Wins
216
Indexed tournament wins
Player record
Horowitz, William
Losses
427
Indexed tournament losses
Matches
643
Decisive results
Win rate
33.6%
Across indexed matches
Peak rating
2,033
Highest rating in the available history.
Biggest upset
Paul David
Waterfront TTC Summer Warm-up · Jun 1, 1997 · +1005 rating
Open →Biggest loss
Szabo, Stephen
US Open Teams Championships · Nov 30, 1997 · -300 rating
Open →Most frequent opponent
Schoenberg, Stacy
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
61 tournament appearances · synced Aug 8, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 17, 1997 | Sun TV OpenTournament · View matches | 1,419 | 1,431 | +12 | 2W / 17L |
| Aug 9, 1997 | 1997 Jr. NationalsTournament · View matches | 1,419 | 1,419 | 0+0 / 0 | 1W / 3L |
| Aug 9, 1997 | 1997 Junior OlympicsTournament · View matches · USATT readjusted 1,323 → 1,378 | 1,323 | 1,419 | +41+45 / -4 | 2W / 2L |
| Jul 6, 1997 | U.S. OpenTournament · View matches | 1,309 | 1,323 | +14+16 / -2 | 2W / 11L |
| Jun 1, 1997 | Waterfront TTC Summer Warm-up Tournament · View matches | 1,267 | 1,309 | +42 | 1W / 11L |
| May 18, 1997 | May Westfield OpenTournament · View matches | 1,339 | 1,267 | -72+3 / -75 | 2W / 9L |
| Apr 20, 1997 | Westfield April OpenTournament · View matches | 1,339 | 1,339 | 0+16 / -16 | 5W / 7L |
| Mar 16, 1997 | NJTTC March OpenTournament · View matches | 1,335 | 1,339 | +4+15 / -11 | 8W / 2L |
| Feb 23, 1997 | February Westfield OpenTournament · View matches | 1,333 | 1,335 | +2+28 / -26 | 6W / 11L |
| Jan 26, 1997 | January Westfield OpenTournament · View matches | 1,305 | 1,333 | +28+43 / -15 | 7W / 4L |
| Dec 15, 1996 | '96 New Haven OpenTournament · View matches | 1,315 | 1,305 | -10+8 / -18 | 3W / 4L |
| Nov 17, 1996 | NJTTC November OpenTournament · View matches | 1,314 | 1,315 | +1+19 / -18 | 6W / 4L |
| Jul 7, 1996 | 1996 US OpenTournament · View matches | 866 | 1,314 | +448 | 7W / 9L |
| Jun 30, 1996 | Champion Summer OpenTournament · View matches | 879 | 866 | -13+0 / -13 | 2W / 6L |
| May 19, 1996 | NJTTC May OpenTournament · View matches | 746 | 879 | +133 | 6W / 5L |
| Apr 14, 1996 | NJTTC April OpenTournament · View matches · USATT readjusted 642 → 695 | 642 | 746 | +51+55 / -4 | 2W / 6L |
| Dec 4, 1995 | 1995 Hofstra OpenTournament · View matches | 647 | 642 | -5 | 0W / 11L |
| Nov 12, 1995 | NJTTC November OpenTournament · View matches | 681 | 647 | -34 | 2W / 6L |
| Oct 29, 1995 | $2550 Westside OpenTournament · View matches | 681 | 681 | 0 | 0W / 7L |
| Jul 9, 1995 | US OpenTournament · View matches | 681 | 681 | 0+0 / 0 | 0W / 11L |