Go Player Ratings

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Motoki Katsuya

Motoki Katsuya (本木克弥) has a rating of 2240, ranked 6 of 452 in professional play. Their highest rating so far is 2264 (June 29, 2026).

Motoki Katsuya9 dan本木克弥Nihon Ki-in Tokyo
Rating2240
Rank6
1-year change↑124
Peak rating2264
Last 10415-212
2026 record
17-7
Record since 1927
415-212
Win rate
.662

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

Professional ratingsFind a player

Rating history — professional

38 gamesHigh 2264Low 2120
113 gamesHigh 2264Low 2049
206 gamesHigh 2264Low 1947
606 gamesHigh 2264Low 1531

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 10, 2026Yoshida TomaGosei Preliminary A　as White↑1
September 3, 2026Morita MichihiroHoninbo　Colors unknown↑2
August 27, 2026Yu ZhengqiKisei League S　as Black↑16
August 20, 2026Sakai YukiJudan Final Preliminary Final　Colors unknown↑11
August 16, 2026Cho RiyuNHK Cup Main Tournament Round 2　Colors unknown↑5
August 6, 2026Kyo KagenKisei League S　as Black↓14
July 23, 2026Iyama YutaOza Round 3　as Black↓15
July 16, 2026Yu ZhengqiMeijin League　as White↓17
July 9, 2026Ichiriki RyoKisei League S　as White↓14
June 29, 2026Iyama YutaMeijin League　as Black↑18
June 22, 2026Onishi RyuheiOza Round 2　as White↑11
June 11, 2026Takao ShinjiKisei League S　as White↑7
June 1, 2026Iyama YutaKisei League S　as White↑21
May 21, 2026Ida AtsushiMeijin League　as White↓23
May 7, 2026Adachi ToshimasaOza Round 1　as White↑7
April 23, 2026Kuwabara ItsukiMeijin League　as Black↑5
April 16, 2026Kono RinTengen Round 2　as White↓23
April 9, 2026Ko IsoOza Final Preliminary Final　as White↑9
March 23, 2026Shibano ToramaruOza Final Preliminary　as White↑22
March 9, 2026Shibano ToramaruMeijin League　as White↑23

Head-to-head

Up to 10 opponents, most-played first. Records are from Motoki Katsuya'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
Kyo Kagen8-15.3485-91-5
Ichiriki Ryo7-15.3181-85-3
Iyama Yuta4-12.2502-51-5
Shibano Toramaru8-8.5002-44-3
Ida Atsushi7-8.4676-11-6
Yu Zhengqi4-10.2862-22-8
Yamashita Keigo4-9.3081-43-5
Shida Tatsuya5-7.4172-22-4
Murakawa Daisuke7-5.5833-43-1
Tsuruyama Atsushi6-5.5452-11-2
Takao Shinji7-4.6364-11-3
Mutsuura Yuta7-4.6362-14-1
Fujita Akihiko8-3.7270-05-2
Onishi Ryuhei9-1.9002-02-1
Adachi Toshimasa6-4.6002-23-0
Suzuki Shinji5-4.5561-13-2
Hane Naoki5-3.6250-15-2
Mizokami Tomochika3-5.3752-00-0
Kono Rin4-4.5002-11-3
Cho U5-3.6253-12-2
Sada Atsushi5-2.7142-11-1
So Yokoku5-2.7142-01-1
Ko Iso5-2.7140-14-1
Rin Kanketsu5-2.7143-10-0
Seto Taiki7-01.0003-03-0
Akiyama Jiro3-3.5000-11-0
Oomote Takuto5-1.8331-01-0
Koike Yoshihiro6-01.0002-03-0
Sun Zhe5-1.8333-11-0
Mitani Tetsuya4-2.6672-02-2
Otake Yu4-2.6671-22-0
Ryu Shikun4-2.6670-24-0
Seki Kotaro2-3.4001-01-2
Anzai Nobuaki3-2.6001-10-0
Yoda Norimoto1-4.2000-21-2
Mimura Tomoyasu3-2.6001-01-0
Shuto Shun3-2.6001-10-0
Kobayashi Satoru3-2.6000-13-1
O Meien5-01.0001-02-0
U Boi5-01.0002-03-0
Yamada Kimio4-1.8001-02-1
Yuki Satoshi3-2.6002-01-2

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
202617-7.708
202528-11.718
202430-13.698
202324-15.615
202230-26.536
202134-21.618
202027-18.600
201929-12.707
201835-20.636
201744-17.721
201638-18.679
201533-11.750
201422-8.733
201314-9.609
20126-5.545
20114-1.800
Total415-212.662

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