Wins
78
Indexed tournament wins
Player record
Grzegorz Kasperski
Losses
162
Indexed tournament losses
Matches
240
Decisive results
Win rate
32.5%
Across indexed matches
Peak rating
1,797
Highest rating in the available history.
Biggest upset
Arcot Naresh
Vernon Hills Spring Open · Apr 26, 2014 · +397 rating
Open →Biggest loss
Bogdan Palarz
2018 Aurora Cup · Jan 12, 2018 · -477 rating
Open →Most frequent opponent
Sok Su Kim
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
36 tournament appearances · synced Aug 26, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 26, 2014 | Vernon Hills Spring OpenTournament · View matches · USATT readjusted 1,571 → 1,634 | 1,571 | 1,686 | +52+63 / -11 | 2W / 4L |
| Apr 5, 2014 | Aurora Spring OpenTournament · View matches | 1,607 | 1,571 | -36+18 / -54 | 3W / 4L |
| Mar 22, 2014 | Spring OpenTournament · View matches | 1,611 | 1,607 | -4+9 / -13 | 3W / 7L |
| Feb 1, 2014 | Chinese New Year OpenTournament · View matches | 1,623 | 1,611 | -12+24 / -36 | 4W / 2L |
| Apr 14, 2012 | Vernon Hills Spring Open 1 StarTournament · View matches | 1,593 | 1,623 | +30+35 / -5 | 1W / 5L |
| Mar 17, 2012 | St. Patricks Day OpenTournament · View matches | 1,543 | 1,593 | +50+60 / -10 | 2W / 4L |
| Nov 5, 2011 | Schaumburg Fall OpenTournament · View matches | 1,545 | 1,543 | -2+0 / -2 | 1W / 5L |
| Sep 10, 2011 | Labor Day OpenTournament · View matches · USATT readjusted 1,467 → 1,523 | 1,467 | 1,545 | +22+47 / -25 | 4W / 3L |
| Jun 11, 2011 | Wheeling Summer OpenTournament · View matches | 1,467 | 1,467 | 0+8 / -8 | 1W / 5L |
| Jan 22, 2011 | Winter OpenTournament · View matches | 1,467 | 1,467 | 0+0 / 0 | 0W / 6L |
| Nov 6, 2010 | Fall OpenTournament · View matches | 1,499 | 1,467 | -32+5 / -37 | 2W / 4L |
| Sep 4, 2010 | Labor Day OpenTournament · View matches | 1,514 | 1,499 | -15+10 / -25 | 1W / 6L |
| Jul 31, 2010 | Schaumburg Summer OpenTournament · View matches | 1,484 | 1,514 | +30+62 / -32 | 5W / 3L |
| Jun 12, 2010 | Wheeling Spring OpenTournament · View matches | 1,477 | 1,484 | +7+7 / 0 | 1W / 5L |
| Jan 23, 2010 | Schaumburg January OpenTournament · View matches · USATT readjusted 1,513 → 1,500 | 1,513 | 1,477 | -23+14 / -37 | 2W / 5L |
| Nov 7, 2009 | Schaumburg Fall OpenTournament · View matches · Initial rating 1,513 | Unrated | 1,513 | -19+15 / -34 | 2W / 5L |
21–36 of 36
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