Wins
430
Indexed tournament wins
Player record
Owsiak, Boguslaw
Losses
445
Indexed tournament losses
Matches
875
Decisive results
Win rate
49.1%
Across indexed matches
Peak rating
2,149
Highest rating in the available history.
Biggest upset
Manohar Karthikeyan
America's Team Championship · May 27, 2017 · +322 rating
Open →Biggest loss
Christos Dousmanis
Winter Open · Jan 22, 2011 · -392 rating
Open →Most frequent opponent
Leon Li
18 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
94 tournament appearances · synced Aug 9, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 6, 2007 | No. Kentucky/Cincinnati 2007 OTournament · View matches | 1,904 | 1,982 | +78 | 5W / 6L |
| Apr 29, 2007 | Rockford Spring OpenTournament · View matches | 1,903 | 1,904 | +1+11 / -10 | 6W / 6L |
| Mar 18, 2007 | 42nd St. Joseph Valley OpenTournament · View matches | 1,836 | 1,903 | +67 | 4W / 10L |
| Mar 4, 2007 | The Arnold TT ChampionshipsTournament · View matches | 1,804 | 1,836 | +32+35 / -3 | 4W / 7L |
| Feb 17, 2007 | Chinese New YearTournament · View matches · USATT readjusted 1,798 → 1,801 | 1,798 | 1,804 | +3+21 / -18 | 4W / 2L |
| Dec 30, 2006 | Killerspin Holiday OpenTournament · View matches | 1,841 | 1,798 | -43+0 / -43 | 1W / 12L |
| Dec 9, 2006 | 2006 Shorewood Fall OpenTournament · View matches | 1,896 | 1,841 | -55 | 3W / 4L |
| Nov 19, 2006 | 3rd Annual Highland OpenTournament · View matches · USATT readjusted 1,765 → 1,880 | 1,765 | 1,896 | +16+41 / -25 | 7W / 3L |
| Oct 22, 2006 | Rockford Fall OpenTournament · View matches | 1,666 | 1,765 | +99 | 7W / 9L |
| Oct 7, 2006 | Schaumburg OpenTournament · View matches | 1,642 | 1,666 | +24+34 / -10 | 6W / 1L |
| Aug 12, 2006 | Schaumburg Summer OpenTournament · View matches | 1,641 | 1,642 | +1+1 / 0 | 2W / 4L |
| Feb 11, 2006 | Chinese New Year OpenTournament · View matches | 1,614 | 1,641 | +27+30 / -3 | 2W / 7L |
| Dec 30, 2005 | 2005 Killerspin Holiday OpenTournament · View matches | 1,606 | 1,614 | +8+16 / -8 | 2W / 6L |
| Dec 11, 2005 | Holiday OpenTournament · View matches · Initial rating 1,606 | Unrated | 1,606 | — | 0W / 6L |
81–94 of 94
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