Wins
7
Indexed tournament wins
Player record
Kern, John
Losses
14
Indexed tournament losses
Matches
21
Decisive results
Win rate
33.3%
Across indexed matches
Peak rating
706
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Brindel, Gerry
2007 Michigan Closed · Apr 1, 2007 · -95 rating
Open →Most frequent opponent
Wang, Zhao
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 11, 2026, 2:30 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 1, 2007 | 2007 Michigan ClosedTournament · View matches | 706 | 676 | -30+6 / -36 | 2W / 6L |
| Apr 2, 2006 | 2006 Michigan ClosedTournament · View matches · Initial rating 706 | Unrated | 706 | — | 5W / 8L |
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