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 |
|---|---|---|---|---|---|
| Jan 31, 1998 | Sac-Rec Winter OpenTournament · View matches | 2,409 | 2,414 | +5 | 5W / 0L |
| Dec 21, 1997 | US NationalsTournament · View matches | 2,309 | 2,409 | +100 | 17W / 2L |
| Dec 7, 1997 | 1997 2nd Annual US Nationals "Tournament · View matches | 2,310 | 2,309 | -1+0 / -1 | 3W / 1L |
| Nov 30, 1997 | US Open Teams ChampionshipsTournament · View matches | 2,321 | 2,310 | -11 | 7W / 6L |
| Oct 12, 1997 | Sacramento OpenTournament · View matches | 2,286 | 2,321 | +35 | 14W / 4L |
| Aug 31, 1997 | Sam Lima Mem TTTTournament · View matches | 2,294 | 2,286 | -8 | 5W / 1L |
| Jul 6, 1997 | U.S. OpenTournament · View matches | 2,276 | 2,294 | +18+35 / -17 | 10W / 6L |
| Jun 22, 1997 | California State OpenTournament · View matches | 2,276 | 2,276 | 0+5 / -5 | 1W / 1L |
| Jun 14, 1997 | Sac-Rec Summer OpenTournament · View matches | 2,266 | 2,276 | +10+10 / 0 | 3W / 1L |
| May 25, 1997 | 23rd Annual Golden State OpenTournament · View matches | 2,312 | 2,266 | -46+11 / -57 | 7W / 3L |
| May 3, 1997 | Cinco de Mayo RRTournament · View matches | 2,301 | 2,312 | +11+12 / -1 | 4W / 1L |
| Apr 19, 1997 | Sacramento Spring OpenTournament · View matches | 2,326 | 2,301 | -25+0 / -25 | 1W / 1L |
| Mar 29, 1997 | Glen Park OpenTournament · View matches | 2,316 | 2,326 | +10+10 / 0 | 3W / 0L |
| Feb 9, 1997 | '97 Vietnamese New Year FestivTournament · View matches | 2,292 | 2,316 | +24 | 5W / 4L |
| Jan 18, 1997 | Sacramento Winter OpenTournament · View matches | 2,296 | 2,292 | -4 | 9W / 2L |
| Jan 5, 1997 | 1997 Gilbert CupTournament · View matches | 2,306 | 2,296 | -10+6 / -16 | 1W / 3L |
| Dec 22, 1996 | 1996 U.S. NationalsTournament · View matches · USATT readjusted 2,226 → 2,308 | 2,226 | 2,306 | -2+63 / -65 | 14W / 5L |
| Dec 1, 1996 | U.S. Open Team ChampionshipsTournament · View matches | 2,204 | 2,226 | +22+99 / -77 | 11W / 12L |
| Nov 10, 1996 | Pacific Rim OpenTournament · View matches | 2,234 | 2,204 | -30+32 / -62 | 9W / 6L |
| Oct 5, 1996 | Sac-Rec October Open RRTournament · View matches | 2,239 | 2,234 | -5+8 / -13 | 6W / 1L |