Wins
5
Indexed tournament wins
Player record
Kohan, Alfred
Losses
90
Indexed tournament losses
Matches
95
Decisive results
Win rate
5.3%
Across indexed matches
Peak rating
1,294
Highest rating in the available history.
Biggest upset
Mack, William
Brooklyn TTC December Open · Dec 21, 2008 · +400 rating
Open →Biggest loss
Chertkova, Regina
Brooklyn TTC Open · Nov 12, 2006 · -609 rating
Open →Most frequent opponent
Kushnir, Leonid
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
23 tournament appearances · synced Aug 8, 2026, 2:19 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 31, 2010 | 2010 BTTC OpenTournament · View matches | 1,240 | 1,240 | 0+0 / 0 | 0W / 2L |
| May 10, 2009 | Brooklyn TTC May OpenTournament · View matches | 1,240 | 1,240 | 0+0 / 0 | 0W / 3L |
| Feb 1, 2009 | Brooklyn TTC February OpenTournament · View matches | 1,240 | 1,240 | 0+0 / 0 | 0W / 3L |
| Dec 21, 2008 | Brooklyn TTC December OpenTournament · View matches · USATT readjusted 1,130 → 1,186 | 1,130 | 1,240 | +54+54 / 0 | 2W / 2L |
| Nov 16, 2008 | Brooklyn TTC November OpenTournament · View matches | 1,130 | 1,130 | 0+0 / 0 | 0W / 4L |
| Sep 21, 2008 | Brooklyn TTC September OpenTournament · View matches | 1,130 | 1,130 | 0+0 / 0 | 0W / 4L |
| Jul 20, 2008 | Brooklyn TTC July OpenTournament · View matches | 1,130 | 1,130 | 0+0 / 0 | 0W / 3L |
| May 11, 2008 | Brooklyn TTC May OpenTournament · View matches | 1,130 | 1,130 | 0+0 / 0 | 0W / 4L |
| Mar 16, 2008 | Brookly TTC March OpenTournament · View matches | 1,124 | 1,130 | +6+6 / 0 | 1W / 3L |
| Feb 17, 2008 | Brooklyn TTC February OpenTournament · View matches | 1,111 | 1,124 | +13 | 1W / 3L |
| Dec 9, 2007 | Brooklyn TTC December OpenTournament · View matches | 1,113 | 1,111 | -2+0 / -2 | 0W / 5L |
| Nov 18, 2007 | Brooklyn TTC November OpenTournament · View matches | 1,113 | 1,113 | 0+0 / 0 | 0W / 5L |
| Sep 23, 2007 | Brooklyn TTC September OpenTournament · View matches | 1,113 | 1,113 | 0+0 / 0 | 0W / 3L |
| Jul 22, 2007 | Brooklyn TTC July OpenTournament · View matches | 1,154 | 1,113 | -41+0 / -41 | 0W / 4L |
| Jun 17, 2007 | Brooklyn TTC June OpenTournament · View matches | 1,161 | 1,154 | -7+0 / -7 | 0W / 4L |
| May 13, 2007 | Brooklyn TTC May OpenTournament · View matches | 1,163 | 1,161 | -2+0 / -2 | 0W / 4L |
| Apr 22, 2007 | Brooklyn TTC April OpenTournament · View matches | 1,209 | 1,163 | -46+4 / -50 | 1W / 7L |
| Mar 11, 2007 | Brooklyn TTC March OpenTournament · View matches | 1,219 | 1,209 | -10+0 / -10 | 0W / 5L |
| Dec 10, 2006 | Brooklyn TTC OpenTournament · View matches | 1,225 | 1,219 | -6+0 / -6 | 0W / 5L |
| Nov 12, 2006 | Brooklyn TTC OpenTournament · View matches | 1,294 | 1,225 | -69 | 0W / 7L |
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