Wins
6
Indexed tournament wins
Player record
Duvall, Toko
Losses
12
Indexed tournament losses
Matches
18
Decisive results
Win rate
33.3%
Across indexed matches
Peak rating
987
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Ou, Jasper
2011 US Nationals · Dec 17, 2011 · -111 rating
Open →Most frequent opponent
Ann Alvarez
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 9, 2026, 2:28 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 17, 2011 | 2011 US NationalsTournament · View matches | 987 | 977 | -10 | 3W / 6L |
| Apr 29, 2006 | Virginia OpenTournament · View matches | 978 | 987 | +9 | 3W / 3L |
| Mar 12, 2005 | Virginia OpenTournament · View matches · Initial rating 978 | Unrated | 978 | — | 0W / 3L |
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