Mizuta Yoshihiro

Mizuta Yoshihiro (水田羨博) has a rating of 1508.

Retired. The rating shown is the rating at retirement.

Mizuta Yoshihiro9 dan水田羨博Kansai Ki-in

Rating1508

Rank—

1-year change—

Peak rating—

Last 109-18

1987 record: 0-1
Record since 1927: 9-18
Win rate: .333

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.

Professional ratings Find a player

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
Date	Opponent and tournament	Result	Change
November 12, 1987	Takagi ShoichiOza 3rd Preliminary　as White	Loss	↓3
December 11, 1986	Kiyonari TetsuyaKisei 9 dan Section　as Black	Loss	↓13
February 13, 1986	Nakamura HidehitoKisei 9 dan Section　as White	Loss	↓10
January 9, 1986	Sakata EioKisei 9 dan Section　as White	Win	↑26
December 6, 1984	Ishii KunioKisei 9 dan Section　as Black	Loss	↓6
March 22, 1984	Takagi ShoichiTengen Round 1　as Black	Loss	↓4
January 26, 1984	Ushinohama SatsuoKisei 9 dan Section　as Black	Loss	↓6
January 1, 1984	Ishii KunioNHK Cup Round 1　as Black	Loss	↓5
July 28, 1983	Ito MakotoMeijin 3rd Preliminary　as White	Loss	↓20
February 17, 1983	Honda KunihisaKisei 9 dan Section　as White	Loss	↓7
December 23, 1982	Kada KatsujiKisei 9 dan Section　as White	Win	↑19
March 4, 1982	Magari ReikiKisei 9 dan Section　as Black	Loss	↓16
January 21, 1982	Sonoda YuichiKisei 9 dan Section　as Black	Win	↑26
December 17, 1981	Hayashi YutaroKisei 9 dan Section　as Black	Win	↑10
January 22, 1981	Ishida YoshioKisei 9 dan Section　as White	Loss	↓5
February 7, 1980	Hane YasumasaKisei 8 dan Section　as White	Loss	↓4
August 1, 1978	Kong XiangmingJapan-China Go Exchange　as White	Win	—
February 2, 1978	Hane YasumasaKisei 8 dan Section　as White	Loss	↓9
January 19, 1978	Kojima TakahoKisei 8 dan Section　as White	Win	↑22
March 11, 1976	Hashimoto YoshimiTengen Round 1　as White	Loss	↓11

Head-to-head

Up to 10 opponents, most-played first. Records are from Mizuta Yoshihiro's point of view; jigo and no-result games are not counted as wins or losses. Only games from 1927 onward are included.
Opponent	Total	As Black	As White
Hane Yasumasa	0-2.000	0-0	0-2
Ishii Kunio	0-2.000	0-2	0-0
Takagi Shoichi	0-2.000	0-1	0-1
Kudo Norio	0-1.000	0-0	0-1
Kato Masao	0-1.000	0-1	0-0
Sakata Eio	1-01.000	0-0	1-0
Kojima Takaho	1-01.000	0-0	1-0
Magari Reiki	0-1.000	0-1	0-0
Sonoda Yuichi	1-01.000	1-0	0-0
Hashimoto Yoshimi	0-1.000	0-0	0-1

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.

Year	Record	Win rate
1987	0-1	.000
1986	1-2	.333
1984	0-4	.000
1983	0-2	.000
1982	2-1	.667
1981	1-1	.500
1980	0-1	.000
1978	2-1	.667
1976	2-1	.667
1975	0-2	.000
1974	0-1	.000
1971	1-0	1.000
1967	0-1	.000
Total	9-18	.333

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