Player record

Richard Duffin

ID 537WAMaleInactive

Richard Duffin's USATT rating is 878.

USATT rating878
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Wins

12

Indexed tournament wins

Losses

32

Indexed tournament losses

Matches

44

Decisive results

Win rate

27.3%

Across indexed matches

Peak rating

878

Highest rating in the available history.

Biggest upset

Lifei Wu

Portland Open · Aug 20, 1994 · +130 rating

Open →

Biggest loss

George H. Du

Portland Open · Aug 20, 1994 · -55 rating

Open →

Most frequent opponent

Roger Castle

2 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

6 tournament appearances · synced Aug 26, 2026, 2:27 AM

DateTournamentRating inRating afterPoints changedRecord
Jul 29, 1995Koala Springs Seafair Pacific Tournament · View matches8788780+0 / 00W / 3L
May 7, 19951995 Seattle OpenTournament · View matches852878+26+32 / -63W / 4L
Nov 13, 1994Pacific Rim OpenTournament · View matches851852+1+14 / -132W / 5L
Aug 20, 1994Portland OpenTournament · View matches745851+1065W / 7L
Jul 23, 1994Seafair OpenTournament · View matches733745+121W / 6L
May 22, 1994Seattle OpenTournament · View matches · Initial rating 733Unrated733—1W / 7L