Wins
6
Indexed tournament wins
Player record
Kosylak, Boguslaw
Losses
4
Indexed tournament losses
Matches
10
Decisive results
Win rate
60.0%
Across indexed matches
Peak rating
1,709
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
George Williams
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Rating history unavailable
More published rating points are needed before a trajectory can be drawn.
Tournament history
1 tournament appearances · synced Aug 19, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 12, 2003 | Maryland CircuitTournament · View matches · Initial rating 1,709 | Unrated | 1,709 | — | 6W / 4L |
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