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 |
|---|---|---|---|---|---|
| Dec 9, 2006 | South Bend OpenTournament · View matches | 1,770 | 1,775 | +5+31 / -26 | 2W / 5L |
| Nov 11, 2006 | Canton Fall Open Giant RRTournament · View matches | 1,760 | 1,770 | +10 | 3W / 7L |
| Oct 29, 2006 | 2006 Millcreek OpenTournament · View matches | 1,803 | 1,760 | -43+17 / -60 | 8W / 8L |
| Oct 14, 2006 | Rubber City OpenTournament · View matches | 1,843 | 1,803 | -40+4 / -44 | 3W / 6L |
| Jun 4, 2006 | Ohio ClosedTournament · View matches | 1,676 | 1,843 | +167 | 9W / 11L |
| May 7, 2006 | St. Joseph Valley OpenTournament · View matches | 1,801 | 1,676 | -125+0 / -125 | 1W / 13L |
| Mar 25, 2006 | March Winds Open Giant RRTournament · View matches | 1,812 | 1,801 | -11+6 / -17 | 2W / 5L |
| Nov 6, 2005 | 2005 Millcreek OpenTournament · View matches | 1,874 | 1,812 | -62 | 6W / 10L |
| Oct 8, 2005 | Canton Fall OpenTournament · View matches | 1,876 | 1,874 | -2+2 / -4 | 2W / 4L |
| Sep 25, 2005 | 6th Annual Willoughby Hills Giant RRTournament · View matches | 1,888 | 1,876 | -12+0 / -12 | 0W / 8L |
| May 23, 2004 | The 2004 Cleveland Spring OpenTournament · View matches | 1,675 | 1,888 | +213 | 13W / 9L |
| Apr 17, 2004 | City Limits April Giant RR OpenTournament · View matches | 1,653 | 1,675 | +22+35 / -13 | 8W / 1L |
| Apr 4, 2004 | 2004 Millcreek Giant RRTournament · View matches | 1,666 | 1,653 | -13+25 / -38 | 4W / 4L |
| Mar 14, 2004 | Buckeye OpenTournament · View matches | 1,639 | 1,666 | +27+76 / -49 | 3W / 4L |
| Jan 18, 2004 | The 2004 Cleveland Winter OpenTournament · View matches | 1,629 | 1,639 | +10 | 7W / 9L |
| Mar 24, 2002 | Buckeye OpenTournament · View matches | 1,680 | 1,629 | -51+35 / -86 | 4W / 6L |
| Nov 10, 2001 | Dayton Giant RR OpenTournament · View matches | 1,665 | 1,680 | +15 | 7W / 2L |
| Oct 6, 2001 | South Bend OpenTournament · View matches | 1,758 | 1,665 | -93+11 / -104 | 2W / 7L |
| Sep 22, 2001 | City Limits OpenTournament · View matches | 1,724 | 1,758 | +34+39 / -5 | 3W / 6L |
| Sep 15, 2001 | Three Rivers TTC Fall TournameTournament · View matches | 1,753 | 1,724 | -29+6 / -35 | 2W / 5L |