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 28, 2007 | April OpenTournament · View matches | 1,814 | 1,806 | -8+0 / -8 | 2W / 2L |
| Dec 9, 2006 | December OpenTournament · View matches | 1,791 | 1,814 | +23+26 / -3 | 4W / 3L |
| Oct 28, 2006 | October OpenTournament · View matches · USATT readjusted 1,669 → 1,733 | 1,669 | 1,791 | +58+58 / 0 | 3W / 3L |
| Sep 30, 2006 | September OpenTournament · View matches | 1,714 | 1,669 | -45+0 / -45 | 0W / 7L |
| Apr 2, 2006 | 2006 Michigan ClosedTournament · View matches | 1,723 | 1,714 | -9+1 / -10 | 3W / 5L |
| Mar 25, 2006 | March OpenTournament · View matches | 1,731 | 1,723 | -8+20 / -28 | 2W / 4L |
| Feb 25, 2006 | February OpenTournament · View matches | 1,707 | 1,731 | +24+24 / 0 | 7W / 2L |
| Dec 10, 2005 | December OpenTournament · View matches | 1,735 | 1,707 | -28 | 2W / 4L |
| Nov 19, 2005 | November OpenTournament · View matches | 1,600 | 1,735 | +135 | 9W / 3L |
| Oct 29, 2005 | October OpenTournament · View matches | 1,506 | 1,600 | +94 | 5W / 2L |
| Mar 20, 2005 | Michigan Closed TT ChampionshiTournament · View matches | 1,473 | 1,506 | +33+39 / -6 | 4W / 3L |
| Mar 12, 2005 | March OpenTournament · View matches | 1,461 | 1,473 | +12 | 6W / 4L |
| Jan 29, 2005 | January OpenTournament · View matches | 1,514 | 1,461 | -53+15 / -68 | 7W / 7L |
| May 29, 2004 | May OpenTournament · View matches | 1,521 | 1,514 | -7 | 6W / 6L |
| Apr 25, 2004 | Michigan Closed TT ChampionshipTournament · View matches | 1,512 | 1,521 | +9+32 / -23 | 5W / 4L |
| Dec 13, 2003 | December OpenTournament · View matches | 1,546 | 1,512 | -34 | 3W / 2L |
| Nov 8, 2003 | Dayton Giant RR OpenTournament · View matches | 1,577 | 1,546 | -31 | 1W / 7L |
| Nov 26, 1995 | US Open Team ChampionshipsTournament · View matches | 1,474 | 1,577 | +103 | 17W / 12L |
| Nov 11, 1995 | Grand Rapids Nov. OpenTournament · View matches | 1,451 | 1,474 | +23+30 / -7 | 4W / 4L |
| May 29, 1995 | St. Joseph Valley, No. AmericaTournament · View matches | 1,448 | 1,451 | +3+21 / -18 | 6W / 4L |
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