Wins
8
Indexed tournament wins
Player record
Yun, Mark
Losses
23
Indexed tournament losses
Matches
31
Decisive results
Win rate
25.8%
Across indexed matches
Peak rating
1,358
Highest rating in the available history.
Biggest upset
Ed Molenda
Schaumburg Open · Aug 23, 2003 · +24 rating
Open →Biggest loss
Jeff Schiff
Schaumburg Open · Jun 21, 2003 · -240 rating
Open →Most frequent opponent
Aleksey Pelekh
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
4 tournament appearances · synced Aug 8, 2026, 2:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 23, 2003 | Schaumburg OpenTournament · View matches | 1,232 | 1,210 | -22+18 / -40 | 2W / 7L |
| Jun 21, 2003 | Schaumburg OpenTournament · View matches | 1,306 | 1,232 | -74+8 / -82 | 4W / 4L |
| Apr 5, 2003 | STTC 17th Anniversary RR OpenTournament · View matches | 1,358 | 1,306 | -52+0 / -52 | 1W / 10L |
| Feb 22, 2003 | Schaumburg OpenTournament · View matches · Initial rating 1,358 | Unrated | 1,358 | 0+13 / -13 | 1W / 2L |
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