Wins
62
Indexed tournament wins
Player record
Mariusz Merchut
Losses
80
Indexed tournament losses
Matches
142
Decisive results
Win rate
43.7%
Across indexed matches
Peak rating
2,144
Highest rating in the available history.
Biggest upset
Janusz Franeczek
2018 Badger Open · Sep 14, 2018 · +377 rating
Open →Biggest loss
Sam Kim
Spring Open · Mar 21, 2015 · -221 rating
Open →Most frequent opponent
Zbigniew Jablonski
4 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
24 tournament appearances · synced Aug 26, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 5, 2013 | Morton Grove Winter Open 1 StarTournament · View matches | 1,815 | 1,806 | -9+10 / -19 | 1W / 5L |
| Nov 17, 2012 | Thanksgiving OpenTournament · View matches | 1,812 | 1,815 | +3+14 / -11 | 4W / 3L |
| Oct 21, 2012 | Rockford Fall OpenTournament · View matches | 1,826 | 1,812 | -14+15 / -29 | 3W / 4L |
| Aug 25, 2012 | Vernon Hills Summer Open 1 StarTournament · View matches · Initial rating 1,826 | Unrated | 1,826 | -14+0 / -14 | 0W / 3L |
21–24 of 24
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