Go Player Ratings

JAAbout ratings

Araki Issei

Araki Issei (荒木一成) has a rating of 1417, ranked 337 of 452 in professional play. Their highest rating so far is 1638 (March 8, 2012).

Araki Issei7 dan荒木一成Nihon Ki-in Kansai HQ
Rating1417
Rank337
1-year change↓33
Peak rating1638
Last 10188-184
2026 record
2-7
Record since 1927
188-184
Win rate
.505

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

Professional ratingsFind a player

Rating history — professional

12 gamesHigh 1451Low 1392
44 gamesHigh 1467Low 1392
83 gamesHigh 1504Low 1388
272 gamesHigh 1638Low 1388

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
August 17, 2026Mimura TomoyasuSGW Cup Chuyo Preliminary Semifinal　Colors unknown↓2
August 17, 2026Nakaonoda TomomiSGW Cup Chuyo Preliminary Round 1　Colors unknown↑27
June 29, 2026Kitano RyoOza　Colors unknown↓9
May 11, 2026Furuta NaoyoshiOza　Colors unknown↑7
April 23, 2026Iwamaru TairaTengen　Colors unknown↓6
April 6, 2026Iwamaru TairaGosei　Colors unknown↓6
March 19, 2026Yamada ShihoHoninbo　Colors unknown↓21
February 9, 2026Goto HajimuJudan　Colors unknown↓6
January 8, 2026Kasahara YukiKisei First Tournament Preliminary Round 1　Colors unknown↓14
December 25, 2025Yamada KimioMeijin Preliminary C　as White↓4
November 13, 2025Omori RanMeijin　Colors unknown↑14
October 2, 2025Ko IunSGW Cup Chuyo Preliminary Round 1　as White↓13
September 1, 2025Ikemoto RyotaRyusei　Colors unknown↓5
July 28, 2025Iwamaru TairaRyusei　Colors unknown↑25
July 28, 2025Tsukuda AkikoRyusei　Colors unknown↑15
July 17, 2025Omori RanOza　Colors unknown↓19
June 23, 2025Enda YoichiOza　Colors unknown↑7
May 8, 2025Kikkawa HajimeTengen　Colors unknown↓8
May 1, 2025Omori RanJudan　Colors unknown↓20
April 21, 2025Goto HajimuHoninbo　Colors unknown↓10

Head-to-head

Up to 10 opponents, most-played first. Records are from Araki Issei'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
Yamamoto Kentaro8-3.7270-00-0
Takabayashi Masahiro9-1.9000-00-0
Iwamaru Taira5-4.5560-10-0
Ishii Kunio3-6.3330-00-0
Yanagawa Hiromasa4-5.4440-00-0
Mito Yukari8-01.0000-00-0
Tsukuda Akiko5-2.7140-00-0
Yamada Shiho6-1.8570-00-0
Otani Naoki0-7.0000-00-0
Yamada Kimio1-6.1430-10-2
Sasaki Tsuyoshi1-6.1430-00-0
Utani Shunta5-2.7140-00-0
Sano Takatsugu5-2.7140-00-0
Kuwamoto Shinpei5-2.7140-00-0
Sasaka Shiro3-3.5000-00-0
Ohashi Naruya3-3.5000-00-0
Enda Yoichi6-01.0000-00-0
Ishida Atsushi0-6.0000-00-0
Tanaka Chieko6-01.0000-00-0
Takei Takashi1-4.2000-10-0
Furuta Naoyoshi4-1.8000-00-0
Yanaka Katsunori1-4.2000-00-0
Tanemura Sayuri4-1.8000-00-0
Goto Shungo1-4.2000-00-0
Kitano Ryo2-3.4000-00-0

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
20262-7.222
20257-11.389
20246-10.375
20239-9.500
20229-9.500
20212-11.154
20207-8.467
20198-9.471
201810-12.455
20179-12.429
20169-11.450
201514-7.667
20141-5.167
20136-5.545
20129-7.563
201110-5.667
20101-01.000
20091-1.500
20080-1.000
20073-1.750
20062-6.250
200512-10.545
200416-9.640
200317-10.630
200217-6.739
20011-01.000
19980-1.000
19960-1.000
Total188-184.505

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