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 |
|---|---|---|---|---|---|
| Sep 12, 1999 | 1999 Indianapolis Summer OpenTournament · View matches | 1,356 | 1,347 | -9 | 1W / 12L |
| May 30, 1999 | St. Joseph Valley OpenTournament · View matches | 1,240 | 1,356 | +116 | 6W / 6L |
| May 8, 1999 | Schaumburg OpenTournament · View matches | 1,280 | 1,240 | -40+0 / -40 | 2W / 6L |
| Apr 24, 1999 | St. Louis Spring OpenTournament · View matches | 1,308 | 1,280 | -28 | 2W / 4L |
| Mar 28, 1999 | South Bend OpenTournament · View matches | 1,306 | 1,308 | +2 | 5W / 7L |
| Feb 20, 1999 | Steve Ezzo No Waiting RR OpenTournament · View matches | 1,296 | 1,306 | +10+25 / -15 | 1W / 5L |
| Jan 16, 1999 | Schaumburg $1100 RR OpenTournament · View matches | 1,320 | 1,296 | -24 | 6W / 4L |
| Dec 20, 1998 | 1998 USATT NationalsTournament · View matches | 1,246 | 1,320 | +74 | 6W / 9L |
| Nov 21, 1998 | 1998 Midwest & Illinois ClosedTournament · View matches | 1,242 | 1,246 | +4+14 / -10 | 4W / 3L |
| Oct 10, 1998 | Schaumburg $1200 RR Equal OpenTournament · View matches | 1,225 | 1,242 | +17+53 / -36 | 5W / 5L |
| Aug 29, 1998 | Schaumburg $1110 RR OpenTournament · View matches | 1,264 | 1,225 | -39+23 / -62 | 2W / 7L |
| Aug 16, 1998 | Sun TV OpenTournament · View matches | 1,319 | 1,264 | -55+3 / -58 | 4W / 4L |
| Jun 28, 1998 | South Bend Giant RRTournament · View matches | 1,309 | 1,319 | +10+43 / -33 | 4W / 5L |
| Jun 20, 1998 | Schaumburg OpenTournament · View matches | 1,288 | 1,309 | +21+31 / -10 | 3W / 5L |
| May 10, 1998 | 34th St. Jospeh Valley Open/AlTournament · View matches | 1,302 | 1,288 | -14+16 / -30 | 2W / 6L |
| Apr 25, 1998 | Schaumburg TT 12th AnniversaryTournament · View matches | 1,318 | 1,302 | -16+0 / -16 | 1W / 6L |
| Mar 28, 1998 | Three Rivers TT Classic '98Tournament · View matches | 1,270 | 1,318 | +48+60 / -12 | 2W / 7L |
| Feb 21, 1998 | Schaumburg $1110 February OpenTournament · View matches | 1,283 | 1,270 | -13+0 / -13 | 1W / 1L |
| Dec 21, 1997 | US NationalsTournament · View matches | 1,287 | 1,283 | -4+0 / -4 | 0W / 5L |
| Oct 17, 1997 | Huntsman World Senior GamesTournament · View matches | 1,308 | 1,287 | -21 | 3W / 2L |