Wins
13
Indexed tournament wins
Player record
Chang, Yi-Yuan
Losses
21
Indexed tournament losses
Matches
34
Decisive results
Win rate
38.2%
Across indexed matches
Peak rating
1,819
Highest rating in the available history.
Biggest upset
Mathias Koeppen
ACUI Intercollegiate TTT · Apr 15, 2000 · +32 rating
Open →Biggest loss
Salazar, Bart
Joe Bujalski Memorial Open · Jul 10, 1999 · -324 rating
Open →Most frequent opponent
Harold Kasten
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
6 tournament appearances · synced Aug 10, 2026, 2:18 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jul 5, 2008 | U.S. OpenTournament · View matches | 1,735 | 1,727 | -8+0 / -8 | 0W / 4L |
| Apr 29, 2000 | St. Louis Open Team TournamentTournament · View matches | 1,737 | 1,735 | -2+6 / -8 | 2W / 5L |
| Apr 15, 2000 | ACUI Intercollegiate TTTTournament · View matches | 1,744 | 1,737 | -7 | 3W / 5L |
| Aug 9, 1999 | St. Louis Gateway OpenTournament · View matches | 1,755 | 1,744 | -11+2 / -13 | 2W / 1L |
| Jul 10, 1999 | Joe Bujalski Memorial OpenTournament · View matches | 1,819 | 1,755 | -64+0 / -64 | 2W / 5L |
| Apr 24, 1999 | St. Louis Spring OpenTournament · View matches · Initial rating 1,819 | Unrated | 1,819 | 0+4 / -4 | 4W / 1L |
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