Wins
274
Indexed tournament wins
Player record
Henry Kostkowski
Losses
267
Indexed tournament losses
Matches
541
Decisive results
Win rate
50.6%
Across indexed matches
Peak rating
1,533
Highest rating in the available history.
Biggest upset
TerriLee Bell
Maryland Closed Championship · Jun 2, 2007 · +416 rating
Open →Biggest loss
Chen, Raymond D.
Maryland October Circuit Teams · Oct 28, 2000 · -903 rating
Open →Most frequent opponent
Van Wright, William
24 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
72 tournament appearances · synced Aug 9, 2026, 4:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 24, 2002 | Maryland Giant RRTournament · View matches | 1,343 | 1,343 | 0+20 / -20 | 1W / 6L |
| Jul 27, 2002 | Maryland Giant RRTournament · View matches | 1,350 | 1,343 | -7+0 / -7 | 0W / 4L |
| Jun 22, 2002 | Maryland Giant RRTournament · View matches | 1,351 | 1,350 | -1+14 / -15 | 7W / 2L |
| May 18, 2002 | Maryland Giant RRTournament · View matches | 1,360 | 1,351 | -9+16 / -25 | 7W / 1L |
| Apr 27, 2002 | Maryland State ClosedTournament · View matches | 1,350 | 1,360 | +10+17 / -7 | 4W / 4L |
| Mar 23, 2002 | Maryland Giant RRTournament · View matches | 1,312 | 1,350 | +38+38 / 0 | 9W / 0L |
| Feb 23, 2002 | Maryland Giant RRTournament · View matches | 1,307 | 1,312 | +5 | 7W / 6L |
| Dec 2, 2001 | Maryland December CircuitTournament · View matches | 1,357 | 1,307 | -50+21 / -71 | 6W / 6L |
| Oct 27, 2001 | Maryland Oct. Circuit - Giant Tournament · View matches | 1,444 | 1,357 | -87 | 4W / 3L |
| Sep 22, 2001 | Maryland Sept. Circuit - GiantTournament · View matches | 1,398 | 1,444 | +46 | 2W / 3L |
| Aug 25, 2001 | Maryland Aug. Circuit - Giant Tournament · View matches | 1,405 | 1,398 | -7+2 / -9 | 1W / 8L |
| Jun 23, 2001 | Maryland June Circuit - Giant Tournament · View matches | 1,412 | 1,405 | -7+0 / -7 | 1W / 4L |
| Jun 17, 2001 | Matthew Murad Memorial Open - Tournament · View matches | 1,522 | 1,412 | -110+0 / -110 | 0W / 3L |
| May 26, 2001 | Maryland May Circuit - Giant RTournament · View matches | 1,501 | 1,522 | +21+26 / -5 | 5W / 1L |
| Mar 24, 2001 | Maryland State ClosedTournament · View matches | 1,533 | 1,501 | -32+0 / -32 | 1W / 2L |
| Feb 24, 2001 | Maryland Feb. Circuit Giant RRTournament · View matches | 1,417 | 1,533 | +116 | 5W / 3L |
| Jan 27, 2001 | Maryland Jan. Circuit Giant RRTournament · View matches | 1,414 | 1,417 | +3 | 1W / 6L |
| Jan 14, 2001 | Maryland January CircuitTournament · View matches | 1,419 | 1,414 | -5+3 / -8 | 4W / 1L |
| Oct 28, 2000 | Maryland October Circuit TeamsTournament · View matches | 1,457 | 1,370 | -87+0 / -87 | 2W / 5L |
| May 21, 2000 | Maryland May CircuitTournament · View matches | 1,481 | 1,457 | -24+2 / -26 | 3W / 2L |