Player record

Ha, Robert

ID 1366OHMaleInactive
Current rating1,841
Back to ratingsCompare player

Wins

135

Indexed tournament wins

Losses

111

Indexed tournament losses

Matches

246

Decisive results

Win rate

54.9%

Across indexed matches

Peak rating

1,893

Highest rating in the available history.

Biggest upset

John Oros

Cincinnati Giant RR Open · May 23, 1998 · +354 rating

Open →

Biggest loss

Thomas Yost

Sun TV Open · Aug 16, 1998 · -348 rating

Open →

Most frequent opponent

Mark Ben Weber

7 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

33 tournament appearances · synced Aug 8, 2026, 2:15 AM

DateTournamentRating inRating afterPoints changedRecord
Nov 6, 1999Dayton Giant RR OpenTournament · View matches1,6451,621-242W / 7L
Sep 25, 1999Cincinnati Giant RR OpenTournament · View matches · USATT readjusted 1,566 → 1,6181,5661,645+27+35 / -82W / 6L
Sep 12, 19991999 Indianapolis Summer OpenTournament · View matches1,5871,566-21+2 / -231W / 3L
May 23, 1999Portsmouth InvitationalTournament · View matches1,5871,5870+5 / -51W / 2L
Feb 6, 1999Columbus RR OpenTournament · View matches1,5801,587+7+48 / -417W / 4L
Nov 21, 1998Portsmouth November Open InvitationalTournament · View matches1,6121,580-326W / 3L
Nov 7, 1998Dayton Giant RR OpenTournament · View matches1,6091,612+36W / 4L
Aug 16, 1998Sun TV OpenTournament · View matches1,6351,609-261W / 4L
May 23, 1998Cincinnati Giant RR OpenTournament · View matches · USATT readjusted 1,420 → 1,6041,4201,635+31+62 / -316W / 2L
Apr 4, 1998Dayton Giant RR OpenTournament · View matches1,2931,420+1279W / 0L
Nov 8, 1997Dayton TABL 10S OpenTournament · View matches1,2831,293+10+10 / 01W / 1L
Jan 15, 19951995 Indy Winter OpenTournament · View matches1,2991,283-16+0 / -161W / 2L
May 29, 1994St. Joseph Valley OpenTournament · View matches · Initial rating 1,299Unrated1,299+14+27 / -135W / 1L