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 |
|---|---|---|---|---|---|
| Apr 11, 2010 | Newgy Strongsville Show DownTournament · View matches | 1,851 | 1,840 | -11+0 / -11 | 1W / 3L |
| Mar 28, 2010 | 2010 Millcreek Giant RRTournament · View matches | 1,875 | 1,851 | -24+20 / -44 | 1W / 7L |
| Aug 24, 2009 | Strongsville Summer OpenTournament · View matches · USATT readjusted 1,719 → 1,842 | 1,719 | 1,875 | +33+43 / -10 | 6W / 2L |
| Jun 20, 2009 | Macy Block Giant RR OpenTournament · View matches | 1,717 | 1,719 | +2+28 / -26 | 3W / 4L |
| May 16, 2009 | Macy Block OH Closed ChampionsTournament · View matches | 1,746 | 1,717 | -29+9 / -38 | 4W / 6L |
| Nov 16, 2008 | Butterfly/South Shore Sports OpenTournament · View matches | 1,802 | 1,746 | -56+22 / -78 | 6W / 6L |
| Oct 25, 2008 | 2008 Cincinnati OpenTournament · View matches | 1,863 | 1,802 | -61+6 / -67 | 2W / 6L |
| Oct 19, 2008 | 2008 Millcreek OpenTournament · View matches | 1,645 | 1,863 | +218 | 15W / 11L |
| Jun 14, 2008 | 2008 Ohio Championship ClosedTournament · View matches | 1,634 | 1,645 | +11+39 / -28 | 4W / 6L |
| May 25, 2008 | Northern Kentucky Spring OpenTournament · View matches | 1,722 | 1,634 | -88+0 / -88 | 4W / 9L |
| May 4, 2008 | Robo-Pong St. Joe Valley OpenTournament · View matches | 1,745 | 1,722 | -23+6 / -29 | 3W / 8L |
| Apr 13, 2008 | Millcreek Giant RRTournament · View matches | 1,706 | 1,745 | +39+56 / -17 | 5W / 3L |
| Mar 29, 2008 | South Park TTC 50th AnniversaryTournament · View matches | 1,717 | 1,706 | -11+18 / -29 | 4W / 3L |
| Mar 16, 2008 | 2008 Spring Warm-Up TournamentTournament · View matches | 1,696 | 1,717 | +21+28 / -7 | 5W / 3L |
| Nov 18, 2007 | Highland OpenTournament · View matches | 1,728 | 1,696 | -32+20 / -52 | 2W / 14L |
| Oct 21, 2007 | 2007 Millcreek OpenTournament · View matches | 1,705 | 1,728 | +23 | 5W / 12L |
| Oct 7, 2007 | The 8th Annual Willoughby HillTournament · View matches | 1,675 | 1,705 | +30+65 / -35 | 3W / 8L |
| May 6, 2007 | No. Kentucky/Cincinnati 2007 OTournament · View matches | 1,766 | 1,675 | -91 | 11W / 12L |
| Mar 18, 2007 | 42nd St. Joseph Valley OpenTournament · View matches | 1,750 | 1,766 | +16+27 / -11 | 4W / 11L |
| Feb 17, 2007 | Columbus Giant RRTournament · View matches | 1,775 | 1,750 | -25+17 / -42 | 2W / 6L |