | 2,079 | -25+0 / -25 | 0W / 6L |
| Sep 20, 2009 | 2009 Badger OpenTournament · View matches | 2,080 | 2,104 | +24+72 / -48 | 12W / 4L |
| Sep 5, 2009 | Labor Day OpenTournament · View matches | 2,052 | 2,080 | +28+29 / -1 | 8W / 1L |
| Jul 25, 2009 | Hot Summer OpenTournament · View matches | 2,054 | 2,052 | -2+12 / -14 | 3W / 4L |
| May 25, 2009 | 2009 Rochester Team ChallengeTournament · View matches | 2,087 | 2,054 | -33+32 / -65 | 10W / 7L |
| May 9, 2009 | Windy City OpenTournament · View matches | 2,072 | 2,087 | +15+21 / -6 | 3W / 3L |
| Mar 29, 2009 | 45th RoboPong St Joe Valley OpenTournament · View matches | 2,061 | 2,072 | +11+18 / -7 | 6W / 3L |
| Jan 24, 2009 | Chinese New Year OpenTournament · View matches | 2,096 | 2,061 | -35+0 / -35 | 0W / 5L |
| Dec 29, 2008 | SPINvitationalTournament · View matches | 1,936 | 2,096 | +160 | 14W / 6L |