Wins
116
Indexed tournament wins
Player record
Piekosz, Waclaw
Losses
101
Indexed tournament losses
Matches
217
Decisive results
Win rate
53.5%
Across indexed matches
Peak rating
1,937
Highest rating in the available history.
Biggest upset
Nordby, Mark
Schaumburg Christmas RR Open · Dec 13, 1997 · +256 rating
Open →Biggest loss
Greenberg, Marty
Schaumburg Open · Jul 27, 1996 · -539 rating
Open →Most frequent opponent
Robert Douglass
11 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
34 tournament appearances · synced Aug 12, 2026, 2:19 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 23, 2010 | Schaumburg January OpenTournament · View matches | 1,818 | 1,851 | +33+43 / -10 | 6W / 1L |
| Dec 12, 2009 | 2009 Shorewood Fall OpenTournament · View matches | 1,835 | 1,818 | -17+21 / -38 | 2W / 6L |
| Nov 15, 2009 | South Shore Sports/Butterfly OTournament · View matches | 1,845 | 1,835 | -10+3 / -13 | 2W / 1L |
| Oct 18, 2009 | Chicago Slam TTC OpenTournament · View matches | 1,875 | 1,845 | -30+0 / -30 | 0W / 2L |
| May 9, 2009 | Windy City OpenTournament · View matches | 1,856 | 1,875 | +19+36 / -17 | 2W / 4L |
| Mar 14, 2009 | Schaumburg Spring OpenTournament · View matches · USATT readjusted 1,872 → 1,877 | 1,872 | 1,856 | -21+5 / -26 | 1W / 2L |
| Jan 24, 2009 | Chinese New Year OpenTournament · View matches | 1,848 | 1,872 | +24+32 / -8 | 5W / 1L |
| Nov 8, 2008 | Schaumburg TTC Fall OpenTournament · View matches | 1,867 | 1,848 | -19+10 / -29 | 1W / 6L |
| Oct 26, 2008 | Killerspin/Chicago Slam TT OpenTournament · View matches | 1,881 | 1,867 | -14+9 / -23 | 5W / 2L |
| Mar 29, 2008 | Schaumburg TTC Spring OpenTournament · View matches | 1,882 | 1,881 | -1+12 / -13 | 5W / 2L |
| Dec 30, 2007 | Killerspin Holiday OpenTournament · View matches | 1,908 | 1,882 | -26+14 / -40 | 4W / 3L |
| Dec 8, 2007 | 2007 Shorewood Fall OpenTournament · View matches · USATT readjusted 1,745 → 1,876 | 1,745 | 1,908 | +32+45 / -13 | 6W / 1L |
| Nov 18, 2007 | Highland OpenTournament · View matches | 1,750 | 1,745 | -5+8 / -13 | 2W / 1L |
| Nov 10, 2007 | Schaumburg November OpenTournament · View matches | 1,808 | 1,750 | -58+0 / -58 | 0W / 3L |
| Jun 16, 2001 | Schaumburg OpenTournament · View matches | 1,826 | 1,808 | -18+13 / -31 | 1W / 4L |
| Feb 21, 1998 | Schaumburg $1110 February OpenTournament · View matches | 1,871 | 1,826 | -45 | 3W / 3L |
| Jan 17, 1998 | Schaumburg $1000 January OpenTournament · View matches | 1,937 | 1,871 | -66+2 / -68 | 3W / 3L |
| Dec 13, 1997 | Schaumburg Christmas RR OpenTournament · View matches · USATT readjusted 1,851 → 1,912 | 1,851 | 1,937 | +25+72 / -47 | 5W / 7L |
| Jun 28, 1997 | Schaumburg RR OpenTournament · View matches | 1,837 | 1,851 | +14+33 / -19 | 6W / 2L |
| May 31, 1997 | Schaumburg OpenTournament · View matches | 1,844 | 1,837 | -7 | 3W / 1L |
1–20 of 34
Page 1 of 2Next