Wins
169
Indexed tournament wins
Player record
Jonathan Lo
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
Andre Khailo
Rockford Spring Open 2005 · Apr 16, 2005 · -412 rating
Open →Most frequent opponent
Scott Dalton
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
30 tournament appearances · synced Aug 26, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 27, 2004 | Glenview March Round RobinTournament · View matches · USATT readjusted 1,269 → 1,334 | 1,269 | 1,369 | +35+41 / -6 | 8W / 1L |
| Mar 21, 2004 | Milwaukee March MadnessTournament · View matches | 1,324 | 1,269 | -55 | 6W / 8L |
| Feb 21, 2004 | Schaumburg RR OpenTournament · View matches | 1,325 | 1,324 | -1 | 8W / 4L |
| Dec 29, 2003 | Killerspin Open 2003Tournament · View matches · USATT readjusted 1,184 → 1,307 | 1,184 | 1,325 | +18+30 / -12 | 7W / 13L |
| Nov 22, 2003 | Schaumburg RR OpenTournament · View matches | 1,175 | 1,184 | +9+9 / 0 | 9W / 0L |
| Sep 13, 2003 | Glenview Fall TournamentTournament · View matches | 1,176 | 1,175 | -1+3 / -4 | 2W / 8L |
| Aug 23, 2003 | Schaumburg OpenTournament · View matches | 1,008 | 1,176 | +168 | 10W / 1L |
| May 17, 2003 | Glenview Spring TournamentTournament · View matches | 993 | 1,008 | +15+15 / 0 | 3W / 3L |
| Apr 13, 2003 | 39th St. Joseph Valley OpenTournament · View matches | 878 | 993 | +115 | 7W / 5L |
| Mar 8, 2003 | South Bend OpenTournament · View matches · Initial rating 878 | Unrated | 878 | — | 5W / 5L |
21–30 of 30
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