Wins
60
Indexed tournament wins
Player record
Takahashi, Kosei
Losses
26
Indexed tournament losses
Matches
86
Decisive results
Win rate
69.8%
Across indexed matches
Peak rating
1,985
Highest rating in the available history.
Biggest upset
Xu, Bin
2003 BSTTC & GEWO Best of Five · Oct 12, 2003 · +584 rating
Open →Biggest loss
Betts, Steve
Macy Block Giant RR Open · Feb 16, 2008 · -134 rating
Open →Most frequent opponent
Chaung, Alex
4 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
11 tournament appearances · synced Aug 12, 2026, 2:18 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 9, 2008 | Macy Block Columbus OpenTournament · View matches | 1,915 | 1,903 | -12+0 / -12 | 0W / 3L |
| Jun 29, 2008 | So. Florida Open Warm-Up TournamentTournament · View matches | 1,897 | 1,915 | +18+23 / -5 | 5W / 2L |
| Feb 16, 2008 | Macy Block Giant RR OpenTournament · View matches | 1,967 | 1,897 | -70+8 / -78 | 1W / 5L |
| Aug 27, 2006 | 2006 Indiana OpenTournament · View matches | 1,985 | 1,967 | -18+2 / -20 | 4W / 2L |
| Nov 28, 2004 | 2004 N. American Teams Open TTTournament · View matches | 1,873 | 1,985 | +112 | 17W / 6L |
| Oct 23, 2004 | Maine Fall OpenTournament · View matches | 1,863 | 1,873 | +10+16 / -6 | 4W / 1L |
| Oct 9, 2004 | Upper Valley Peak Fall FoliageTournament · View matches | 1,855 | 1,863 | +8+26 / -18 | 7W / 2L |
| May 1, 2004 | Maine Spring TT OpenTournament · View matches | 1,677 | 1,855 | +178 | 12W / 0L |
| Mar 28, 2004 | 2004 Rhode Island OpenTournament · View matches | 1,663 | 1,677 | +14+18 / -4 | 4W / 1L |
| Oct 12, 2003 | 2003 BSTTC & GEWO Best of FiveTournament · View matches · USATT readjusted 1,314 → 1,606 | 1,314 | 1,663 | +57+58 / -1 | 3W / 4L |
| Mar 16, 2003 | 2003 Rhode Island OpenTournament · View matches · Initial rating 1,314 | Unrated | 1,314 | — | 3W / 0L |
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