Wins
4
Indexed tournament wins
Player record
Chia, Jonathan
Losses
29
Indexed tournament losses
Matches
33
Decisive results
Win rate
12.1%
Across indexed matches
Peak rating
298
Highest rating in the available history.
Biggest upset
Chu, Nathaniel
2006 Golden State Open · May 28, 2006 · +193 rating
Open →Biggest loss
Wahlman, Karina
Sacramento Summer Open · Jul 22, 2006 · -54 rating
Open →Most frequent opponent
Kwong, David
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
6 tournament appearances · synced Aug 9, 2026, 2:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 5, 2006 | Concord Cup Youth OpenTournament · View matches | 267 | 265 | -2+6 / -8 | 1W / 5L |
| Jul 22, 2006 | Sacramento Summer OpenTournament · View matches | 298 | 267 | -31+0 / -31 | 0W / 4L |
| May 28, 2006 | 2006 Golden State OpenTournament · View matches | 154 | 298 | +144 | 3W / 4L |
| Feb 11, 2006 | Sacramento Winter OpenTournament · View matches | 171 | 154 | -17+0 / -17 | 0W / 4L |
| Oct 2, 2005 | 2005 Concord Cup Youth OpenTournament · View matches | 185 | 171 | -14 | 0W / 6L |
| Oct 24, 2004 | Concord Cup Youth TT TournamentTournament · View matches | Unrated | 185 | — | 0W / 6L |
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