Wins
257
Indexed tournament wins
Player record
Krzysztof Szostak
Losses
191
Indexed tournament losses
Matches
448
Decisive results
Win rate
57.4%
Across indexed matches
Peak rating
2,086
Highest rating in the available history.
Biggest upset
Darren Tang
America's Team Championship · May 25, 2019 · +178 rating
Open →Biggest loss
Roman Sivkov
2018 Aurora Cup · Jan 12, 2018 · -202 rating
Open →Most frequent opponent
Igor Falchuk
15 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
58 tournament appearances · synced Aug 29, 2026, 2:25 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 19, 2014 | 2014 Butterfly Aurora CupTournament · View matches | 1,966 | 1,967 | +1+17 / -16 | 5W / 2L |
| Nov 16, 2013 | November OpenTournament · View matches | 1,963 | 1,966 | +3+16 / -13 | 6W / 1L |
| Oct 6, 2013 | 2013 Aurora Fall OpenTournament · View matches | 1,945 | 1,963 | +18 | 4W / 0L |
| Sep 28, 2013 | Fall OpenTournament · View matches | 1,943 | 1,945 | +2+33 / -31 | 4W / 3L |
| Sep 1, 2013 | Butterfly Teams ChampionshipsTournament · View matches | 1,941 | 1,943 | +2 | 9W / 4L |
| Jul 27, 2013 | Schaumburg Summer OpenTournament · View matches | 1,903 | 1,941 | +38+42 / -4 | 8W / 2L |
| Jun 29, 2013 | Wheeling Summer OpenTournament · View matches | 1,920 | 1,903 | -17+10 / -27 | 1W / 5L |
| Jun 16, 2013 | Aurora Summer OpenTournament · View matches | 1,944 | 1,920 | -24+0 / -24 | 4W / 2L |
| May 26, 2013 | America's Team ChampionshipTournament · View matches | 1,899 | 1,944 | +45+58 / -13 | 7W / 6L |
| Apr 20, 2013 | Vernon Hills Spring Open 1 StarTournament · View matches | 1,895 | 1,899 | +4+17 / -13 | 5W / 4L |
| Mar 16, 2013 | St. Patrick's Day OpenTournament · View matches | 1,952 | 1,895 | -57+6 / -63 | 1W / 5L |
| Feb 2, 2013 | Chinese New Year OpenTournament · View matches | 1,956 | 1,952 | -4+14 / -18 | 5W / 2L |
| Dec 15, 2012 | Illinois State ChampionshipTournament · View matches | 1,969 | 1,956 | -13+0 / -13 | 3W / 1L |
| Nov 17, 2012 | Thanksgiving OpenTournament · View matches | 1,956 | 1,969 | +13+15 / -2 | 4W / 2L |
| Aug 25, 2012 | Vernon Hills Summer Open 1 StarTournament · View matches | 1,955 | 1,956 | +1+10 / -9 | 7W / 3L |
| Jun 24, 2012 | Infogix Aurora OpenTournament · View matches | 1,946 | 1,955 | +9+23 / -14 | 6W / 2L |
| Jun 16, 2012 | Wheeling Summer Open 1 StarTournament · View matches | 1,957 | 1,946 | -11+16 / -27 | 3W / 3L |
| May 27, 2012 | America's Team ChampionshipsTournament · View matches · Initial rating 1,957 | Unrated | 1,957 | — | 14W / 5L |
41–58 of 58
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