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Yamamoto Kentaro

Yamamoto Kentaro (山本賢太郎) has a rating of 1478, ranked 286 of 452 in professional play. Their highest rating so far is 1542 (March 14, 2017).

Yamamoto Kentaro6 dan山本賢太郎Nihon Ki-in Kansai HQ
Rating1478
Rank286
1-year change↑87
Peak rating1542
Last 10136-186
2026 record
13-7
Record since 1927
136-186
Win rate
.422

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

Professional ratingsFind a player

Rating history — professional

22 gamesHigh 1519Low 1368
54 gamesHigh 1519Low 1368
89 gamesHigh 1519Low 1368
263 gamesHigh 1542Low 1368

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, 2026Osawa KenroSGW Cup Chuyo Preliminary Round 1　Colors unknown↓19
August 6, 2026Kuwamoto ShinpeiHoninbo　Colors unknown↓16
July 16, 2026Konishi YoshiakiraOza　Colors unknown↓6
July 2, 2026Tanemura SayuriOza　Colors unknown↑4
June 18, 2026Kikkawa HajimeHoninbo　Colors unknown↑24
June 11, 2026Matsuoka HidekiGosei　Colors unknown↓9
June 4, 2026Kunimatsu SoTengen　Colors unknown↓12
May 28, 2026Oda TeppeiOza　Colors unknown↑5
May 21, 2026Shida TatsuyaJudan　Colors unknown↓2
May 14, 2026Takao MariGosei　Colors unknown↑17
May 7, 2026Kitano RyoHoninbo　Colors unknown↑21
April 30, 2026Ishii KunioJudan　Colors unknown↑19
April 23, 2026Kuwamoto ShinpeiJudan　Colors unknown↑20
April 16, 2026Sano TakatsuguTengen　Colors unknown↑8
April 2, 2026Mito ShuheiKisei First Tournament Preliminary Quarterfinal　Colors unknown↓2
March 26, 2026Yamada ShihoGosei　Colors unknown↑12
March 19, 2026Tanaka ChiekoJudan　Colors unknown↑2
February 19, 2026Furuya MasaoKisei First Tournament Preliminary Round 2　Colors unknown↑14
February 12, 2026Mito YukariJudan　Colors unknown↑8
January 22, 2026Hoshikawa TakumiKisei First Tournament Preliminary Round 1　Colors unknown↑23

Head-to-head

Up to 10 opponents, most-played first. Records are from Yamamoto Kentaro'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
Araki Issei3-8.2730-00-0
Enda Hideki5-5.5000-00-0
Tsukuda Akiko3-5.3750-00-0
Tajima Shingo3-5.3750-00-0
Yamada Shiho5-2.7140-00-0
Tanaka Chieko6-1.8570-00-0
Sasaka Shiro0-6.0000-00-0
Takei Takashi1-5.1670-00-0
Kikkawa Hajime4-2.6670-00-0
Sakamoto Yasuo2-4.3330-00-0
Minematsu Masaki2-4.3330-00-0
Tanemura Sayuri6-01.0001-00-0
Sakaguchi Ryuzo3-3.5000-00-0
Ishida Atsushi0-5.0000-00-0
Takabayashi Masahiro1-4.2000-00-0
Miyamoto Chiharu4-1.8000-00-0
Tanaka Nobuyuki0-5.0000-00-0
Kori Toshio3-2.6000-00-0
Iwamaru Taira0-5.0000-00-0
Ishii Kunio2-3.4000-00-1
Furuya Masao4-1.8000-00-0
Komatsu Daiki1-4.2000-00-0
Sasaki Tsuyoshi2-3.4000-00-0
Kitano Ryo2-3.4000-00-0
Utani Shunta0-5.0000-00-0
Sano Takatsugu3-2.6000-00-0
Kuwamoto Shinpei1-4.2000-00-0

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
202613-7.650
20253-10.231
20246-11.353
202310-10.500
20225-9.357
20215-10.333
20207-9.438
20195-10.333
20185-11.313
20179-12.429
201612-11.522
20155-8.385
20141-4.200
20134-6.400
20128-6.571
20112-9.182
20103-1.750
20090-3.000
20080-1.000
20071-2.333
20064-5.444
200510-7.588
20046-8.429
20036-9.400
20024-7.364
19991-01.000
19981-01.000
Total136-186.422

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