Wins
13
Indexed tournament wins
Player record
Erwin Yu
Losses
17
Indexed tournament losses
Matches
30
Decisive results
Win rate
43.3%
Across indexed matches
Peak rating
1,075
Highest rating in the available history.
Biggest upset
Adam Nathanson
Berkeley Open on the JOOLA NA · Sep 6, 2009 · +261 rating
Open →Biggest loss
Jonathan Lau
2007 JOOLA North American Tour · Oct 21, 2007 · -187 rating
Open →Most frequent opponent
Shivansh Kumar
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
5 tournament appearances · synced Aug 27, 2026, 2:27 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 6, 2009 | ICC California State OpenTournament · View matches | 1,075 | 1,069 | -6+0 / -6 | 0W / 4L |
| Sep 6, 2009 | Berkeley Open on the JOOLA NA Tournament · View matches · USATT readjusted 959 → 1,025 | 959 | 1,075 | +50+50 / 0 | 2W / 2L |
| Mar 22, 2008 | 2008 Western OpenTournament · View matches | 965 | 959 | -6+15 / -21 | 5W / 3L |
| Oct 21, 2007 | 2007 JOOLA North American TourTournament · View matches | 924 | 965 | +41+47 / -6 | 4W / 6L |
| Jul 22, 2007 | ICC Northern CA OpenTournament · View matches · Initial rating 924 | Unrated | 924 | — | 2W / 2L |
1–5 of 5
Page 1 of 1