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 |
|---|---|---|---|---|---|
| Oct 8, 2005 | Maine Fall OpenTournament · View matches | 1,933 | 1,915 | -18+0 / -18 | 5W / 2L |
| Sep 18, 2005 | Framingham TTC September OpenTournament · View matches | 1,924 | 1,933 | +9 | 3W / 2L |
| May 15, 2005 | Framingham TTC May OpenTournament · View matches | 1,897 | 1,924 | +27 | 9W / 2L |
| May 7, 2005 | Maine Spring OpenTournament · View matches | 1,910 | 1,897 | -13+11 / -24 | 7W / 2L |
| Jan 16, 2005 | Framingham TTC January OpenTournament · View matches | 1,883 | 1,910 | +27+29 / -2 | 7W / 2L |
| Dec 18, 2004 | 2004 USA Nationals ChampionshipTournament · View matches | 1,898 | 1,883 | -15 | 7W / 9L |
| Nov 28, 2004 | 2004 N. American Teams Open TTTournament · View matches | 1,899 | 1,898 | -1 | 6W / 16L |
| Oct 23, 2004 | Maine Fall OpenTournament · View matches | 1,886 | 1,899 | +13+13 / 0 | 7W / 1L |
| May 23, 2004 | Framingham TTC May OpenTournament · View matches | 1,879 | 1,886 | +7+10 / -3 | 3W / 2L |
| Feb 15, 2004 | New Hampshire RR OpenTournament · View matches | 1,855 | 1,879 | +24+40 / -16 | 8W / 2L |
| Feb 8, 2004 | New England Winter ClassicTournament · View matches | 1,890 | 1,855 | -35+4 / -39 | 6W / 3L |
| Jan 25, 2004 | Framingham TTC January OpenTournament · View matches | 1,902 | 1,890 | -12+14 / -26 | 4W / 3L |
| Dec 29, 2003 | Killerspin Open 2003Tournament · View matches | 1,791 | 1,902 | +111 | 10W / 7L |
| Dec 20, 2003 | 2003 USA TT National ChampionshipTournament · View matches | 1,800 | 1,791 | -9 | 6W / 8L |
| Dec 14, 2003 | Framingham TTC December OpenTournament · View matches | 1,850 | 1,800 | -50+4 / -54 | 9W / 5L |
| Oct 5, 2003 | Framingham TTC October 2003 OpenTournament · View matches | 1,884 | 1,850 | -34 | 5W / 5L |
| May 4, 2003 | Boston TTC May Giant RRTournament · View matches | 1,845 | 1,884 | +39+45 / -6 | 6W / 1L |
| Mar 22, 2003 | New England Spring ClassicTournament · View matches | 1,895 | 1,845 | -50+7 / -57 | 3W / 4L |
| Mar 2, 2003 | Boston TTC March OpenTournament · View matches · USATT readjusted 1,797 → 1,865 | 1,797 | 1,895 | +30+44 / -14 | 8W / 4L |
| Jan 26, 2003 | Boston TTC January OpenTournament · View matches | 1,811 | 1,797 | -14+5 / -19 | 2W / 5L |