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 |
|---|---|---|---|---|---|
| Mar 29, 1997 | Schaumburg 11th Anniversary OpTournament · View matches | 1,841 | 1,844 | +3+33 / -30 | 7W / 3L |
| Jul 27, 1996 | Schaumburg OpenTournament · View matches | 1,911 | 1,841 | -70+0 / -70 | 0W / 2L |
| Jul 7, 1996 | 1996 US OpenTournament · View matches | 1,894 | 1,911 | +17 | 5W / 1L |
| Jun 1, 1996 | Schaumburg OpenTournament · View matches | 1,893 | 1,894 | +1+3 / -2 | 2W / 1L |
| Apr 20, 1996 | STT 10th Anniversary Equality Tournament · View matches | 1,876 | 1,893 | +17+46 / -29 | 8W / 3L |
| Jun 10, 1995 | Schaumburg "No Waiting" RR OpenTournament · View matches | 1,889 | 1,876 | -13+7 / -20 | 3W / 1L |
| Apr 15, 1995 | $1100 Schaumburg 9th AniversaryTournament · View matches | 1,739 | 1,889 | +150 | 7W / 2L |
| Mar 4, 1995 | Rockford March OpenTournament · View matches | 1,727 | 1,739 | +12 | 2W / 6L |
| Feb 11, 1995 | Schaumburg Winter OpenTournament · View matches | 1,698 | 1,727 | +29+54 / -25 | 5W / 4L |
| Dec 17, 1994 | Schaumburg Christmas OpenTournament · View matches | 1,696 | 1,698 | +2+34 / -32 | 3W / 5L |
| Oct 15, 1994 | Schaumburg October OpenTournament · View matches | 1,704 | 1,696 | -8+3 / -11 | 3W / 2L |
| Sep 17, 1994 | Sears/Harvard Sports Table TenTournament · View matches | 1,714 | 1,704 | -10+34 / -44 | 3W / 6L |
| Aug 20, 1994 | Clyde Cauthen Memorial OpenTournament · View matches | 1,752 | 1,714 | -38+13 / -51 | 2W / 7L |
| Jul 16, 1994 | Cathrin "Back to Germany" OpenTournament · View matches · Initial rating 1,752 | Unrated | 1,752 | — | 4W / 3L |
21–34 of 34
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