Wins
149
Indexed tournament wins
Player record
Oh, Ken
Losses
131
Indexed tournament losses
Matches
280
Decisive results
Win rate
53.2%
Across indexed matches
Peak rating
1,940
Highest rating in the available history.
Biggest upset
Zheng, Hsiao
Schaumburg RR Open · Feb 21, 2004 · +221 rating
Open →Biggest loss
Born, Tyler
February Open · Feb 26, 2011 · -358 rating
Open →Most frequent opponent
Andranik Mehrabian
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
38 tournament appearances · synced Aug 8, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 15, 2009 | South Shore Sports/Butterfly OTournament · View matches | 1,767 | 1,784 | +17+34 / -17 | 5W / 3L |
| Oct 18, 2009 | Chicago Slam TTC OpenTournament · View matches | 1,748 | 1,767 | +19+25 / -6 | 5W / 2L |
| Sep 5, 2009 | Labor Day OpenTournament · View matches | 1,745 | 1,748 | +3 | 3W / 1L |
| Jul 25, 2009 | Hot Summer OpenTournament · View matches · USATT readjusted 1,736 → 1,742 | 1,736 | 1,745 | +3+24 / -21 | 5W / 2L |
| May 9, 2009 | Windy City OpenTournament · View matches | 1,702 | 1,736 | +34+52 / -18 | 4W / 3L |
| Dec 29, 2008 | SPINvitationalTournament · View matches | 1,737 | 1,702 | -35+3 / -38 | 5W / 3L |
| Nov 19, 2005 | Schaumburg Fall OpenTournament · View matches | 1,717 | 1,737 | +20+43 / -23 | 3W / 4L |
| Apr 10, 2005 | Killerspin RR Spring Open 2005Tournament · View matches | 1,717 | 1,717 | 0+54 / -54 | 4W / 4L |
| Feb 26, 2005 | Schaumburg February OpenTournament · View matches | 1,760 | 1,717 | -43+9 / -52 | 3W / 4L |
| Dec 18, 2004 | Schaumburg Christmas OpenTournament · View matches | 1,771 | 1,760 | -11+3 / -14 | 4W / 4L |
| Nov 20, 2004 | Highland Giant Round RobinTournament · View matches | 1,767 | 1,771 | +4+24 / -20 | 8W / 1L |
| Oct 17, 2004 | Highland OpenTournament · View matches | 1,787 | 1,767 | -20+5 / -25 | 3W / 2L |
| Aug 7, 2004 | Schaumburg OpenTournament · View matches | 1,790 | 1,787 | -3+0 / -3 | 0W / 6L |
| Jun 26, 2004 | Schaumburg US Open Tune-up RR Tournament · View matches | 1,780 | 1,790 | +10+20 / -10 | 6W / 3L |
| Apr 17, 2004 | Rockford Spring OpenTournament · View matches | 1,733 | 1,780 | +47 | 3W / 2L |
| Mar 27, 2004 | Glenview March Round RobinTournament · View matches | 1,749 | 1,733 | -16+0 / -16 | 0W / 7L |
| Feb 21, 2004 | Schaumburg RR OpenTournament · View matches | 1,754 | 1,749 | -5 | 2W / 10L |
| Dec 29, 2003 | Killerspin Open 2003Tournament · View matches · Initial rating 1,754 | Unrated | 1,754 | — | 3W / 3L |
21–38 of 38
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