Wins
130
Indexed tournament wins
Player record
Jonathan Serman
Losses
116
Indexed tournament losses
Matches
246
Decisive results
Win rate
52.8%
Across indexed matches
Peak rating
1,814
Highest rating in the available history.
Biggest upset
Gerald Naugle
1994 Michigan State Championsh · Apr 30, 1994 · +335 rating
Open →Biggest loss
James Barton
January Open · Jan 29, 2005 · -316 rating
Open →Most frequent opponent
Donald Hinshaw
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
27 tournament appearances · synced Aug 26, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 1, 1995 | 1995 Michigan State ChampionshipTournament · View matches | 1,452 | 1,448 | -4+8 / -12 | 8W / 5L |
| Nov 27, 1994 | US TeamsTournament · View matches | 1,377 | 1,452 | +75 | 10W / 4L |
| May 29, 1994 | St. Joseph Valley OpenTournament · View matches | 1,343 | 1,377 | +34+47 / -13 | 7W / 6L |
| Apr 30, 1994 | 1994 Michigan State ChampionshTournament · View matches | 1,302 | 1,343 | +41+50 / -9 | 3W / 4L |
| Apr 10, 1994 | Hornyak Cup (Midwest League)Tournament · View matches | 1,267 | 1,302 | +35+36 / -1 | 3W / 3L |
| Mar 19, 1994 | Hornyak CupTournament · View matches | 1,275 | 1,267 | -8+0 / -8 | 1W / 5L |
| Feb 13, 1994 | Hornyak CupTournament · View matches | 1,256 | 1,275 | +19+20 / -1 | 2W / 1L |
21–27 of 27
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