Player record

Mary Beth MacClaren

ID 70523NYInactive

Mary Beth MacClaren's USATT rating is 963.

USATT rating963
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Wins

52

Indexed tournament wins

Losses

61

Indexed tournament losses

Matches

113

Decisive results

Win rate

46.0%

Across indexed matches

Peak rating

1,045

Highest rating in the available history.

Biggest upset

Clark Munson

2008 Millcreek Open · Oct 19, 2008 · +384 rating

Open →

Biggest loss

Mary Litavsky

2012 Rochester New York Open · Feb 26, 2012 · -505 rating

Open →

Most frequent opponent

Terry Byrne

4 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

12 tournament appearances · synced Aug 27, 2026, 2:27 AM

DateTournamentRating inRating afterPoints changedRecord
Feb 26, 20122012 Rochester New York OpenTournament · View matches1,045963-823W / 9L
Feb 27, 20112011 Rochester NY OpenTournament · View matches1,0421,045+35W / 3L
Feb 21, 20102010 Rochester New York OpenTournament · View matches9471,042+958W / 6L
Apr 5, 20092009 Millcreek Giant RRTournament · View matches906947+41+41 / 08W / 0L
Feb 22, 2009Rochester NY Open Giant RRTournament · View matches876906+306W / 11L
Dec 14, 2008Central New York Giant RRTournament · View matches890876-144W / 3L
Oct 19, 20082008 Millcreek OpenTournament · View matches818890+723W / 8L
May 25, 2008Eastern Open on the 2008 JOOLATournament · View matches695818+1239W / 5L
Apr 13, 2008Millcreek Giant RRTournament · View matches760695-652W / 6L
Mar 2, 20082008 Arnold TT ChampionshipsTournament · View matches470760+2902W / 1L
Feb 24, 20082008 Rochester New York OpenTournament · View matches · USATT readjusted 372 → 422372470+48+50 / -21W / 2L
Dec 30, 2007Central New York 2007 ChampionTournament · View matches · Initial rating 372Unrated372—1W / 7L