Player record

Jiann-Jyh Chang

ID 73907TXMaleInactive
Current rating1,472
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Wins

27

Indexed tournament wins

Losses

29

Indexed tournament losses

Matches

56

Decisive results

Win rate

48.2%

Across indexed matches

Peak rating

1,702

Highest rating in the available history.

Biggest upset

Kumar, Aswin

2023 Butterfly Houston Lunar New Year Tournament · Jan 28, 2023 · +443 rating

Open →

Biggest loss

Duynh Hoang

2009 Aliana Open Championships · Aug 9, 2009 · -255 rating

Open →

Most frequent opponent

Alicea, Angel

2 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

11 tournament appearances · synced Aug 11, 2026, 3:03 AM

DateTournamentRating inRating afterPoints changedRecord
Jul 26, 20252025 Butterfly Houston Summer OpenTournament · View matches1,5051,472-33+2 / -353W / 2L
May 17, 20242024 Butterfly Houston Spring Giant Round RobinTournament · View matches1,4631,505+42+44 / -24W / 3L
Feb 18, 20242024 HITTA President's Day TournamentTournament · View matches1,4661,463-3+1 / -42W / 3L
Nov 11, 20232023 Butterfly Texas Fall Open TournamentTournament · View matches1,4611,466+5+10 / -55W / 2L
Jan 28, 20232023 Butterfly Houston Lunar New Year TournamentTournament · View matches1,4121,461+49+50 / -12W / 2L
Feb 19, 2022Butterfly Houston New Year ChallengerTournament · View matches · Initial rating 1,412Unrated1,412—3W / 4L
Aug 9, 20092009 Aliana Open ChampionshipsTournament · View matches1,6901,649-411W / 3L
Aug 10, 20082008 Aliana Open ChampionshipsTournament · View matches1,6921,690-2+4 / -62W / 2L
May 25, 2008SpinathonTournament · View matches1,7021,692-10+8 / -184W / 3L
May 27, 20072007 Spinnathon OpenTournament · View matches1,6951,702+7+7 / 01W / 2L
Mar 25, 20076th FIT Open TT ChampionshipsTournament · View matches · Initial rating 1,695Unrated1,695—0W / 3L