Wins
28
Indexed tournament wins
Player record
Sullivan, Sean
Losses
52
Indexed tournament losses
Matches
80
Decisive results
Win rate
35.0%
Across indexed matches
Peak rating
1,392
Highest rating in the available history.
Biggest upset
Cheng, Vincent
Golden Gate Open on the North · Jun 25, 2000 · +490 rating
Open →Biggest loss
Cook, David
Lake Havasu Open · Sep 19, 1999 · -237 rating
Open →Most frequent opponent
Cheng, Vincent
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
9 tournament appearances · synced Aug 9, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 25, 2000 | Golden Gate Open on the North Tournament · View matches · USATT readjusted 1,296 → 1,352 | 1,296 | 1,392 | +40+66 / -26 | 5W / 9L |
| May 20, 2000 | CA State JR. ChampionshipTournament · View matches | 1,294 | 1,296 | +2 | 1W / 4L |
| May 7, 2000 | San Diego Spring OpenTournament · View matches | 1,296 | 1,294 | -2+19 / -21 | 3W / 5L |
| Dec 19, 1999 | US NationalsTournament · View matches | 1,116 | 1,296 | +180 | 7W / 7L |
| Nov 7, 1999 | High Desert OpenTournament · View matches | 1,090 | 1,116 | +26 | 3W / 6L |
| Oct 3, 1999 | San Diego 40th Anniversary OpeTournament · View matches | 1,112 | 1,090 | -22+0 / -22 | 2W / 4L |
| Sep 19, 1999 | Lake Havasu OpenTournament · View matches | 1,150 | 1,117 | -33 | 4W / 8L |
| Sep 12, 1999 | Pacific Coast OpenTournament · View matches | 1,141 | 1,150 | +9 | 3W / 5L |
| Jun 27, 1999 | California State OpenTournament · View matches · Initial rating 1,141 | Unrated | 1,141 | — | 0W / 4L |
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