Wins
412
Indexed tournament wins
Player record
Dorn, Jon
Losses
305
Indexed tournament losses
Matches
717
Decisive results
Win rate
57.5%
Across indexed matches
Peak rating
2,027
Highest rating in the available history.
Biggest upset
Wei, Tianhan
2017 Austin Winter Open · Jan 21, 2017 · +538 rating
Open →Biggest loss
Kushnir, Vasyl
US Open · Dec 17, 2019 · -1389 rating
Open →Most frequent opponent
Medcalf, Randall
9 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
70 tournament appearances · synced Aug 8, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 7, 1997 | Central Texas RRTournament · View matches | 1,928 | 1,920 | -8+2 / -10 | 4W / 3L |
| Apr 26, 1997 | Houston TTC Two-Man Team UnderTournament · View matches | 2,013 | 1,928 | -85+12 / -97 | 5W / 5L |
| Dec 22, 1996 | 1996 U.S. NationalsTournament · View matches | 1,971 | 2,013 | +42 | 4W / 5L |
| Oct 27, 1996 | Southern OpenTournament · View matches | 1,924 | 1,971 | +47+56 / -9 | 7W / 4L |
| Sep 22, 1996 | Louisiana OpenTournament · View matches | 1,861 | 1,924 | +63+76 / -13 | 4W / 9L |
| May 5, 1996 | Texas OpenTournament · View matches · USATT readjusted 1,783 → 1,837 | 1,783 | 1,868 | +31+39 / -8 | 10W / 3L |
| Mar 9, 1996 | Harlingen Spring Open RRTournament · View matches | 1,749 | 1,783 | +34+44 / -10 | 7W / 2L |
| Jul 29, 1995 | Waco Summer RRTournament · View matches | 1,761 | 1,749 | -12+10 / -22 | 5W / 4L |
| Feb 19, 1995 | Irving Round RobinTournament · View matches | 1,746 | 1,781 | +35 | 6W / 5L |
| Dec 10, 1994 | Waco Winter RRTournament · View matches | 1,773 | 1,744 | -29 | 5W / 5L |
61–70 of 70
PreviousPage 4 of 4