Wins
8
Indexed tournament wins
Player record
Jachin, Witold
Losses
8
Indexed tournament losses
Matches
16
Decisive results
Win rate
50.0%
Across indexed matches
Peak rating
1,287
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Olivier, Alyssa K.
US Nationals · Dec 18, 1994 · -700 rating
Open →Most frequent opponent
Bivins, Reuben
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
4 tournament appearances · synced Aug 8, 2026, 2:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 18, 1994 | US NationalsTournament · View matches | 1,287 | 1,152 | -135+0 / -135 | 0W / 4L |
| Aug 28, 1994 | Florida State ClosedTournament · View matches | 1,285 | 1,287 | +2+2 / 0 | 1W / 3L |
| Apr 10, 1994 | South Florida Spring OpenTournament · View matches · Initial rating 1,285 | Unrated | 1,285 | — | 7W / 0L |
| Apr 9, 1994 | Rialto Spring OpenTournament · View matches | Unrated | 178 | — | 0W / 1L |
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