Wins
161
Indexed tournament wins
Player record
Potochnik, John
Losses
180
Indexed tournament losses
Matches
341
Decisive results
Win rate
47.2%
Across indexed matches
Peak rating
1,745
Highest rating in the available history.
Biggest upset
Sharp, Rob
1st Annual Wild Bill Hickok Op · Jul 16, 2005 · +353 rating
Open →Biggest loss
Chamberlain, Peter
OK Spring Open · Mar 20, 1994 · -477 rating
Open →Most frequent opponent
Guy Hendrickson
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
45 tournament appearances · synced Aug 9, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 11, 1995 | Missouri Open AllStar TT ChampionshipTournament · View matches · USATT readjusted 1,546 → 1,613 | 1,546 | 1,632 | +19+41 / -22 | 7W / 4L |
| Jul 22, 1995 | OCTTC Summer OpenTournament · View matches | 1,567 | 1,546 | -21 | 2W / 3L |
| Sep 18, 1994 | Oded Amitz-Lev 1st Annual MemoTournament · View matches | 1,517 | 1,567 | +50 | 5W / 3L |
| Jul 23, 1994 | OCTTC Summer OpenTournament · View matches | 1,507 | 1,517 | +10+18 / -8 | 3W / 4L |
| Mar 20, 1994 | OK Spring OpenTournament · View matches | 1,583 | 1,507 | -76+5 / -81 | 4W / 4L |
41–45 of 45
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