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 8, 2026, 2:14 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 5, 2009 | Labor Day OpenTournament · View matches | 2,021 | 2,026 | +5+12 / -7 | 5W / 2L |
| Jul 25, 2009 | Hot Summer OpenTournament · View matches | 2,055 | 2,021 | -34+10 / -44 | 2W / 5L |
| May 25, 2009 | 2009 Rochester Team ChallengeTournament · View matches | 1,952 | 2,055 | +103 | 8W / 9L |
| May 9, 2009 | Windy City OpenTournament · View matches | 1,948 | 1,952 | +4+27 / -23 | 4W / 2L |
| May 3, 2009 | Northern KY RoboPong Spring OpTournament · View matches | 1,976 | 1,948 | -28+14 / -42 | 6W / 10L |
| Apr 25, 2009 | Rockford Spring OpenTournament · View matches | 1,958 | 1,976 | +18+35 / -17 | 12W / 5L |
| Apr 5, 2009 | Chicago Slam TTC OpenTournament · View matches | 1,941 | 1,958 | +17+19 / -2 | 5W / 2L |
| Mar 29, 2009 | 45th RoboPong St Joe Valley OpenTournament · View matches | 2,002 | 1,941 | -61+12 / -73 | 2W / 7L |
| Mar 22, 2009 | 2009 Butterfly Cary Cup ChampionshipTournament · View matches | 2,052 | 2,002 | -50+0 / -50 | 1W / 2L |
| Mar 14, 2009 | Schaumburg Spring OpenTournament · View matches | 2,073 | 2,052 | -21+10 / -31 | 6W / 2L |
| Mar 6, 2009 | Killerspin Arnold ChallengeTournament · View matches | 2,057 | 2,073 | +16 | 12W / 4L |
| Jan 24, 2009 | Chinese New Year OpenTournament · View matches | 2,069 | 2,057 | -12+16 / -28 | 1W / 5L |
| Dec 29, 2008 | SPINvitationalTournament · View matches | 2,021 | 2,069 | +48+64 / -16 | 9W / 3L |
| Nov 30, 2008 | 2008 JOOLA American Teams OpenTournament · View matches | 2,022 | 2,021 | -1 | 10W / 7L |
| Nov 16, 2008 | Butterfly/South Shore Sports OpenTournament · View matches | 1,979 | 2,022 | +43 | 5W / 4L |
| Nov 8, 2008 | Schaumburg TTC Fall OpenTournament · View matches | 1,942 | 1,979 | +37+44 / -7 | 6W / 1L |
| Oct 26, 2008 | Killerspin/Chicago Slam TT OpenTournament · View matches | 1,914 | 1,942 | +28+42 / -14 | 3W / 2L |
| Oct 5, 2008 | Rockford Fall OpenTournament · View matches | 1,899 | 1,914 | +15+66 / -51 | 6W / 7L |
| Sep 21, 2008 | 2008 Badger OpenTournament · View matches | 1,904 | 1,899 | -5 | 7W / 4L |
| Sep 13, 2008 | Sarpino's OpenTournament · View matches · USATT readjusted 1,917 → 1,921 | 1,917 | 1,904 | -17+21 / -38 | 5W / 2L |