Wins
34
Indexed tournament wins
Player record
Jonathan Chang
Losses
83
Indexed tournament losses
Matches
117
Decisive results
Win rate
29.1%
Across indexed matches
Peak rating
1,411
Highest rating in the available history.
Biggest upset
Naqvi, Syed
LATTA Butterfly October Open · Oct 26, 2024 · +360 rating
Open →Biggest loss
Aarav Rane
OCTTA Butterfly Spring Open 2025 · Feb 15, 2025 · -1000 rating
Open →Most frequent opponent
Angus Wang
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
24 tournament appearances · synced Aug 8, 2026, 8:48 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 28, 2026 | LATTA Butterfly March Open 2026Tournament · View matches | 1,211 | 1,204 | -7+0 / -7 | 0W / 5L |
| Feb 28, 2026 | LATTA Butterfly February OpenOther Sanctioned Tournaments · View matches | 1,226 | 1,211 | -15+6 / -21 | 2W / 4L |
| Sep 20, 2025 | LATTA BUTTERFLY SEPTEMBER OPEN 2025Tournament · View matches | 1,234 | 1,226 | -8+0 / -8 | 0W / 2L |
| Jun 14, 2025 | LATTA Butterfly June Open 2025Tournament · View matches | 1,251 | 1,234 | -17+4 / -21 | 2W / 4L |
| Mar 29, 2025 | LATTA Butterfly March Open 2025Tournament · View matches | 1,264 | 1,251 | -13+0 / -13 | 0W / 5L |
| Feb 15, 2025 | OCTTA Butterfly Spring Open 2025Tournament · View matches | 1,324 | 1,264 | -60+0 / -60 | 0W / 2L |
| Jan 25, 2025 | LATTA January Open 2025Tournament · View matches | 1,325 | 1,324 | -1+3 / -4 | 1W / 4L |
| Dec 7, 2024 | Dr Calvin Yang Butterfly OpenTournament · View matches | 1,333 | 1,325 | -8+0 / -8 | 1W / 2L |
| Nov 23, 2024 | LATTA Butterfly November OpenTournament · View matches | 1,334 | 1,333 | -1+3 / -4 | 3W / 3L |
| Oct 26, 2024 | LATTA Butterfly October OpenTournament · View matches | 1,290 | 1,334 | +44+51 / -7 | 2W / 3L |
| Sep 28, 2024 | LATTA Butterfly September OpenTournament · View matches | 1,268 | 1,290 | +22+24 / -2 | 2W / 5L |
| Aug 24, 2024 | LATTA Butterfly August OpenTournament · View matches | 1,255 | 1,268 | +13+13 / 0 | 2W / 3L |
| Jul 20, 2024 | LATTA Butterfly July OpenTournament · View matches | 1,265 | 1,255 | -10 | 1W / 5L |
| Oct 27, 2018 | Sacramento Fall Fun For All OpenTournament · View matches | 1,212 | 1,265 | +53+55 / -2 | 2W / 5L |
| Dec 8, 2013 | ICC CA State OpenTournament · View matches | 1,268 | 1,212 | -56+0 / -56 | 1W / 5L |
| Sep 8, 2013 | 2013 Berkeley Open on JOOLA North America TourTournament · View matches | 1,255 | 1,268 | +13+23 / -10 | 3W / 2L |
| May 29, 2011 | Golden State OpenTournament · View matches | 1,278 | 1,255 | -23+30 / -53 | 1W / 5L |
| May 30, 2010 | Golden State OpenTournament · View matches | 1,232 | 1,278 | +46+50 / -4 | 2W / 2L |
| Sep 6, 2009 | Berkeley Open on the JOOLA NA Tournament · View matches | 1,324 | 1,232 | -92 | 2W / 4L |
| Oct 5, 2008 | Newgy Northern California FallTournament · View matches | 1,343 | 1,324 | -19+1 / -20 | 2W / 2L |
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