Wins
257
Indexed tournament wins
Player record
Szostak, Krzysztof
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
Sivkov, Roman
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 13, 2026, 2:19 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 9, 2016 | 2016 Aurora Spring OpenTournament · View matches | 2,017 | 2,025 | +8+31 / -23 | 4W / 2L |
| Apr 2, 2016 | Spring OpenTournament · View matches | 2,020 | 2,017 | -3+19 / -22 | 2W / 5L |
| Jan 15, 2016 | 2016 Aurora CupTournament · View matches | 2,023 | 2,020 | -3+9 / -12 | 5W / 2L |
| Dec 5, 2015 | 2015 MTTC December Team OpenTournament · View matches | 2,026 | 2,023 | -3+10 / -13 | 5W / 1L |
| Aug 30, 2015 | 2015 Aurora Fall OpenTournament · View matches | 2,017 | 2,026 | +9+20 / -11 | 1W / 6L |
| May 24, 2015 | America's Team ChampionshipTournament · View matches | 2,000 | 2,017 | +17+41 / -24 | 9W / 4L |
| Apr 18, 2015 | 2015 Joola Aurora Spring OpenTournament · View matches | 1,996 | 2,000 | +4+20 / -16 | 2W / 5L |
| Mar 28, 2015 | 2015 MTTC Team OpenTournament · View matches | 1,997 | 1,996 | -1 | 4W / 3L |
| Jan 18, 2015 | 2015 Butterfly Aurora CupTournament · View matches | 1,989 | 1,997 | +8+32 / -24 | 12W / 4L |
| Nov 29, 2014 | Vernon Hills Fall OpenTournament · View matches | 1,972 | 1,989 | +17+17 / 0 | 5W / 0L |
| Nov 15, 2014 | Schaumberg Fall OpenTournament · View matches | 1,970 | 1,972 | +2+26 / -24 | 4W / 3L |
| Oct 11, 2014 | Aurora Fall OpenTournament · View matches | 1,945 | 1,970 | +25+42 / -17 | 4W / 3L |
| Jul 26, 2014 | Summer OpenTournament · View matches | 1,947 | 1,945 | -2+21 / -23 | 4W / 2L |
| Jun 28, 2014 | Wheeling Summer Open 1 StarTournament · View matches | 1,973 | 1,947 | -26+0 / -26 | 0W / 7L |
| Jun 14, 2014 | Aurora Summer OpenTournament · View matches | 1,982 | 1,973 | -9+6 / -15 | 2W / 3L |
| May 25, 2014 | America's Team ChampionshipTournament · View matches | 1,950 | 1,982 | +32+82 / -50 | 6W / 7L |
| May 10, 2014 | May OpenTournament · View matches | 1,913 | 1,950 | +37+40 / -3 | 6W / 1L |
| Apr 5, 2014 | Aurora Spring OpenTournament · View matches | 1,936 | 1,913 | -23+7 / -30 | 1W / 6L |
| Mar 22, 2014 | Spring OpenTournament · View matches | 1,940 | 1,936 | -4+8 / -12 | 4W / 2L |
| Mar 1, 2014 | 2014 MTTC Team OpenTournament · View matches | 1,967 | 1,940 | -27+6 / -33 | 4W / 4L |