Wins
144
Indexed tournament wins
Player record
O'Donnell, Jonathan
Losses
170
Indexed tournament losses
Matches
314
Decisive results
Win rate
45.9%
Across indexed matches
Peak rating
1,876
Highest rating in the available history.
Biggest upset
Ackerman, Neil
Sun TV Open · Aug 16, 1998 · +264 rating
Open →Biggest loss
Arcaro, Ronald
2003 Millcreek Open · Oct 19, 2003 · -238 rating
Open →Most frequent opponent
Carney, A.J.
7 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
36 tournament appearances · synced Aug 9, 2026, 2:19 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 16, 1998 | Sun TV OpenTournament · View matches | 1,707 | 1,743 | +36+50 / -14 | 2W / 10L |
| Aug 9, 1998 | 1998 AAU Junior OlympicsTournament · View matches | 1,730 | 1,727 | -3+0 / -3 | 1W / 3L |
| Aug 8, 1998 | 1998 Jr. NationalsTournament · View matches | 1,727 | 1,727 | 0+0 / 0 | 0W / 1L |
| Aug 7, 1998 | 1998 Jr Oly TeamsTournament · View matches | 1,727 | 1,707 | -20+0 / -20 | 0W / 1L |
| Mar 14, 1998 | March Madness Canton OpenTournament · View matches | 1,697 | 1,730 | +33+40 / -7 | 1W / 1L |
| Mar 1, 1998 | Rochester Giant RRTournament · View matches · USATT readjusted 1,558 → 1,674 | 1,558 | 1,697 | +23+45 / -22 | 10W / 2L |
| Nov 30, 1997 | US Open Teams ChampionshipsTournament · View matches | 1,590 | 1,558 | -32 | 6W / 11L |
| Nov 2, 1997 | 1997 Sports Garden OpenTournament · View matches | 1,590 | 1,615 | +25+106 / -81 | 10W / 10L |
| Oct 19, 1997 | 1997 Millcreek OpenTournament · View matches | 1,433 | 1,453 | +20+28 / -8 | 7W / 12L |
| Aug 17, 1997 | Sun TV OpenTournament · View matches | 1,297 | 1,433 | +136 | 7W / 8L |
| Apr 5, 1997 | Walt Stephens Memorial OpenTournament · View matches | 1,256 | 1,297 | +41 | 3W / 5L |
| Mar 2, 1997 | Rochester Giant RRTournament · View matches | 1,159 | 1,256 | +97 | 8W / 8L |
| Dec 22, 1996 | 1996 U.S. NationalsTournament · View matches | 1,117 | 1,159 | +42 | 7W / 6L |
| Oct 19, 1996 | Genesee Valley OpenTournament · View matches | 933 | 1,117 | +184 | 7W / 1L |
| Apr 27, 1996 | Rochester OpenTournament · View matches | 933 | 933 | 0+0 / 0 | 0W / 3L |
| Mar 3, 1996 | Lake Ontario Giant RRTournament · View matches · Initial rating 933 | Unrated | 933 | — | 4W / 7L |
21–36 of 36
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