Player record

Oanh Co

ID 1479ORFemaleInactive

Oanh Co's USATT rating is 885.

USATT rating885
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Wins

37

Indexed tournament wins

Losses

27

Indexed tournament losses

Matches

64

Decisive results

Win rate

57.8%

Across indexed matches

Peak rating

888

Highest rating in the available history.

Biggest upset

Nick Megert

Portland Under 1200 · Oct 16, 2004 · +187 rating

Open →

Biggest loss

Rahul Vora

Portland U1200 Open · Aug 20, 2005 · -194 rating

Open →

Most frequent opponent

Simone Yang

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

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

DateTournamentRating inRating afterPoints changedRecord
Aug 20, 2005Portland U1200 OpenTournament · View matches888885-36W / 3L
Jun 18, 20052005 Rose City OpenTournament · View matches881888+7+7 / 05W / 0L
Oct 16, 2004Portland Under 1200Tournament · View matches · USATT readjusted 775 → 843775881+38+43 / -58W / 1L
Dec 15, 2002Mayo Rolph CupTournament · View matches800775-25+0 / -252W / 3L
Nov 10, 2002Stiga Pacific Rim OpenTournament · View matches799800+13W / 2L
Nov 5, 2000Stiga Pacific Rim OpenTournament · View matches799806+7+8 / -12W / 1L
Jun 23, 1996Rose City OpenTournament · View matches773793+20+20 / 03W / 5L
Nov 5, 1995Pacific Rim OpenTournament · View matches771773+21W / 2L
Aug 19, 1995Portland OpenTournament · View matches800771-29+0 / -290W / 4L
Jun 18, 1995Rose City OpenTournament · View matches749800+51+53 / -25W / 3L
Jun 19, 1994Rose City OpenTournament · View matches · Initial rating 749Unrated749—2W / 3L