Go Player Ratings

JAAbout ratings

Kato Yuki

Kato Yuki (加藤祐輝) has a rating of 1608, ranked 196 of 452 in professional play. Their highest rating so far is 1731 (May 1, 2025).

Kato Yuki7 dan加藤祐輝Nihon Ki-in Chubu
Rating1608
Rank196
1-year change↓55
Peak rating1731
Last 10257-213
2026 record
4-6
Record since 1927
257-213
Win rate
.547

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

Professional ratingsFind a player

Rating history — professional

17 gamesHigh 1687Low 1551
75 gamesHigh 1731Low 1551
122 gamesHigh 1731Low 1551
382 gamesHigh 1731Low 1466

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 3, 2026Hikosaka NaotoHoninbo　Colors unknown↑26
July 30, 2026Hoda ShotaHoninbo　Colors unknown↑18
July 16, 2026Matsuoka HidekiTengen　Colors unknown↓12
June 18, 2026Nishioka MasaoHoninbo　Colors unknown↑25
May 28, 2026Nakao JungoGosei　Colors unknown↓15
April 23, 2026Osawa KenroOkan　Colors unknown↓23
March 26, 2026Aoba KaoriHoninbo　Colors unknown↑6
January 29, 2026Yamamori TadanaoJudan　Colors unknown↓17
January 26, 2026Goto HajimuShinjin-O Preliminary　as Black↓14
January 15, 2026Otani NaokiKisei First Tournament Preliminary Round 1　Colors unknown↓8
November 27, 2025Hane NaokiMeijin　Colors unknown↓9
November 13, 2025Muramatsu HirokiOza　Colors unknown↓7
November 2, 2025Cho RiyuSGW Cup Chuyo Round 4　as Black↓6
November 2, 2025Torii YutaSGW Cup Chuyo Round 3　as White↓16
November 1, 2025Suzuki YoshimichiSGW Cup Chuyo Round 2　as White↓17
November 1, 2025Matsumoto TakehisaSGW Cup Chuyo Round 1　as Black↓8
September 25, 2025Muramoto WataruOza　Colors unknown↑24
September 15, 2025Ueno RisaHiroshima Aluminum Cup Wakagoi Preliminary Final　as Black↓10
August 21, 2025Yamada TakujiSGW Cup Chuyo Preliminary Final　as Black↑20
August 21, 2025Okada ShinichiroSGW Cup Chuyo Preliminary Round 2　as Black↑10

Head-to-head

Up to 10 opponents, most-played first. Records are from Kato Yuki'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
Hikosaka Naoto4-10.2861-20-3
Kim Hyunjong12-1.9230-00-0
Yamamori Tadanao5-8.3850-00-0
Kawada Kohei10-1.9090-00-0
Shimojima Yohei2-8.2000-00-0
Yamashiro Hiroshi2-8.2000-00-0
Bian Wenkai5-5.5000-00-0
Nakano Hironari3-6.3330-10-0
Nakane Naoyuki3-6.3330-00-0
Miyagawa Fumihiko4-5.4440-00-0
Nakao Jungo3-6.3330-00-0
Shida Tatsuya1-7.1250-10-0
Takeda Yoshinori6-2.7500-00-0
Kumamoto Shusei5-3.6250-00-0
Inagaki Yo8-01.0000-00-0
Ito Yoji6-2.7500-00-0
Yanagisawa Satoshi4-4.5000-00-0
Osawa Kenro6-2.7500-00-0
Yamada Kimio2-5.2861-30-1
Okumura Hideo7-01.0000-00-0
Ikezaki Tokinori7-01.0000-00-0
Hiroe Hiroyuki4-3.5710-00-0
Matsuoka Hideki1-6.1430-00-0
Yoshioka Kaoru6-1.8570-00-0
Ohashi Naruya3-3.5000-00-0
Kikkawa Hajime2-4.3330-00-0
Akedo Kazumi4-2.6670-00-0
Kato Chie3-3.5000-11-0
Takamure Tetsuro5-1.8330-00-0
O Keii5-01.0000-00-0
Aoba Kaori4-1.8000-00-0
Ishida Atsushi1-4.2000-00-0
Shinoda Mitsuaki5-01.0000-00-0
Imamura Yoshiaki1-4.2000-00-0
Okumura Yasushi5-01.0000-00-0
Nishioka Masao2-3.4000-00-0

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
20264-6.400
202518-16.529
202410-10.500
202313-12.520
202217-12.586
202116-11.593
202014-7.667
20198-13.381
20188-15.348
201718-14.563
201619-11.633
20156-7.462
20147-5.583
201313-9.591
20129-10.474
201110-6.625
20102-4.333
20091-3.250
20074-3.571
20065-8.385
200515-9.625
200418-8.692
200310-8.556
200212-6.667
Total257-213.547

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