Wins
110
Indexed tournament wins
Player record
Tadehara, Akira
Losses
117
Indexed tournament losses
Matches
227
Decisive results
Win rate
48.5%
Across indexed matches
Peak rating
1,589
Highest rating in the available history.
Biggest upset
Jose Suarez
Westchester December 2018 Open · Dec 29, 2018 · +511 rating
Open →Biggest loss
Zhang, Yiheng
Westchester January 2019 Open · Jan 26, 2019 · -740 rating
Open →Most frequent opponent
Guaman, Aileen
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
28 tournament appearances · synced Aug 12, 2026, 2:25 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 30, 2018 | Li Loeber USATT Sanctioned Tournament Tournament · View matches | 670 | 699 | +29+54 / -25 | 4W / 4L |
| Jun 10, 2018 | NYISC June 10, 2018 OpenTournament · View matches | 666 | 670 | +4+18 / -14 | 8W / 2L |
| May 26, 2018 | Westchester May 2018 OpenTournament · View matches · USATT readjusted 554 → 613 | 554 | 666 | +53+57 / -4 | 4W / 2L |
| May 6, 2018 | NYITTC May 6, 2018 OpenTournament · View matches · USATT readjusted 464 → 531 | 464 | 554 | +23+43 / -20 | 7W / 2L |
| Apr 21, 2018 | NYISC April 21, 2018 OpenTournament · View matches | 427 | 464 | +37+39 / -2 | 5W / 4L |
| Mar 24, 2018 | Westchester March 2018 OpenTournament · View matches · USATT readjusted 334 → 387 | 334 | 427 | +40+43 / -3 | 2W / 2L |
| Nov 12, 2017 | NYISC November 2017 OpenTournament · View matches | 335 | 334 | -1 | 1W / 4L |
| Nov 5, 2017 | AACCT November 2017 OpenTournament · View matches · Initial rating 335 | Unrated | 335 | -10+0 / -10 | 0W / 3L |
21–28 of 28
PreviousPage 2 of 2