Wins
47
Indexed tournament wins
Player record
Koychev, Anton
Losses
79
Indexed tournament losses
Matches
126
Decisive results
Win rate
37.3%
Across indexed matches
Peak rating
1,854
Highest rating in the available history.
Biggest upset
Aiyegbo, John
NJTTC November Open · Nov 12, 2006 · +454 rating
Open →Biggest loss
Cheunkar, Sarawut
Eastern Open on the 2008 JOOLA · May 25, 2008 · -417 rating
Open →Most frequent opponent
Wang, Allen
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
15 tournament appearances · synced Aug 8, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 28, 2010 | 2010 JOOLA N. American TeamsTournament · View matches | 1,801 | 1,854 | +53 | 7W / 10L |
| Nov 6, 2010 | 9th KamMan-Everbright CupTournament · View matches | 1,797 | 1,801 | +4+4 / 0 | 4W / 1L |
| Oct 31, 2010 | 13th FIT Open TT ChampionshipsTournament · View matches | 1,805 | 1,797 | -8+4 / -12 | 3W / 4L |
| May 23, 2010 | 2010 Eastern Open on the JOOLA NA TourTournament · View matches | 1,812 | 1,805 | -7+0 / -7 | 0W / 4L |
| May 31, 2009 | 2009 Eastern OpenTournament · View matches | 1,831 | 1,812 | -19+2 / -21 | 2W / 7L |
| Nov 30, 2008 | 2008 JOOLA American Teams OpenTournament · View matches | 1,766 | 1,831 | +65 | 5W / 3L |
| Sep 14, 2008 | 2008 NA Tour Finals OpenTournament · View matches | 1,741 | 1,766 | +25+27 / -2 | 3W / 3L |
| May 25, 2008 | Eastern Open on the 2008 JOOLATournament · View matches | 1,741 | 1,741 | 0+43 / -43 | 4W / 8L |
| May 10, 2008 | 4th Everbright Open TT ChampionshipTournament · View matches · USATT readjusted 1,627 → 1,691 | 1,627 | 1,741 | +50+55 / -5 | 2W / 4L |
| Mar 30, 2008 | 8th FIT Open TT ChampionshipsTournament · View matches | 1,635 | 1,627 | -8+3 / -11 | 1W / 5L |
| May 27, 2007 | Eastern OpenTournament · View matches · USATT readjusted 1,522 → 1,587 | 1,522 | 1,635 | +48+59 / -11 | 3W / 9L |
| Apr 1, 2007 | 2007 ACUI College NationalsTournament · View matches | 1,479 | 1,522 | +43+51 / -8 | 2W / 4L |
| Dec 10, 2006 | NJTTC December OpenTournament · View matches | 1,488 | 1,479 | -9+0 / -9 | 0W / 6L |
| Nov 12, 2006 | NJTTC November OpenTournament · View matches | 1,368 | 1,488 | +120 | 8W / 8L |
| May 21, 2006 | 7th Garden State OpenTournament · View matches · Initial rating 1,368 | Unrated | 1,368 | 0+20 / -20 | 3W / 3L |
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