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 |
|---|---|---|---|---|---|
| Oct 21, 2007 | Rockford Fall OpenTournament · View matches · USATT readjusted 1,855 → 1,909 | 1,855 | 1,938 | +29+61 / -32 | 4W / 3L |
| Sep 15, 2007 | Schaumburg Fall OpenTournament · View matches · USATT readjusted 1,768 → 1,820 | 1,768 | 1,855 | +35+42 / -7 | 6W / 1L |
| Jun 23, 2007 | Summer OpenTournament · View matches | 1,774 | 1,768 | -6+17 / -23 | 3W / 3L |
| Jun 10, 2007 | 2007 Indy Giant RR & Two-Man TTournament · View matches | 1,808 | 1,774 | -34+0 / -34 | 0W / 9L |
| May 5, 2007 | Schaunburg Spring OpenTournament · View matches | 1,825 | 1,808 | -17+1 / -18 | 4W / 4L |
| Apr 29, 2007 | Rockford Spring OpenTournament · View matches | 1,816 | 1,825 | +9+13 / -4 | 2W / 6L |
| Mar 18, 2007 | 42nd St. Joseph Valley OpenTournament · View matches | 1,823 | 1,816 | -7+9 / -16 | 3W / 10L |
| Dec 30, 2006 | Killerspin Holiday OpenTournament · View matches · USATT readjusted 1,765 → 1,832 | 1,765 | 1,823 | -9+58 / -67 | 5W / 7L |
| Nov 19, 2006 | 3rd Annual Highland OpenTournament · View matches | 1,813 | 1,765 | -48+0 / -48 | 0W / 2L |
| Oct 29, 2006 | Fall Giant RR & 2-Man TeamsTournament · View matches | 1,825 | 1,813 | -12+28 / -40 | 3W / 5L |
| Oct 7, 2006 | Schaumburg OpenTournament · View matches | 1,834 | 1,825 | -9+0 / -9 | 0W / 6L |
| Jun 11, 2006 | Indy Giant RR & 2-Man TeamsTournament · View matches | 1,825 | 1,834 | +9+36 / -27 | 3W / 6L |
| May 7, 2006 | St. Joseph Valley OpenTournament · View matches · USATT readjusted 1,673 → 1,798 | 1,673 | 1,825 | +27+44 / -17 | 6W / 2L |
| Apr 22, 2006 | Killerspin Multiplex Spring OpenTournament · View matches | 1,690 | 1,673 | -17+0 / -17 | 0W / 3L |
| Apr 9, 2006 | South Bend Spring OpenTournament · View matches | 1,708 | 1,690 | -18+8 / -26 | 1W / 6L |
| Feb 11, 2006 | Chinese New Year OpenTournament · View matches | 1,704 | 1,708 | +4+7 / -3 | 3W / 3L |
| Dec 30, 2005 | 2005 Killerspin Holiday OpenTournament · View matches | 1,697 | 1,704 | +7+10 / -3 | 3W / 2L |
| Oct 23, 2005 | Highland OpenTournament · View matches | 1,674 | 1,697 | +23+46 / -23 | 6W / 6L |
| Aug 27, 2005 | Schaumburg August OpenTournament · View matches | 1,674 | 1,674 | 0 | 2W / 7L |
| Jun 18, 2005 | Schaumburg Summer RRTournament · View matches | 1,670 | 1,674 | +4+31 / -27 | 4W / 4L |