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Anzai Nobuaki

Anzai Nobuaki (安斎伸彰) has a rating of 1959, ranked 36 of 452 in professional play. Their highest rating so far is 2049 (March 4, 2021).

Anzai Nobuaki8 dan安斎伸彰Nihon Ki-in Tokyo
Rating1959
Rank36
1-year change↑16
Peak rating2049
Last 10404-246
2026 record
7-2
Record since 1927
404-246
Win rate
.622

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

Professional ratingsFind a player

Rating history — professional

25 gamesHigh 1977Low 1905
81 gamesHigh 2005Low 1905
145 gamesHigh 2029Low 1905
578 gamesHigh 2049Low 1688

The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
September 17, 2026Xiao YuyangHoninbo Preliminary A　as Black↑16
September 10, 2026Hirata TomoyaGosei Preliminary A　as Black↑25
August 20, 2026Suzuki AyumiSGW Cup Chuyo Preliminary Semifinal　Colors unknown↑9
July 23, 2026Saga ShuntaroTengen　Colors unknown↑4
June 15, 2026Yo ChitoJudan Preliminary A　as Black↓20
May 7, 2026Akiyama JiroKisei First Tournament Preliminary Final　Colors unknown↓18
April 23, 2026Ando KazushigeKisei First Tournament Preliminary Semifinal　Colors unknown↑4
March 16, 2026Han ZenkiKisei First Tournament Preliminary Quarterfinal　Colors unknown↑9
February 12, 2026Yanai KazumaKisei First Tournament Preliminary Round 2　Colors unknown↑4
December 18, 2025Sada AtsushiHoninbo Final Preliminary Final　as White↓12
December 8, 2025Shibano ToramaruRyusei Championship Tournament Round 2　Colors unknown↓2
December 4, 2025Onishi KenyaOza Preliminary A Final　as White↓16
November 13, 2025Ueno RisaMeijin Preliminary C　as White↓21
November 6, 2025Hirose YuichiOza　Colors unknown↑22
November 5, 2025Obuchi KotaroRyusei Championship Tournament Round 1　Colors unknown↑8
November 2, 2025Matsumoto TakehisaSGW Cup Chuyo Round 4　as White↑13
November 2, 2025Shuto ShunSGW Cup Chuyo Round 3　as White↑10
November 1, 2025Cho RiyuSGW Cup Chuyo Round 2　as White↑17
November 1, 2025Tanaka NobuyukiSGW Cup Chuyo Round 1　as Black↓22
October 30, 2025Sakai YukiTengen　Colors unknown↓7

Head-to-head

Up to 10 opponents, most-played first. Records are from Anzai Nobuaki'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
Kono Rin7-6.5382-33-2
Ichiriki Ryo1-10.0910-30-5
Numadate Sakiya9-1.9002-01-1
Yu Zhengqi4-6.4003-21-4
Ohashi Hirofumi5-5.5001-11-3
Cho Sonjin6-4.6002-23-1
O Meien5-4.5562-12-2
Fujisawa Rina4-5.4443-11-3
Oomote Takuto5-3.6250-01-0
Mimura Tomoyasu5-3.6251-01-0
Cho U2-6.2501-21-2
Han Zenki4-4.5001-11-2
Yamashita Keigo1-7.1251-40-1
Akiyama Jiro0-7.0000-20-0
Uchida Shuhei5-2.7140-01-0
Adachi Toshimasa4-3.5710-21-0
Otake Hideo6-1.8571-03-1
Suzuki Shinji4-3.5711-01-0
Obuchi Kotaro3-3.5001-00-0
Koike Yoshihiro2-4.3331-11-1
Yamashiro Hiroshi4-2.6672-11-1
Yamada Takuji5-1.8331-01-0
Ko Iso1-5.1670-00-3
Cho Riyu2-4.3331-01-0
Matsumoto Takehisa3-3.5000-12-0
Rin Kanketsu2-4.3330-01-4
Kato Atsushi4-2.6671-00-0
Shibano Toramaru3-3.5002-00-2
Cho Chikun3-3.5000-22-1
Onishi Kenya4-1.8000-00-1
Rin Shien3-2.6000-02-0
Motoki Katsuya2-3.4000-01-1
Tsuruyama Atsushi2-3.4000-12-1
Murakawa Daisuke2-3.4001-11-1
Kyo Kagen0-5.0000-20-1
Yamada Kimio3-2.6000-22-0
Mitani Tetsuya1-4.2000-11-2
Kim Sujun2-3.4000-10-1
Yuki Satoshi3-2.6000-12-1
Ryu Shikun0-5.0000-20-0

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
20267-2.778
202514-13.518
202424-13.649
202319-10.655
202222-10.688
202126-18.591
202029-11.725
201920-17.540
201828-11.718
201717-14.548
201624-15.615
201515-9.625
201416-10.615
201312-8.600
201217-14.548
201125-13.658
201012-9.571
20097-5.583
20086-5.545
20078-6.571
200619-13.594
200510-8.556
200422-10.688
20035-2.714
Total404-246.622

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