Player record

Porter, John

ID 12280AZMaleInactive
Current rating1,505

Wins

28

Indexed tournament wins

Losses

20

Indexed tournament losses

Matches

48

Decisive results

Win rate

58.3%

Across indexed matches

Peak rating

1,532

Highest rating in the available history.

Biggest upset

Wishniowski, Stanley

1997 Arizona Open · Feb 23, 1997 · +182 rating

Open →

Biggest loss

Ballard, John

Arizona Open TTT · Mar 5, 1995 · -347 rating

Open →

Most frequent opponent

Oswald, C. Evan

4 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

10 tournament appearances · synced Aug 8, 2026, 2:18 AM

DateTournamentRating inRating afterPoints changedRecord
Sep 1, 2002Florida State ClosedTournament · View matches1,4851,505+20+47 / -275W / 3L
May 3, 1997Sun City SeniorsTournament · View matches1,5101,485-25+0 / -250W / 1L
Apr 26, 19971997 Arizona ClosedTournament · View matches1,5211,510-112W / 2L
Feb 23, 19971997 Arizona OpenTournament · View matches · USATT readjusted 1,432 → 1,4851,4321,521+36+36 / 04W / 0L
Dec 8, 1996Arizona Open Winter Warm-upTournament · View matches1,4711,432-394W / 3L
Dec 3, 1995Arizona Valley of the Sun OpenTournament · View matches1,4851,471-142W / 3L
Aug 13, 1995AZ Summer Classic (Closed)Tournament · View matches1,4801,485+5+8 / -32W / 1L
Mar 5, 1995Arizona Open TTTTournament · View matches1,5321,480-52+0 / -520W / 3L
Dec 4, 1994Valley of the Sun Open TTTTournament · View matches1,5211,532+115W / 2L
Aug 21, 19941994 Summer ClassicTournament · View matches1,5131,521+84W / 2L