Player record

Birriel, Oscar A

ID 231607MaleInactive
Current rating2,321
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Wins

8

Indexed tournament wins

Losses

10

Indexed tournament losses

Matches

18

Decisive results

Win rate

44.4%

Across indexed matches

Peak rating

2,321

Highest rating in the available history.

Biggest upset

Li, Ted

2018 US Open · Dec 16, 2018 · +2477 rating

Open →

Most frequent opponent

Xu, David

2 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

2 tournament appearances · synced Aug 7, 2026, 2:13 AM

DateTournamentRating inRating afterPoints changedRecord
Dec 17, 2019US OpenTournament · View matches2,3142,321+7+28 / -213W / 4L
Dec 16, 20182018 US OpenTournament · View matches · Initial rating 2,314Unrated2,314+39+79 / -405W / 6L