Wins
18
Indexed tournament wins
Player record
Choi, Changhyeon
Losses
24
Indexed tournament losses
Matches
42
Decisive results
Win rate
42.9%
Across indexed matches
Peak rating
1,253
Highest rating in the available history.
Biggest upset
Dunn, Arthur
2014 HI February Open · Feb 16, 2014 · +494 rating
Open →Biggest loss
Hwang, Ji-Yun
Hi Winter Open · Nov 9, 2013 · -50 rating
Open →Most frequent opponent
Dunn, Arthur
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
7 tournament appearances · synced Aug 8, 2026, 2:19 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 16, 2015 | 2015 HI August OpenTournament · View matches | 1,253 | 1,251 | -2+0 / -2 | 1W / 3L |
| Jun 7, 2015 | 2015 HI June OpenTournament · View matches | 958 | 1,253 | +295 | 3W / 1L |
| Mar 8, 2015 | 2015 HI March OpenTournament · View matches · USATT readjusted 895 → 958 | 895 | 1,004 | +46+47 / -1 | 2W / 2L |
| Aug 3, 2014 | 2014 HI August Open (22)Tournament · View matches | 898 | 895 | -3+0 / -3 | 0W / 8L |
| Feb 16, 2014 | 2014 HI February OpenTournament · View matches | 554 | 898 | +344 | 10W / 5L |
| Nov 9, 2013 | Hi Winter OpenTournament · View matches | 517 | 554 | +37+50 / -13 | 2W / 1L |
| Sep 15, 2013 | Hi Fall OpenTournament · View matches · Initial rating 517 | Unrated | 517 | — | 0W / 4L |
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