Wins
391
Indexed tournament wins
Player record
Slawomir Marczak
Losses
248
Indexed tournament losses
Matches
639
Decisive results
Win rate
61.2%
Across indexed matches
Peak rating
2,005
Highest rating in the available history.
Biggest upset
Wang, Yin
2008 Gate City Open · Apr 6, 2008 · +376 rating
Open →Biggest loss
Bakir, Ozjan
Quincy July Open · Jul 27, 2008 · -627 rating
Open →Most frequent opponent
Baylies, Michael
13 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
72 tournament appearances · synced Aug 11, 2026, 4:11 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 16, 2008 | Quincy March OpenTournament · View matches | 1,872 | 1,844 | -28+8 / -36 | 5W / 4L |
| Oct 7, 2007 | 2007 Nashua TTC OpenTournament · View matches | 1,862 | 1,872 | +10 | 7W / 3L |
| Jun 17, 2007 | Framingham TTC June OpenTournament · View matches | 1,857 | 1,862 | +5 | 5W / 3L |
| May 20, 2007 | Framingham TTC May OpenTournament · View matches | 1,824 | 1,857 | +33 | 9W / 1L |
| May 5, 2007 | Maine TT League Spring OpenTournament · View matches | 1,880 | 1,824 | -56+5 / -61 | 8W / 3L |
| Mar 11, 2007 | 2007 Gate City OpenTournament · View matches | 1,863 | 1,880 | +17+19 / -2 | 4W / 6L |
| Dec 16, 2006 | U.S. National ChampionshipsTournament · View matches | 1,897 | 1,863 | -34+7 / -41 | 4W / 4L |
| Nov 19, 2006 | 5th FIT Open TT ChampionshipsTournament · View matches | 1,930 | 1,897 | -33+8 / -41 | 2W / 7L |
| Aug 13, 2006 | Framingham TTC August OpenTournament · View matches | 1,933 | 1,930 | -3 | 8W / 2L |
| Jun 18, 2006 | 2006 New Jersey OpenTournament · View matches | 1,936 | 1,933 | -3+19 / -22 | 7W / 5L |
| May 21, 2006 | 7th Garden State OpenTournament · View matches | 1,953 | 1,936 | -17+14 / -31 | 4W / 10L |
| May 6, 2006 | Maine Spring OpenTournament · View matches | 1,966 | 1,953 | -13+0 / -13 | 7W / 1L |
| Apr 2, 2006 | Rhode Island OpenTournament · View matches | 1,951 | 1,966 | +15+15 / 0 | 7W / 0L |
| Mar 12, 2006 | Framingham TTC March OpenTournament · View matches | 2,005 | 1,951 | -54+3 / -57 | 3W / 3L |
| Mar 12, 2006 | 4th FIT Open TT ChampionshipsTournament · View matches · USATT readjusted 1,902 → 1,957 | 1,902 | 2,005 | +48+53 / -5 | 4W / 2L |
| Feb 19, 2006 | New Hampshire RR OpenTournament · View matches | 1,891 | 1,902 | +11+35 / -24 | 6W / 2L |
| Jan 16, 2006 | Baystate Giant RRTournament · View matches | 1,904 | 1,891 | -13+6 / -19 | 1W / 7L |
| Dec 17, 2005 | 2005 US Nationals ChampionshipTournament · View matches | 1,929 | 1,904 | -25+5 / -30 | 5W / 3L |
| Dec 3, 2005 | Galina Cup TT ChampionshipsTournament · View matches | 1,917 | 1,929 | +12+17 / -5 | 7W / 2L |
| Nov 13, 2005 | Framingham November OpenTournament · View matches | 1,915 | 1,917 | +2+7 / -5 | 5W / 1L |