Player record

Hong Jo Ahn

ID 80428ORMaleInactive

Hong Jo Ahn's USATT rating is 1,535.

USATT rating1,535
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Wins

2

Indexed tournament wins

Losses

4

Indexed tournament losses

Matches

6

Decisive results

Win rate

33.3%

Across indexed matches

Peak rating

1,535

Highest rating in the available history.

Biggest upset

George Yang

2010 Rose City Open · Jun 13, 2010 · +160 rating

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Biggest loss

Jia Feng (Jason Chen

2010 Rose City Open · Jun 13, 2010 · -149 rating

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Most frequent opponent

Jia Feng (Jason Chen

1 match

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Rating trajectory

Published rating movement across recorded events.

Tournament history

2 tournament appearances · synced Aug 29, 2026, 2:27 AM

DateTournamentRating inRating afterPoints changedRecord
Jun 13, 20102010 Rose City OpenTournament · View matches1,5211,535+142W / 1L
Jun 28, 20092009 Rose City OpenTournament · View matches · Initial rating 1,521Unrated1,521—0W / 3L