Wins
367
Indexed tournament wins
Player record
Nguyen, Quoc Bao
Losses
187
Indexed tournament losses
Matches
554
Decisive results
Win rate
66.2%
Across indexed matches
Peak rating
2,280
Highest rating in the available history.
Biggest upset
Umel Jr, David
San Diego Giant RR & Teams Tournament · Oct 12, 2003 · +254 rating
Open →Biggest loss
Schnabel, Guido
2009 State Games of America · Aug 2, 2009 · -301 rating
Open →Most frequent opponent
Attila Malek
12 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
101 tournament appearances · synced Aug 12, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 16, 1997 | Hawthorne/Northrop OpenTournament · View matches · Initial rating 2,035 | Unrated | 2,035 | 0+6 / -6 | 2W / 1L |
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