Player record

Lo, Jonathan

ID 28908ILMaleInactive
Current rating1,918

Wins

169

Indexed tournament wins

Losses

109

Indexed tournament losses

Matches

278

Decisive results

Win rate

60.8%

Across indexed matches

Peak rating

1,947

Highest rating in the available history.

Biggest upset

Gordon Cochran

2005 IN State Open Championshi · Aug 14, 2005 · +310 rating

Open →

Biggest loss

Khailo, Andre

Rockford Spring Open 2005 · Apr 16, 2005 · -412 rating

Open →

Most frequent opponent

Dalton, Scott

6 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

30 tournament appearances · synced Aug 7, 2026, 2:14 AM

DateTournamentRating inRating afterPoints changedRecord
Mar 27, 2004Glenview March Round RobinTournament · View matches · USATT readjusted 1,269 → 1,3341,2691,369+35+41 / -68W / 1L
Mar 21, 2004Milwaukee March MadnessTournament · View matches1,3241,269-556W / 8L
Feb 21, 2004Schaumburg RR OpenTournament · View matches1,3251,324-18W / 4L
Dec 29, 2003Killerspin Open 2003Tournament · View matches · USATT readjusted 1,184 → 1,3071,1841,325+18+30 / -127W / 13L
Nov 22, 2003Schaumburg RR OpenTournament · View matches1,1751,184+9+9 / 09W / 0L
Sep 13, 2003Glenview Fall TournamentTournament · View matches1,1761,175-1+3 / -42W / 8L
Aug 23, 2003Schaumburg OpenTournament · View matches1,0081,176+16810W / 1L
May 17, 2003Glenview Spring TournamentTournament · View matches9931,008+15+15 / 03W / 3L
Apr 13, 200339th St. Joseph Valley OpenTournament · View matches878993+1157W / 5L
Mar 8, 2003South Bend OpenTournament · View matches · Initial rating 878Unrated8785W / 5L