Wins
457
Indexed tournament wins
Player record
Jacek Wisniewski
Losses
568
Indexed tournament losses
Matches
1,025
Decisive results
Win rate
44.6%
Across indexed matches
Peak rating
1,898
Highest rating in the available history.
Biggest upset
Thomas Scanlan
Joe Bujalski Memorial Open · Jul 10, 1999 · +506 rating
Open →Biggest loss
Riley, Eric
Three Rivers TTC Fall Tournament · Nov 4, 2000 · -534 rating
Open →Most frequent opponent
Tomasz Jablonski
12 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
104 tournament appearances · synced Aug 10, 2026, 4:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 26, 2011 | February OpenTournament · View matches | 1,798 | 1,817 | +19+26 / -7 | 4W / 5L |
| Feb 13, 2011 | RFD February OpenTournament · View matches | 1,829 | 1,798 | -31+3 / -34 | 5W / 6L |
| Jan 22, 2011 | Winter OpenTournament · View matches | 1,836 | 1,829 | -7+27 / -34 | 7W / 5L |
| Dec 11, 2010 | Morton Grove Winter OpenTournament · View matches | 1,850 | 1,836 | -14+22 / -36 | 5W / 5L |
| Dec 4, 2010 | 2010 Shorewood Fall OpenTournament · View matches · USATT readjusted 1,743 → 1,816 | 1,743 | 1,850 | +34+41 / -7 | 6W / 1L |
| Nov 20, 2010 | Wheeling Fall OpenTournament · View matches | 1,717 | 1,743 | +26+42 / -16 | 4W / 2L |
| Nov 14, 2010 | South Shore Sports / Butterfly OpenTournament · View matches | 1,721 | 1,717 | -4+36 / -40 | 8W / 5L |
| Jul 3, 2010 | 2010 US OpenTournament · View matches | 1,726 | 1,721 | -5+39 / -44 | 7W / 7L |
| Jun 12, 2010 | Wheeling Spring OpenTournament · View matches | 1,762 | 1,726 | -36+18 / -54 | 6W / 6L |
| Jun 6, 2010 | Indy Giant RR & 2-Man TeamsTournament · View matches | 1,797 | 1,762 | -35+31 / -66 | 9W / 6L |
| May 2, 2010 | Robo-Pong St. Joseph Valley OpenTournament · View matches | 1,756 | 1,797 | +41+61 / -20 | 6W / 7L |
| Sep 5, 2009 | Labor Day OpenTournament · View matches | 1,762 | 1,756 | -6+1 / -7 | 2W / 1L |
| Jul 25, 2009 | Hot Summer OpenTournament · View matches | 1,761 | 1,762 | +1+38 / -37 | 2W / 5L |
| Mar 29, 2009 | 45th RoboPong St Joe Valley OpenTournament · View matches | 1,790 | 1,761 | -29+2 / -31 | 4W / 8L |
| Mar 14, 2009 | Schaumburg Spring OpenTournament · View matches | 1,775 | 1,790 | +15+21 / -6 | 5W / 5L |
| Dec 14, 2008 | Rockford Christmas OpenTournament · View matches | 1,748 | 1,775 | +27+38 / -11 | 7W / 9L |
| Dec 13, 2008 | 2008 Shorewood Fall OpenTournament · View matches | 1,722 | 1,748 | +26 | 5W / 1L |
| Nov 16, 2008 | Butterfly/South Shore Sports OpenTournament · View matches | 1,756 | 1,722 | -34+10 / -44 | 2W / 8L |
| Nov 8, 2008 | Schaumburg TTC Fall OpenTournament · View matches | 1,814 | 1,756 | -58 | 3W / 4L |
| Oct 26, 2008 | Killerspin/Chicago Slam TT OpenTournament · View matches | 1,867 | 1,814 | -53+15 / -68 | 4W / 3L |