Wins
605
Indexed tournament wins
Player record
Zajac, Peter
Losses
315
Indexed tournament losses
Matches
920
Decisive results
Win rate
65.8%
Across indexed matches
Peak rating
2,419
Highest rating in the available history.
Biggest upset
Eduard Hamamjian
US Nationals · Dec 18, 1994 · +236 rating
Open →Biggest loss
Boissonneault, Anne
1996 US Open · Jul 7, 1996 · -622 rating
Open →Most frequent opponent
Gabriel, Freddie
37 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
96 tournament appearances · synced Aug 8, 2026, 2:14 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 1, 1996 | Sam Lima MemorialTournament · View matches | 2,212 | 2,239 | +27 | 9W / 1L |
| Aug 3, 1996 | Sacramento Summer OpenTournament · View matches | 2,194 | 2,212 | +18+18 / 0 | 5W / 0L |
| Jul 21, 1996 | Glen Park OpenTournament · View matches | 2,165 | 2,194 | +29+35 / -6 | 6W / 1L |
| Jul 7, 1996 | 1996 US OpenTournament · View matches | 2,244 | 2,165 | -79+41 / -120 | 16W / 8L |
| Jun 23, 1996 | California State OpenTournament · View matches | 2,215 | 2,244 | +29+34 / -5 | 11W / 1L |
| Jun 1, 1996 | Sac-Rec Spring OpenTournament · View matches | 2,269 | 2,215 | -54 | 6W / 5L |
| May 26, 1996 | Golden State Open TTTTournament · View matches | 2,124 | 2,269 | +145 | 11W / 2L |
| May 4, 1996 | Cinco de Mayo RRTournament · View matches | 2,200 | 2,124 | -76 | 7W / 3L |
| Apr 21, 1996 | Glen Park OpenTournament · View matches | 2,221 | 2,200 | -21 | 5W / 2L |
| Apr 8, 1996 | First Annual US Youth CupTournament · View matches | 2,050 | 2,221 | +171 | 8W / 7L |
| Dec 18, 1995 | USATT National ChampionshipsTournament · View matches | 2,081 | 2,050 | -31 | 10W / 8L |
| Dec 3, 1995 | Berkeley TTC Fall TournamentTournament · View matches | 2,081 | 2,108 | +27 | 6W / 4L |
| Nov 11, 1995 | Glen Park OpenTournament · View matches · USATT readjusted 1,936 → 2,054 | 1,936 | 2,081 | +27+39 / -12 | 3W / 2L |
| Oct 29, 1995 | Thousand OaksTournament · View matches | 2,035 | 1,936 | -99+0 / -99 | 2W / 5L |
| Sep 30, 1995 | Sacramento September OpenTournament · View matches | 2,041 | 2,035 | -6 | 9W / 4L |
| Sep 3, 1995 | Sam Lima Labor Day TournamentTournament · View matches | 2,076 | 2,041 | -35 | 0W / 2L |
| Jul 9, 1995 | US OpenTournament · View matches | 2,071 | 2,076 | +5 | 17W / 6L |
| Jun 25, 1995 | Berkeley TTC Spring TournamentTournament · View matches | 2,085 | 2,071 | -14 | 11W / 4L |
| Jun 10, 1995 | Sacramento June OpenTournament · View matches | 1,930 | 2,085 | +155 | 5W / 3L |
| May 28, 1995 | 1995 Golden State OpenTournament · View matches | 1,936 | 1,930 | -6+18 / -24 | 4W / 4L |