Player record

Ong, Jason

ID 97628ILMaleInactive
Current rating594
Back to ratingsCompare player

Wins

15

Indexed tournament wins

Losses

26

Indexed tournament losses

Matches

41

Decisive results

Win rate

36.6%

Across indexed matches

Peak rating

602

Highest rating in the available history.

Biggest upset

Romanelli, Anthony

Chinese New Year Open · Feb 6, 2016 · +358 rating

Open →

Biggest loss

Naureen Sajwani

Spring Open · Apr 2, 2016 · -94 rating

Open →

Most frequent opponent

Godlewski, Michael

2 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

7 tournament appearances · synced Aug 8, 2026, 2:24 AM

DateTournamentRating inRating afterPoints changedRecord
Jan 13, 20172017 Aurora CupTournament · View matches602594-8+0 / -80W / 2L
Jun 25, 2016Illinois State ChampionshipsTournament · View matches598602+4+10 / -63W / 1L
Apr 2, 2016Spring OpenTournament · View matches564598+34+51 / -174W / 3L
Feb 6, 2016Chinese New Year OpenTournament · View matches · USATT readjusted 431 → 502431564+62+62 / 03W / 2L
Jan 15, 20162016 Aurora CupTournament · View matches397431+34+34 / 03W / 9L
Nov 14, 2015Fall OpenTournament · View matches3973970+0 / 00W / 3L
Sep 12, 2015September OpenTournament · View matches · Initial rating 397Unrated397-6+15 / -212W / 6L