Wins
1
Indexed tournament wins
Player record
Summers, Dan
Losses
15
Indexed tournament losses
Matches
16
Decisive results
Win rate
6.3%
Across indexed matches
Peak rating
1,489
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Betty Kostkowski
Maryland State Closed · Mar 24, 2001 · -989 rating
Open →Most frequent opponent
Mark Cohen
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 9, 2026, 2:27 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 9, 2001 | Maryland June CircuitTournament · View matches | 1,179 | 1,147 | -32+1 / -33 | 1W / 3L |
| Mar 24, 2001 | Maryland State ClosedTournament · View matches | 1,489 | 1,179 | -310 | 0W / 6L |
| Feb 4, 2001 | Maryland February CircuitTournament · View matches · Initial rating 1,489 | Unrated | 1,489 | — | 0W / 6L |
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