Wins
244
Indexed tournament wins
Player record
Ruderman, Leon
Losses
174
Indexed tournament losses
Matches
418
Decisive results
Win rate
58.4%
Across indexed matches
Peak rating
1,975
Highest rating in the available history.
Biggest upset
Houshang Bozorgzadeh
MeikleJohn National Seniors · Jul 3, 1995 · +269 rating
Open →Biggest loss
Majors, Robert
2000 USATT National Championship · Dec 17, 2000 · -371 rating
Open →Most frequent opponent
Nick Mintsiveris
7 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
43 tournament appearances · synced Aug 8, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 21, 1994 | Rialto OpenTournament · View matches | 1,876 | 1,871 | -5+1 / -6 | 3W / 1L |
| Mar 20, 1994 | 1994 Chinese New Year All StarTournament · View matches | 1,869 | 1,876 | +7+7 / 0 | 2W / 1L |
| Mar 13, 1994 | Hawthorne/Northrop OpenTournament · View matches | 1,954 | 1,869 | -85+0 / -85 | 1W / 3L |
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