Players › Akio Ishikawa

Akio Ishikawa

Player No.	177
Rank	7-dan
Date of birth	Mar 5, 1963
Birthplace	Tokyo
Teacher	Takeshi Takada 7-dan (deceased)

Junisen terms28

Career record134W-146L

Win rate0.479

Deviation score (FY2022)44.1

Best deviation score57.0
FY1991

Rating history and all games →

Junisen record

Term	Class	Rank	Record	Up/down	Deviation
73rd term	Class C2	44	3W-7L	Relegated	43.5
72nd term	Class C2	37	2W-8L	Demerit	40.9
71st term	Class C2	13	3W-7L	Demerit	40.6
70th term	Class C2	30	6W-4L		35.5
69th term	Class C2	1	3W-7L		42.5
68th term	Class C1	17	3W-7L	Relegated	37.7
67th term	Class C1	26	5W-5L		48.3
66th term	Class C1	11	3W-7L	Demerit	49.0
65th term	Class C1	14	6W-4L		50.0
64th term	Class C1	21	6W-4L		50.1
63rd term	Class C1	9	3W-7L		46.2
62nd term	Class C1	16	7W-3L		48.0
61st term	Class C1	20	5W-5L		47.2
60th term	Class C1	12	3W-7L		44.9
59th term	Class C1	27	6W-4L	Demerit cleared	49.9
58th term	Class C1	15	2W-8L	Demerit	45.6
57th term	Class C1	12	4W-6L		49.8
56th term	Class C1	14	5W-5L		50.6
55th term	Class C1	18	4W-6L		44.9
54th term	Class C1	8	4W-6L		41.7
53rd term	Class C1	10	6W-4L		49.9
52nd term	Class C1	14	6W-4L		47.8
51st term	Class C1	21	5W-5L		54.1
50th term	Class C2	12	9W-1L	Promoted	57.0
49th term	Class C2	12	7W-3L		51.2
48th term	Class C2	8	6W-4L		51.8
47th term	Class C2	38	8W-2L		54.4
46th term	Class C2	48	4W-6L		43.3

How the deviation score is calculated: see here.

Terms in each class

Class C1	18 terms
Class C2	10 terms

Promotion history

Oct 23, 2007	7-dan
Jul 30, 1998	6-dan
Jul 16, 1991	5-dan
May 14, 1986	4-dan
1980	1-dan

Career win milestones

100 wins	Feb 6, 1991 Kio-sen
200 wins	Aug 20, 1996 Junisen
300 wins	Jul 15, 2003 Junisen
400 wins	Feb 24, 2010 NHK Cup
500 wins	Aug 27, 2021 Ginga-sen

Best wins (highest-rated opponents)

Dec 2, 2002	Koichi Fukaura 1876	Oi-sen
Feb 13, 1990	Taku Morishita 1867	Kio-sen
Jul 16, 1991	Hiroki Nakata 1842	Junisen
Sep 11, 2008	橋本崇載 1839	Asahi Cup
Jun 25, 2006	Chikara Akutsu 1807	NHK Cup

Career wins and ratings are counted from the games recorded on this site (official games from FY1964, and Junisen games before that) and may differ from official records.

Frequent opponents

Katsuhiko Murooka	6W-10L	Head-to-head
Hiroki Nakata	5W-11L	Head-to-head
Yoshiyuki Ueyama	7W-7L	Head-to-head
Daisuke Nakagawa	5W-9L	Head-to-head
Koji Horiguchi	11W-2L	Head-to-head
小林宏	8W-5L	Head-to-head
Kazuharu Shoshi	6W-7L	Head-to-head
Isao Nakata	8W-5L	Head-to-head
Hisashi Ogura	7W-6L	Head-to-head
Keiichi Sanada	3W-10L	Head-to-head
Hiroshi Okazaki	8W-5L	Head-to-head
Kiyokazu Katsumata	7W-6L	Head-to-head

Head-to-head with other players →