Wins
321
Indexed tournament wins
Player record
Daniel Koscielski
Losses
568
Indexed tournament losses
Matches
889
Decisive results
Win rate
36.1%
Across indexed matches
Peak rating
1,368
Highest rating in the available history.
Biggest upset
Tim Boggan
2005 US Nationals Championship · Dec 17, 2005 · +557 rating
Open →Biggest loss
Popatia, Shahid
2000 Midwest & Illinois Closed · Jul 15, 2000 · -705 rating
Open →Most frequent opponent
Hagerstrand, Robert
14 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
109 tournament appearances · synced Aug 8, 2026, 3:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 16, 2006 | U.S. National ChampionshipsTournament · View matches | 1,261 | 1,237 | -24+0 / -24 | 0W / 9L |
| Nov 19, 2006 | 3rd Annual Highland OpenTournament · View matches | 1,310 | 1,261 | -49+0 / -49 | 1W / 2L |
| Oct 22, 2006 | Rockford Fall OpenTournament · View matches | 1,328 | 1,310 | -18 | 0W / 3L |
| Jun 24, 2006 | STTC 20th Anniversary OpenTournament · View matches · USATT readjusted 1,368 → 1,353 | 1,368 | 1,328 | -25+10 / -35 | 5W / 1L |
| Jun 10, 2006 | CTTC Glenview Summer RR OpenTournament · View matches · USATT readjusted 1,275 → 1,330 | 1,275 | 1,368 | +38+43 / -5 | 2W / 4L |
| Apr 22, 2006 | Killerspin Multiplex Spring OpenTournament · View matches | 1,291 | 1,275 | -16+0 / -16 | 0W / 6L |
| Feb 11, 2006 | Chinese New Year OpenTournament · View matches | 1,291 | 1,291 | 0+0 / 0 | 0W / 3L |
| Dec 30, 2005 | 2005 Killerspin Holiday OpenTournament · View matches | 1,317 | 1,291 | -26+8 / -34 | 3W / 3L |
| Dec 17, 2005 | 2005 US Nationals ChampionshipTournament · View matches | 1,133 | 1,317 | +184 | 6W / 10L |
| Oct 23, 2005 | Highland OpenTournament · View matches | 1,182 | 1,133 | -49+13 / -62 | 4W / 5L |
| Oct 15, 2005 | Cincinnati Fall 2005 Giant RRTournament · View matches | 1,185 | 1,182 | -3+62 / -65 | 3W / 8L |
| Sep 11, 2005 | 2005 St. Louis Gateway OpenTournament · View matches | 1,169 | 1,185 | +16 | 6W / 2L |
| Aug 27, 2005 | Schaumburg August OpenTournament · View matches | 1,169 | 1,169 | 0+0 / 0 | 0W / 3L |
| Jul 2, 2005 | CTTC Independence Day OpenTournament · View matches | 1,169 | 1,169 | 0+0 / 0 | 0W / 8L |
| May 22, 2005 | St. Joseph Valley OpenTournament · View matches | 1,156 | 1,169 | +13+23 / -10 | 4W / 4L |
| Apr 24, 2005 | Buckeye Open 2005Tournament · View matches | 1,188 | 1,156 | -32 | 4W / 7L |
| Apr 16, 2005 | Rockford Spring Open 2005Tournament · View matches | 1,272 | 1,188 | -84 | 2W / 3L |
| Apr 10, 2005 | Killerspin RR Spring Open 2005Tournament · View matches | 1,213 | 1,272 | +59+63 / -4 | 2W / 5L |
| Dec 28, 2004 | Killerspin Holiday Classic OpenTournament · View matches | 1,255 | 1,213 | -42 | 2W / 3L |
| Dec 18, 2004 | 2004 USA Nationals ChampionshipTournament · View matches | 1,190 | 1,255 | +65+107 / -42 | 5W / 10L |
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