Wins
18
Indexed tournament wins
Player record
O'Brien, Sean
Losses
16
Indexed tournament losses
Matches
34
Decisive results
Win rate
52.9%
Across indexed matches
Peak rating
1,382
Highest rating in the available history.
Biggest upset
Wong, Chung
New England Spring Classic · Mar 22, 2003 · +157 rating
Open →Biggest loss
Lawrence Selvin
New England Summer Classic · Jun 21, 2003 · -42 rating
Open →Most frequent opponent
Alexson, Daniel
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
5 tournament appearances · synced Aug 11, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 3, 2005 | Galina Cup TT ChampionshipsTournament · View matches | 1,353 | 1,382 | +29 | 3W / 3L |
| Jun 6, 2004 | New England Spring ClassicTournament · View matches | 1,330 | 1,353 | +23+23 / 0 | 5W / 5L |
| Jun 21, 2003 | New England Summer ClassicTournament · View matches | 1,336 | 1,330 | -6+7 / -13 | 3W / 3L |
| Mar 22, 2003 | New England Spring ClassicTournament · View matches | 1,300 | 1,336 | +36 | 4W / 4L |
| Nov 9, 2002 | New England Fall ClassicTournament · View matches · Initial rating 1,300 | Unrated | 1,300 | — | 3W / 1L |
1–5 of 5
Page 1 of 1