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 |
|---|---|---|---|---|---|
| Mar 9, 2002 | STTC 16th Anni OpenTournament · View matches | 1,206 | 1,200 | -6 | 4W / 6L |
| Feb 16, 2002 | South Bend OpenTournament · View matches | 1,225 | 1,206 | -19+24 / -43 | 5W / 3L |
| Dec 23, 2001 | 2001 USATT NationalsTournament · View matches | 1,174 | 1,225 | +51+65 / -14 | 6W / 5L |
| Oct 20, 2001 | Fox Valley OpenTournament · View matches | 1,167 | 1,174 | +7+7 / 0 | 1W / 1L |
| Oct 6, 2001 | South Bend OpenTournament · View matches | 1,153 | 1,167 | +14+40 / -26 | 5W / 5L |
| Sep 15, 2001 | Benoit Glorieux OpenTournament · View matches | 1,192 | 1,153 | -39+1 / -40 | 1W / 2L |
| Jun 16, 2001 | Schaumburg OpenTournament · View matches | 1,244 | 1,192 | -52+0 / -52 | 0W / 4L |
| May 27, 2001 | 36th St. Joseph Valley OpenTournament · View matches | 1,280 | 1,244 | -36+3 / -39 | 2W / 5L |
| May 5, 2001 | Three Rivers TTC Spring TournaTournament · View matches | 1,282 | 1,280 | -2 | 3W / 2L |
| Mar 18, 2001 | Buckeye Open 2001Tournament · View matches | 1,343 | 1,282 | -61 | 3W / 8L |
| Feb 10, 2001 | Schaumburg Open - ILTournament · View matches | 1,343 | 1,343 | 0+0 / 0 | 0W / 1L |
| Dec 17, 2000 | 2000 USATT National ChampionshipTournament · View matches | 1,293 | 1,343 | +50+82 / -32 | 5W / 6L |
| Jul 15, 2000 | 2000 Midwest & Illinois ClosedTournament · View matches | 1,334 | 1,293 | -41+10 / -51 | 1W / 3L |
| May 28, 2000 | St. Joseph Valley OpenTournament · View matches · USATT readjusted 1,240 → 1,292 | 1,240 | 1,334 | +42+48 / -6 | 4W / 5L |
| May 20, 2000 | Schaumberg OpenTournament · View matches | 1,277 | 1,240 | -37+13 / -50 | 2W / 4L |
| Apr 22, 2000 | South Bend OpenTournament · View matches | 1,296 | 1,277 | -19+2 / -21 | 1W / 3L |
| Mar 19, 2000 | Buckeye Open TTTTournament · View matches | 1,327 | 1,296 | -31 | 4W / 6L |
| Feb 13, 2000 | South Bend Newmar OpenTournament · View matches | 1,307 | 1,327 | +20 | 2W / 8L |
| Dec 19, 1999 | US NationalsTournament · View matches | 1,328 | 1,307 | -21+23 / -44 | 3W / 7L |
| Sep 25, 1999 | Rockford Fall OpenTournament · View matches | 1,347 | 1,328 | -19+9 / -28 | 4W / 5L |