Player record

John D. Griffin

ID 63996CTMaleInactive

John D. Griffin's USATT rating is 897.

USATT rating897
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Wins

10

Indexed tournament wins

Losses

24

Indexed tournament losses

Matches

34

Decisive results

Win rate

29.4%

Across indexed matches

Peak rating

897

Highest rating in the available history.

Biggest upset

Eric Tryon

Connecticut Open · Jun 19, 2011 · +312 rating

Open →

Biggest loss

Benedict Tran

Greater Hartford May 2011 Open · May 22, 2011 · -458 rating

Open →

Most frequent opponent

Tony Cortesi

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
Nov 12, 2011P&W Aircraft TT Club November 2011 OpenTournament · View matches880897+17+27 / -104W / 2L
Jun 19, 2011Connecticut OpenTournament · View matches659880+2214W / 4L
May 22, 2011Greater Hartford May 2011 OpenTournament · View matches709659-50+0 / -500W / 6L
May 24, 20092009 SpinathonTournament · View matches703709+62W / 1L
Sep 28, 20082008 Bay State Giant RRTournament · View matches705703-2+0 / -20W / 8L
May 25, 2008SpinathonTournament · View matches · Initial rating 705Unrated705—0W / 3L