Wins
5
Indexed tournament wins
Player record
Demkowicz, Derek
Losses
10
Indexed tournament losses
Matches
15
Decisive results
Win rate
33.3%
Across indexed matches
Peak rating
1,053
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Dault, Joe
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 8, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 22, 2011 | DAC May OpenTournament · View matches | 1,053 | 1,047 | -6+4 / -10 | 2W / 5L |
| May 1, 2011 | 77th Annual Michigan ClosedTournament · View matches · Initial rating 1,053 | Unrated | 1,053 | — | 3W / 5L |
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