Wins
5
Indexed tournament wins
Player record
Koppelman, Brian
Losses
5
Indexed tournament losses
Matches
10
Decisive results
Win rate
50.0%
Across indexed matches
Peak rating
978
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Yap, Gerard
Westchester 2017 November Open · Nov 18, 2017 · -216 rating
Open →Most frequent opponent
Ballesteros, Miguel
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 8, 2026, 2:22 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 18, 2017 | Westchester 2017 November OpenTournament · View matches | 978 | 945 | -33+12 / -45 | 4W / 3L |
| Oct 29, 1995 | $2550 Westside OpenTournament · View matches · Initial rating 978 | Unrated | 978 | — | 1W / 2L |
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