Go Player Ratings

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Ishikura Noboru

Ishikura Noboru (石倉昇) has a rating of 1427, ranked 325 of 452 in professional play. Their highest rating so far is 1690 (February 2, 2006).

Ishikura Noboru9 dan石倉昇Nihon Ki-in Tokyo
Rating1427
Rank325
1-year change↓10
Peak rating1690
Last 10181-211
2026 record
2-7
Record since 1927
181-211
Win rate
.462

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

Professional ratingsFind a player

Rating history — professional

10 gamesHigh 1448Low 1424
29 gamesHigh 1497Low 1424
52 gamesHigh 1551Low 1424
224 gamesHigh 1690Low 1424

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
June 4, 2026Koyama KuyaTengen　Colors unknown↓1
May 28, 2026Izumitani HideoOza　Colors unknown↓10
May 14, 2026Jo BunenHoninbo　Colors unknown↓7
April 30, 2026Kikuchi YoshioTengen　Colors unknown↑6
March 19, 2026Oki KeijiTengen　Colors unknown↑16
March 5, 2026Awaji ShuzoGosei　Colors unknown↓8
February 5, 2026Cho ChikunJudan Preliminary C　as White↓3
January 22, 2026Suzuki AyumiMeijin　Colors unknown↓6
January 15, 2026Kondo ToshikiKisei First Tournament Preliminary Round 1　Colors unknown↓6
November 20, 2025Cho KoharuMeijin　Colors unknown↑11
July 24, 2025O RisseiOza　Colors unknown↓3
May 29, 2025Aoki HirotakaHoninbo　Colors unknown↓6
May 8, 2025Miyatani FugaTengen　Colors unknown↓12
May 1, 2025Cho ChienGosei　Colors unknown↓21
April 24, 2025Xiao YuyangJudan　Colors unknown↓4
March 27, 2025Shiraishi YuichiMeijin　Colors unknown↓14
March 6, 2025Kato YukiJudan　Colors unknown↑10
February 27, 2025Mannami NaoMeijin　Colors unknown↑16
February 13, 2025Kato AtsushiKisei First Tournament Preliminary Round 2　Colors unknown↓4
January 30, 2025So KofukuGosei　Colors unknown↑22

Head-to-head

Up to 10 opponents, most-played first. Records are from Ishikura Noboru'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
Kataoka Satoshi2-4.3332-20-1
Suzuki Isao2-3.4000-00-0
Chino Tadahiko3-2.6000-10-0
Kobayashi Satoru0-5.0000-20-2
Oya Koichi2-3.4000-11-1
Okada Yumiko3-1.7500-00-1
Yoda Norimoto1-3.2501-10-1
Kamimura Haruo2-2.5000-11-0
Kobayashi Koichi1-3.2500-21-0
Miyazawa Goro1-3.2501-10-0

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
20262-7.222
20255-7.417
20240-7.000
20233-7.300
20224-6.400
20218-7.533
20203-5.375
201911-7.611
201811-8.579
20174-10.286
201610-10.500
201510-9.526
20141-7.125
20139-3.750
20129-8.529
20115-7.417
20100-1.000
20092-1.667
20080-1.000
20070-1.000
20062-6.250
20058-9.471
200424-7.774
20035-10.333
20028-5.615
20010-1.000
19990-1.000
19980-2.000
19970-1.000
19950-3.000
19943-1.750
19931-4.200
19921-3.250
19910-4.000
19900-6.000
19893-4.429
19883-4.429
19873-7.300
19868-2.800
19852-1.667
19843-3.500
19832-1.667
19826-5.545
19810-1.000
19782-01.000
19760-1.000
Total181-211.462

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