Wins
124
Indexed tournament wins
Player record
Kasowski, Leszek
Losses
85
Indexed tournament losses
Matches
209
Decisive results
Win rate
59.3%
Across indexed matches
Peak rating
1,778
Highest rating in the available history.
Biggest upset
Frank Zandpour
Pacific Coast Open · Sep 12, 1999 · +440 rating
Open →Biggest loss
Wendy Eav
Golden Western States Open · Feb 6, 2000 · -421 rating
Open →Most frequent opponent
Bob Chew
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
27 tournament appearances · synced Aug 8, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 7, 2000 | San Diego Spring OpenTournament · View matches · USATT readjusted 1,423 → 1,483 | 1,423 | 1,532 | +49+66 / -17 | 5W / 3L |
| Feb 6, 2000 | Golden Western States OpenTournament · View matches | 1,455 | 1,423 | -32+6 / -38 | 2W / 3L |
| Nov 7, 1999 | High Desert OpenTournament · View matches | 1,495 | 1,455 | -40+11 / -51 | 3W / 4L |
| Oct 3, 1999 | San Diego 40th Anniversary OpeTournament · View matches | 1,463 | 1,495 | +32 | 13W / 6L |
| Sep 19, 1999 | Lake Havasu OpenTournament · View matches | 1,480 | 1,463 | -17 | 8W / 6L |
| Sep 12, 1999 | Pacific Coast OpenTournament · View matches | 1,117 | 1,480 | +363 | 11W / 4L |
| Jun 27, 1999 | California State OpenTournament · View matches · Initial rating 1,117 | Unrated | 1,117 | — | 1W / 3L |
21–27 of 27
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