Go Player Ratings

JAAbout ratings

Mukai Kazuo

Mukai Kazuo (向井一男) has a rating of 1408.

Retired. The rating shown is the rating at retirement.

Mukai Kazuo8 dan向井一男Nihon Ki-in
Rating1408
Rank—
1-year change—
Peak rating—
Last 1054-64
1968 record
6-9
Record since 1927
54-64
Win rate
.458

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 ratingsFind a player

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
December 19, 1968Sato MasaharuNihon Ki-in Championship 2nd Preliminary　as White↓12
October 3, 1968Fukui MasaakiAll-Japan First Place Tournament Preliminary　as Black↓15
September 12, 1968Kaji KazutameOza 2nd Preliminary　as White↓16
August 29, 1968Nakamura YutaroJudan 2nd Preliminary　as Black↓13
August 15, 1968Kubouchi ShuchiHoninbo 3rd Preliminary　as Black↓10
August 1, 1968Takemiya MasakiPro Best Ten 2nd Preliminary　as Black↓8
July 17, 1968Sugiuchi KazukoJudan 2nd Preliminary　as White↑14
June 27, 1968Fukuda MasayoshiHoninbo 2nd Preliminary　as Black↑13
May 16, 1968Koyama ShizuoHoninbo 2nd Preliminary　as White↑18
April 11, 1968Takemiya MasakiFormer Meijin 3rd Preliminary　as White↓7
March 21, 1968Ito TomoeFormer Meijin 1st Preliminary　as Black↑12
February 29, 1968Kosugi KiyoshiPrime Minister's Cup Round 2　as Black↓13
February 15, 1968Kuroda YukioFormer Meijin 2nd Preliminary　as Black↑12
February 1, 1968Nakagawa ShinjiNihon Ki-in Championship 2nd Preliminary　as Black↓14
January 18, 1968Tanaka MinaichiFormer Meijin 2nd Preliminary　as Black↑12
December 14, 1967Segawa YoshioOza 3rd Preliminary　as White↓14
November 30, 1967Kano YoshinoriNihon Ki-in Championship 2nd Preliminary　as Black↑21
November 9, 1967Takeda HakuaiOza 2nd Preliminary　as White↑11
September 7, 1967Fukui MasaakiOza 2nd Preliminary　as Black↑21
August 3, 1967Kada KatsujiHoninbo 3rd Preliminary　as White↓6

Head-to-head

Up to 10 opponents, most-played first. Records are from Mukai Kazuo'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
Kuwahara Munehisa2-3.4001-21-1
Matsumoto Tokuji3-1.7501-12-0
Oeda Yusuke1-3.2501-20-1
Miwa Yoshiro1-3.2501-30-0
Okubo Ichigen1-3.2500-11-2
Shioiri Itsuzo3-01.0002-01-0
Nabeshima Ichiro1-2.3330-11-1
Nakagawa Shinji2-1.6670-12-0
Ishige Kakuo2-1.6672-00-1
Sugiuchi Kazuko3-01.0002-01-0

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
19686-9.400
19675-6.455
19663-7.300
19657-9.438
19641-5.167
19639-9.500
196211-7.611
19617-5.583
19603-7.300
19392-01.000
Total54-64.458

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