Ota Masahito

Ota Masahito (太田正人) has a rating of 1298.

Retired. The rating shown is the rating at retirement.

Ota Masahito太田正人Nihon Ki-in
Rating1298
Rank
1-year change
Peak rating
Last 10LossLossLossLossLossLossLossLossLossLoss3-20
2004 record
0-5
Record since 1927
3-20
Win rate
.130

Rating at retirement (not included in the rating list)

The rating is calculated from published game results. It does not include any adjustment for playing Black.

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 26, 2004Furuta NaoyoshiHoninbo Colors unknownLoss↓14
July 8, 2004Yahata KoichiKisei Colors unknownLoss↓8
May 6, 2004Takabayashi MasahiroOza Colors unknownLoss↓11
April 1, 2004Mito YukariJudan Colors unknownLoss↓14
February 12, 2004Yanagawa HiromasaTengen Colors unknownLoss↓11
December 18, 2003Sano TakatsuguMeijin Colors unknownLoss↓11
August 13, 2003Iyama YutaHoninbo Colors unknownLoss↓5
June 26, 2003Matsuura HideoKisei Colors unknownLoss↓15
March 27, 2003Yanagawa HiromasaJudan Colors unknownLoss↓12
March 5, 2003Iwamaru TairaTengen Colors unknownLoss↓12
February 24, 2003Yamamoto KentaroAgon Kiriyama Cup Colors unknownLoss↓13
February 6, 2003Yamamoto KentaroOza 1st Preliminary Round 2 Colors unknownLoss↓13
January 15, 2003Furuta NaoyoshiOza 1st Preliminary Round 1 Colors unknownWin↑18
November 13, 2002Ko IsoKisei Preliminary Round 2 Colors unknownLoss↓13
October 23, 2002Nishimoto KinyaKisei Preliminary Colors unknownWin↑18
October 16, 2002Araki IsseiMeijin 1st Preliminary Round 2 Colors unknownLoss↓9
June 19, 2002Kirimoto KazuoHoninbo 1st Preliminary Round 1 Colors unknownLoss↓16
May 20, 2002Tsukuda AkikoRyusei 1st Preliminary (4 dan and below) Round 1 Colors unknownLoss↓15
March 6, 2002Mito YukariTengen 1st Preliminary Round 2 Colors unknownLoss↓16
February 25, 2002Furuta NaoyoshiAgon Kiriyama Cup 1st Preliminary Round 1 Colors unknownLoss↓14

Head-to-head

Up to 10 opponents, most-played first. Records are from Ota Masahito's point of view; jigo and no-result games are not counted as wins or losses. Only games from 1927 onward are included.
OpponentTotalAs BlackAs White
Furuta Naoyoshi2-2.5000-00-0
Mito Yukari0-3.0000-00-0
Yanagawa Hiromasa0-2.0000-00-0
Yamamoto Kentaro0-2.0000-00-0
Matsuura Hideo0-1.0000-00-0
Tsukuda Akiko0-1.0000-00-0
Araki Issei0-1.0000-00-0
Takabayashi Masahiro0-1.0000-00-0
Kirimoto Kazuo0-1.0000-00-0
Yahata Koichi0-1.0000-00-0

Record by year

Counted by calendar year, January to December (default wins and losses are included; jigo and no-result games are not). Only games from 1927 onward are counted, so these totals do not match the career records published by the two Ki-in.

YearRecordWin rate
20040-5.000
20031-7.125
20022-6.250
20010-1.000
19700-1.000
Total3-20.130

Calculated from games played between 1927 and 2026 (as of September 17, 2026).