Wins
82
Indexed tournament wins
Player record
Lee, Sumin
Losses
104
Indexed tournament losses
Matches
186
Decisive results
Win rate
44.1%
Across indexed matches
Peak rating
1,899
Highest rating in the available history.
Biggest upset
Kim, Sean
Hi Winter Open · Nov 9, 2013 · +513 rating
Open →Biggest loss
Yang, Victor
Westchester 2016 July Open · Jul 30, 2016 · -369 rating
Open →Most frequent opponent
Doytcho Doytchev
7 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
27 tournament appearances · synced Aug 7, 2026, 2:14 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 20, 2014 | 2014 HI April OpenTournament · View matches · USATT readjusted 1,288 → 1,343 | 1,288 | 1,392 | +49+56 / -7 | 3W / 6L |
| Mar 16, 2014 | 20th FIT OpenTournament · View matches | 1,290 | 1,288 | -2+16 / -18 | 1W / 4L |
| Feb 16, 2014 | 2014 HI February OpenTournament · View matches | 1,284 | 1,290 | +6+10 / -4 | 1W / 5L |
| Nov 17, 2013 | 19th FIT OpenTournament · View matches · USATT readjusted 1,077 → 1,133 | 1,077 | 1,284 | +151+151 / 0 | 12W / 0L |
| Nov 9, 2013 | Hi Winter OpenTournament · View matches · USATT readjusted 843 → 950 | 843 | 1,077 | +127+130 / -3 | 3W / 5L |
| Sep 15, 2013 | Hi Fall OpenTournament · View matches | 628 | 843 | +215 | 8W / 3L |
| Jun 23, 2013 | Hi Summer OpenTournament · View matches · Initial rating 628 | Unrated | 628 | — | 5W / 2L |
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