Wins
205
Indexed tournament wins
Player record
Derek Borysiewicz
Losses
278
Indexed tournament losses
Matches
483
Decisive results
Win rate
42.4%
Across indexed matches
Peak rating
2,005
Highest rating in the available history.
Biggest upset
Byung Jo Bae
Rockford Thanksgiving Open · Nov 22, 2009 · +293 rating
Open →Biggest loss
Eric Arnett
Highland Open · Nov 18, 2007 · -518 rating
Open →Most frequent opponent
Benjamin Gross
8 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
58 tournament appearances · synced Aug 26, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 22, 2009 | Rockford Thanksgiving OpenTournament · View matches · USATT readjusted 1,764 → 1,982 | 1,764 | 2,005 | +23+26 / -3 | 5W / 1L |
| Nov 15, 2009 | South Shore Sports/Butterfly OTournament · View matches | 1,846 | 1,764 | -82+3 / -85 | 4W / 6L |
| Nov 7, 2009 | Schaumburg Fall OpenTournament · View matches | 1,815 | 1,846 | +31+38 / -7 | 5W / 1L |
| Aug 30, 2009 | 2009 Indiana OpenTournament · View matches | 1,821 | 1,815 | -6+6 / -12 | 4W / 5L |
| Jul 19, 2009 | 2009 Lindenwood July OpenTournament · View matches | 1,816 | 1,821 | +5+5 / 0 | 2W / 0L |
| Jul 4, 2009 | US Open TT ChampionshipTournament · View matches | 1,823 | 1,816 | -7 | 4W / 6L |
| Apr 25, 2009 | Rockford Spring OpenTournament · View matches | 1,835 | 1,823 | -12+12 / -24 | 3W / 6L |
| Apr 18, 2009 | Clearwater Open Orange BlossomTournament · View matches | 1,837 | 1,835 | -2+2 / -4 | 3W / 7L |
| Mar 29, 2009 | 45th RoboPong St Joe Valley OpenTournament · View matches | 1,823 | 1,837 | +14+32 / -18 | 10W / 6L |
| Mar 14, 2009 | Schaumburg Spring OpenTournament · View matches | 1,837 | 1,823 | -14+0 / -14 | 0W / 2L |
| Dec 29, 2008 | SPINvitationalTournament · View matches | 1,858 | 1,837 | -21 | 3W / 3L |
| Nov 16, 2008 | Butterfly/South Shore Sports OpenTournament · View matches | 1,856 | 1,858 | +2+4 / -2 | 2W / 3L |
| Oct 5, 2008 | Rockford Fall OpenTournament · View matches | 1,859 | 1,856 | -3+53 / -56 | 3W / 8L |
| Jul 5, 2008 | U.S. OpenTournament · View matches | 1,875 | 1,859 | -16+4 / -20 | 6W / 6L |
| Jun 28, 2008 | Schaumburg June OpenTournament · View matches | 1,842 | 1,875 | +33+50 / -17 | 7W / 4L |
| Apr 20, 2008 | Rockford Spring OpenTournament · View matches | 1,820 | 1,842 | +22+40 / -18 | 6W / 6L |
| Feb 16, 2008 | Chinese New Year OpenTournament · View matches | 1,846 | 1,820 | -26+23 / -49 | 4W / 4L |
| Dec 30, 2007 | Killerspin Holiday OpenTournament · View matches | 1,864 | 1,846 | -18+21 / -39 | 7W / 6L |
| Nov 18, 2007 | Highland OpenTournament · View matches | 1,946 | 1,864 | -82+18 / -100 | 8W / 8L |
| Nov 10, 2007 | Schaumburg November OpenTournament · View matches | 1,938 | 1,946 | +8+11 / -3 | 3W / 2L |
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