Player record

Duncan, John

ID 1857NYMaleInactive
Current rating2,093

Wins

154

Indexed tournament wins

Losses

108

Indexed tournament losses

Matches

262

Decisive results

Win rate

58.8%

Across indexed matches

Peak rating

2,265

Highest rating in the available history.

Biggest upset

Magnus, O. J.

Fall Open TTT · Nov 10, 1996 · +163 rating

Open →

Biggest loss

Murray, Alphanso

2001 Spin Open · Apr 15, 2001 · -333 rating

Open →

Most frequent opponent

Ajayi Ohore

5 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

30 tournament appearances · synced Aug 8, 2026, 2:14 AM

DateTournamentRating inRating afterPoints changedRecord
Jun 24, 2023Westchester June 2023 OpenTournament · View matches2,1062,093-13+0 / -134W / 1L
Nov 30, 20142014 JOOLA North American Teams ChampionshipsTournament · View matches2,1912,106-855W / 7L
Jun 2, 20132013 Brooklyn Borough President OpenTournament · View matches2,2072,191-16+1 / -176W / 2L
Mar 10, 201318th FIT OpenTournament · View matches2,2132,207-6+2 / -83W / 1L
Nov 25, 20122012 JOOLA N. American Teams OTournament · View matches2,2062,213+76W / 11L
Nov 11, 201217th FIT OpenTournament · View matches2,2162,206-10+0 / -102W / 1L
Oct 21, 2012Westchester 2012 October OpenTournament · View matches2,2292,216-13+0 / -131W / 1L
Jul 31, 2011Brooklyn Borough President TT CupTournament · View matches2,2492,229-20+0 / -202W / 1L
Feb 17, 2008Brooklyn TTC February OpenTournament · View matches2,2652,249-16+11 / -275W / 2L
Nov 25, 20072007 JOOLA N. American Teams OTournament · View matches2,1582,265+10713W / 4L
Nov 18, 2007Brooklyn TTC November OpenTournament · View matches2,1732,158-15+1 / -163W / 2L
Jun 11, 2006Brooklyn TTC OpenTournament · View matches2,1602,173+13+25 / -125W / 2L
Sep 4, 2005Kam Man Cup - Metropolitan OpeTournament · View matches2,1672,160-7+20 / -274W / 4L
Nov 28, 20042004 N. American Teams Open TTTournament · View matches2,1352,167+328W / 5L
Nov 21, 20042004 Brooklyn November OpenTournament · View matches2,1422,135-74W / 1L
Nov 30, 2003North American TeamsTournament · View matches2,2362,142-94+23 / -1176W / 10L
Dec 1, 2002Stiga N.A. Teams ChampionshipsTournament · View matches2,1622,236+7410W / 7L
Sep 8, 2002Spinmania 2002Tournament · View matches2,1602,162+25W / 4L
Mar 31, 20022002 Spintech OpenTournament · View matches2,1592,160+1+15 / -145W / 3L
Nov 18, 20012001 Champions November OpenTournament · View matches2,1462,159+13+16 / -37W / 3L