Wins
10
Indexed tournament wins
Player record
Kowalewski, Jason
Losses
7
Indexed tournament losses
Matches
17
Decisive results
Win rate
58.8%
Across indexed matches
Peak rating
1,273
Highest rating in the available history.
Biggest upset
Galindo, Marly
1998 Pacific Rim Open · Nov 8, 1998 · +99 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Borowski, Robert
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 11, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 23, 1999 | 1999 Potomac Spring OpenTournament · View matches | 1,260 | 1,273 | +13 | 4W / 2L |
| Nov 8, 1998 | 1998 Pacific Rim OpenTournament · View matches | 1,214 | 1,260 | +46 | 6W / 3L |
| Nov 16, 1997 | Mini-Pac Rim Oregon ChampionshTournament · View matches | 1,220 | 1,214 | -6+0 / -6 | 0W / 2L |
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