Wins
1,600
Indexed tournament wins
Player record
Mark Hazinski
Losses
453
Indexed tournament losses
Matches
2,053
Decisive results
Win rate
77.9%
Across indexed matches
Peak rating
2,695
Highest rating in the available history.
Biggest upset
Casey Mcleod
St. Joseph Valley, No. America · May 29, 1995 · +422 rating
Open →Biggest loss
Cheng, Vincent
1996 U.S. Nationals · Dec 22, 1996 · -612 rating
Open →Most frequent opponent
Samson Dubina
32 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
257 tournament appearances · synced Aug 9, 2026, 4:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Oct 19, 1997 | 1997 Millcreek OpenTournament · View matches | 1,905 | 1,979 | +74 | 12W / 6L |
| Sep 20, 1997 | South Bend Senoda OpenTournament · View matches | 1,872 | 1,905 | +33+33 / 0 | 8W / 0L |
| Aug 9, 1997 | 1997 Jr. NationalsTournament · View matches | 1,873 | 1,872 | -1+2 / -3 | 5W / 3L |
| Aug 9, 1997 | 1997 Junior OlympicsTournament · View matches | 1,874 | 1,873 | -1+0 / -1 | 2W / 3L |
| Jul 27, 1997 | South Bend Summer OpenTournament · View matches | 1,841 | 1,874 | +33+42 / -9 | 4W / 3L |
| Jul 6, 1997 | U.S. OpenTournament · View matches | 1,870 | 1,841 | -29 | 10W / 9L |
| May 25, 1997 | South Bend Memorial Day OpenTournament · View matches | 1,836 | 1,870 | +34+58 / -24 | 7W / 5L |
| Apr 27, 1997 | 1997 Indiana State ClosedTournament · View matches | 1,845 | 1,836 | -9 | 4W / 5L |
| Mar 16, 1997 | South Bend OpenTournament · View matches | 1,713 | 1,845 | +132 | 9W / 2L |
| Jan 19, 1997 | Cleveland Winter OpenTournament · View matches | 1,705 | 1,713 | +8+18 / -10 | 7W / 4L |
| Dec 22, 1996 | 1996 U.S. NationalsTournament · View matches | 1,771 | 1,705 | -66+1 / -67 | 2W / 11L |
| Dec 1, 1996 | U.S. Open Team ChampionshipsTournament · View matches | 1,772 | 1,771 | -1+0 / -1 | 0W / 17L |
| Nov 10, 1996 | St. Joseph Valley OpenTournament · View matches | 1,641 | 1,772 | +131 | 10W / 8L |
| Oct 27, 1996 | 1996 Oakbrook October OpenTournament · View matches | 1,646 | 1,641 | -5 | 7W / 7L |
| Sep 8, 1996 | 1996 Sears-Harvard OpenTournament · View matches | 1,617 | 1,646 | +29+53 / -24 | 4W / 4L |
| Aug 7, 1996 | 1996 Jr. OlympicsTournament · View matches | 1,642 | 1,618 | -24 | 7W / 3L |
| Aug 7, 1996 | 1996 Jr. NationalsTournament · View matches | 1,618 | 1,617 | -1+7 / -8 | 5W / 3L |
| Jul 27, 1996 | Schaumburg OpenTournament · View matches | 1,677 | 1,642 | -35+0 / -35 | 0W / 3L |
| Jun 23, 1996 | Minn Junior Fund Raiser OpenTournament · View matches | 1,653 | 1,677 | +24 | 9W / 3L |
| Apr 28, 1996 | Indiana State ClosedTournament · View matches | 1,662 | 1,653 | -9+2 / -11 | 5W / 4L |