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 9, 2026, 2:22 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 22, 1997 | Sun TV Canton OpenTournament · View matches | 1,706 | 1,797 | +91 | 10W / 4L |
| Feb 23, 1997 | Sun T.V. OpenTournament · View matches | 1,710 | 1,706 | -4 | 3W / 5L |
| Jan 19, 1997 | Cleveland Winter OpenTournament · View matches | 1,715 | 1,710 | -5+3 / -8 | 1W / 8L |
| Dec 1, 1996 | U.S. Open Team ChampionshipsTournament · View matches | 1,856 | 1,715 | -141 | 13W / 10L |
| Nov 3, 1996 | 1996 Millcreek OpenTournament · View matches | 1,853 | 1,856 | +3+9 / -6 | 3W / 7L |
| Aug 18, 1996 | 1996 Sun TV OpenTournament · View matches | 1,857 | 1,853 | -4+9 / -13 | 2W / 4L |
| Oct 14, 1995 | Sun TV Canton OpenTournament · View matches | 1,834 | 1,857 | +23 | 8W / 5L |
| Apr 2, 1995 | 95 Sun TV Akron OpenTournament · View matches | 1,808 | 1,834 | +26 | 7W / 2L |
| Feb 26, 1995 | Sun TV OpenTournament · View matches | 1,897 | 1,808 | -89+11 / -100 | 5W / 6L |
| Nov 27, 1994 | US TeamsTournament · View matches | 1,749 | 1,897 | +148 | 15W / 9L |
| Nov 5, 1994 | Sun TV Canton OpenTournament · View matches | 1,769 | 1,749 | -20+40 / -60 | 8W / 5L |
| Oct 16, 1994 | 1994 Millcreek OpenTournament · View matches · USATT readjusted 1,681 → 1,744 | 1,681 | 1,769 | +25+57 / -32 | 9W / 7L |
| Sep 24, 1994 | Sun TV Columbus Fall OpenTournament · View matches | 1,726 | 1,681 | -45+23 / -68 | 3W / 7L |
| Apr 30, 1994 | Canton/Sun TV Ohio Closed ChamTournament · View matches | 1,741 | 1,726 | -15+0 / -15 | 1W / 8L |
| Feb 27, 1994 | Sun TV OpenTournament · View matches | 1,791 | 1,741 | -50 | 4W / 5L |
81–95 of 95
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