Wins
15
Indexed tournament wins
Player record
Don Utsumi
Losses
16
Indexed tournament losses
Matches
31
Decisive results
Win rate
48.4%
Across indexed matches
Peak rating
1,376
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Shih, Pearl
Golden State Open · May 30, 2004 · -384 rating
Open →Most frequent opponent
Hackie Honda
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
6 tournament appearances · synced Aug 9, 2026, 4:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 30, 2004 | Golden State OpenTournament · View matches | 1,252 | 1,227 | -25+5 / -30 | 2W / 3L |
| Aug 31, 2003 | Western Open 2003Tournament · View matches | 1,292 | 1,252 | -40 | 2W / 4L |
| Aug 17, 2003 | 2003 S.F. Summer OpenTournament · View matches | 1,349 | 1,292 | -57+0 / -57 | 0W / 2L |
| Aug 18, 2002 | San Francisco Summer OpenTournament · View matches | 1,354 | 1,342 | -12 | 5W / 2L |
| May 26, 2002 | Golden State OpenTournament · View matches | 1,376 | 1,354 | -22+0 / -22 | 3W / 3L |
| Sep 29, 2001 | Sacramento Fall Fun for All OpTournament · View matches · Initial rating 1,376 | Unrated | 1,376 | +2+10 / -8 | 3W / 2L |
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