Wins
446
Indexed tournament wins
Player record
Dietz, Roy
Losses
614
Indexed tournament losses
Matches
1,060
Decisive results
Win rate
42.1%
Across indexed matches
Peak rating
1,957
Highest rating in the available history.
Biggest upset
Inui, Tadao (tom)
Ohio Closed · Jun 4, 2006 · +299 rating
Open →Biggest loss
Stein, Berl
2005 Millcreek Open · Nov 6, 2005 · -498 rating
Open →Most frequent opponent
Berenson, David
12 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
95 tournament appearances · synced Aug 8, 2026, 2:18 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 3, 2001 | March Madness Canton OpenTournament · View matches | 1,724 | 1,753 | +29 | 9W / 5L |
| Feb 17, 2001 | Mid Ohio Camper Sales OpenTournament · View matches | 1,735 | 1,724 | -11+0 / -11 | 0W / 8L |
| Jan 21, 2001 | Cleveland Winter Open 2001Tournament · View matches | 1,768 | 1,735 | -33 | 5W / 7L |
| Nov 11, 2000 | Dayton Giant RR OpenTournament · View matches | 1,795 | 1,768 | -27+0 / -27 | 0W / 7L |
| Apr 8, 2000 | Dayton Giant RRTournament · View matches | 1,903 | 1,795 | -108+8 / -116 | 4W / 5L |
| Mar 25, 2000 | March Madness Canton OpenTournament · View matches · USATT readjusted 1,805 → 1,868 | 1,805 | 1,903 | +35+47 / -12 | 11W / 4L |
| Mar 19, 2000 | Buckeye Open TTTTournament · View matches | 1,820 | 1,805 | -15+19 / -34 | 9W / 6L |
| Feb 27, 2000 | Newark Macy Block OpenTournament · View matches | 1,829 | 1,820 | -9+9 / -18 | 6W / 5L |
| Feb 13, 2000 | South Bend Newmar OpenTournament · View matches | 1,860 | 1,829 | -31+5 / -36 | 1W / 6L |
| Jan 22, 2000 | Columbus Open RRTournament · View matches | 1,870 | 1,860 | -10+19 / -29 | 4W / 3L |
| Jan 9, 2000 | Cleveland Winter Open 2000Tournament · View matches | 1,852 | 1,870 | +18 | 7W / 6L |
| Nov 6, 1999 | Dayton Giant RR OpenTournament · View matches | 1,866 | 1,852 | -14+0 / -14 | 0W / 9L |
| Aug 22, 1999 | Macy Block Open (formerly Sun Tournament · View matches | 1,870 | 1,866 | -4 | 8W / 4L |
| Jul 18, 1999 | 1999 Cleveland Summer OpenTournament · View matches | 1,870 | 1,870 | 0+0 / 0 | 2W / 0L |
| Jun 6, 1999 | 1999 Macy Block Ohio ClosedTournament · View matches | 1,867 | 1,870 | +3+14 / -11 | 7W / 4L |
| Nov 29, 1998 | 1998 North American Teams ChampionshipsTournament · View matches | 1,874 | 1,867 | -7 | 20W / 5L |
| Apr 26, 1998 | 1998 Ohio ChampionshipsTournament · View matches | 1,957 | 1,874 | -83 | 8W / 5L |
| Jan 18, 1998 | Cleveland Winter OpenTournament · View matches | 1,811 | 1,957 | +146 | 9W / 4L |
| Nov 30, 1997 | US Open Teams ChampionshipsTournament · View matches | 1,800 | 1,811 | +11 | 22W / 8L |
| Aug 17, 1997 | Sun TV OpenTournament · View matches | 1,797 | 1,800 | +3+5 / -2 | 2W / 4L |