Wins
20
Indexed tournament wins
Player record
Yonehiro, Guy K.
Losses
8
Indexed tournament losses
Matches
28
Decisive results
Win rate
71.4%
Across indexed matches
Peak rating
1,596
Highest rating in the available history.
Biggest upset
Fredrickson, Harold
US Nationals · Dec 18, 1994 · +249 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Davis, Wil
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 9, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 18, 1995 | USATT National ChampionshipsTournament · View matches | 1,520 | 1,596 | +76 | 9W / 6L |
| Dec 18, 1994 | US NationalsTournament · View matches | 1,252 | 1,520 | +268 | 11W / 2L |
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