Wins
21
Indexed tournament wins
Player record
Jerzy Poniedzialek
Losses
12
Indexed tournament losses
Matches
33
Decisive results
Win rate
63.6%
Across indexed matches
Peak rating
1,931
Highest rating in the available history.
Biggest upset
Rodney Lock
U.S. Open Championships · Jul 7, 2007 · +23 rating
Open →Biggest loss
James Morris
Huntsman World Senior Games · Oct 11, 2007 · -53 rating
Open →Most frequent opponent
Morris Leichter
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
4 tournament appearances · synced Aug 26, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 18, 2007 | SOAR OpenTournament · View matches | 1,899 | 1,931 | +32+34 / -2 | 9W / 1L |
| Oct 11, 2007 | Huntsman World Senior GamesTournament · View matches | 1,911 | 1,899 | -12+9 / -21 | 5W / 5L |
| Aug 19, 2007 | Best of the West OpenTournament · View matches | 1,912 | 1,911 | -1+3 / -4 | 2W / 2L |
| Jul 7, 2007 | U.S. Open ChampionshipsTournament · View matches | 1,904 | 1,912 | +8+18 / -10 | 5W / 4L |
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