Wins
43
Indexed tournament wins
Player record
Koval, Jason
Losses
59
Indexed tournament losses
Matches
102
Decisive results
Win rate
42.2%
Across indexed matches
Peak rating
1,737
Highest rating in the available history.
Biggest upset
Gabbidon, Ian
Maryland Giant RR · Feb 18, 2012 · +636 rating
Open →Biggest loss
Tran, Sabrina
Maryland Giant RR · Aug 20, 2011 · -289 rating
Open →Most frequent opponent
Ganzermiller, Ronald
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
15 tournament appearances · synced Aug 8, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 30, 2017 | 2017 San Antonio Fall OpenTournament · View matches | 1,737 | 1,737 | 0+0 / 0 | 1W / 0L |
| Apr 13, 2013 | Maryland CircuitTournament · View matches | 1,732 | 1,737 | +5+13 / -8 | 2W / 4L |
| Dec 8, 2012 | Maryland Giant RRTournament · View matches | 1,731 | 1,732 | +1+1 / 0 | 8W / 0L |
| Nov 25, 2012 | 2012 JOOLA N. American Teams OTournament · View matches | 1,387 | 1,731 | +344 | 14W / 5L |
| Nov 17, 2012 | Maryland Giant RRTournament · View matches · USATT readjusted 1,292 → 1,342 | 1,292 | 1,387 | +45+45 / 0 | 1W / 8L |
| Nov 11, 2012 | 2012 Potomac Fall OpenTournament · View matches | 1,284 | 1,292 | +8+8 / 0 | 1W / 5L |
| Oct 27, 2012 | Manor Pumpkin Patch 2 Person TeamsTournament · View matches · USATT readjusted 1,186 → 1,236 | 1,186 | 1,284 | +48+51 / -3 | 3W / 9L |
| Jul 14, 2012 | Maryland CircuitTournament · View matches | 987 | 1,186 | +199 | 4W / 2L |
| May 26, 2012 | Maryland Giant RRTournament · View matches | 979 | 987 | +8+8 / 0 | 4W / 2L |
| May 12, 2012 | Maryland CircuitTournament · View matches | 979 | 979 | 0+0 / 0 | 0W / 3L |
| Mar 10, 2012 | Maryland CircuitTournament · View matches | 954 | 979 | +25 | 1W / 0L |
| Feb 18, 2012 | Maryland Giant RRTournament · View matches · USATT readjusted 854 → 904 | 854 | 954 | +50+50 / 0 | 1W / 5L |
| Feb 4, 2012 | Maryland CircuitTournament · View matches | 854 | 854 | 0+0 / 0 | 2W / 4L |
| Aug 20, 2011 | Maryland Giant RRTournament · View matches | 857 | 854 | -3 | 1W / 7L |
| Jun 18, 2011 | Maryland Giant RRTournament · View matches · Initial rating 857 | Unrated | 857 | — | 0W / 5L |
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