Players › Akira Nishio

Akira Nishio

Player No.	248
Rank	7-dan
Date of birth	Sep 30, 1979
Birthplace	Kanagawa
Teacher	Teruichi Aono 9-dan

Junisen terms24

Career record123W-112L

Win rate0.523

Deviation score (FY2025)47.4

Best deviation score58.8
FY2016

Rating history and all games →

Junisen record

Term	Class	Rank	Record	Up/down	Deviation
85th term	Class C1	29	1W-4L
84th term	Class C1	25	3W-7L	Demerit	47.4
83rd term	Class C1	15	3W-7L		43.7
82nd term	Class C1	7	5W-5L		53.1
81st term	Class C1	22	6W-4L		48.5
80th term	Class C1	11	4W-6L		48.5
79th term	Class C1	15	6W-4L		45.2
78th term	Class C1	13	5W-5L		48.5
77th term	Class C1	19	6W-4L		57.5
76th term	Class C1	29	5W-5L		44.2
75th term	Class C2	16	9W-1L	Promoted	58.8
74th term	Class C2	24	6W-4L		44.6
73rd term	Class C2	31	5W-5L		57.3
72nd term	Class C2	12	4W-6L		50.5
71st term	Class C2	19	6W-4L		50.7
70th term	Class C2	19	5W-5L		54.5
69th term	Class C2	18	5W-5L		48.1
68th term	Class C2	9	5W-5L		53.2
67th term	Class C2	15	7W-3L		56.6
66th term	Class C2	15	6W-4L		52.5
65th term	Class C2	18	5W-5L		54.9
64th term	Class C2	8	5W-5L		51.2
63rd term	Class C2	34	7W-3L		52.9
62nd term	Class C2	44	4W-6L		51.6

How the deviation score is calculated: see here.

Terms in each class

Class C1	10 terms
Class C2	14 terms

Promotion history

Feb 13, 2019	7-dan
Apr 21, 2011	6-dan
Sep 18, 2007	5-dan
Apr 1, 2003	4-dan
1995	1-dan

Career win milestones

100 wins	Feb 5, 2008 Junisen
200 wins	Feb 20, 2013 Oza-sen
300 wins	Aug 17, 2018 Osho-sen
400 wins	Dec 3, 2024 Junisen

Best wins (highest-rated opponents)

Feb 21, 2007	Toshiyuki Moriuchi 1936	Kisei-sen
Nov 14, 2003	Yasumitsu Satoh 1922	Oi-sen
May 8, 2018	Takuya Nagase 1908	Osho-sen
Jan 23, 2014	Yasumitsu Satoh 1895	Oza-sen
Sep 15, 2005	Kazuki Kimura 1890	Oi-sen

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

Hiroaki Yokoyama	8W-6L	Head-to-head
Amahiko Satoh	3W-11L	Head-to-head
Eiji Iijima	7W-6L	Head-to-head
Makoto Sasaki	5W-8L	Head-to-head
Daisuke Katagami	6W-7L	Head-to-head
Shuji Satoh	9W-2L	Head-to-head
Keiichi Sanada	7W-3L	Head-to-head
Takeshi Kawakami	8W-2L	Head-to-head
Sakio Chiba	6W-4L	Head-to-head
Shingo Itoh	5W-5L	Head-to-head
Akio Ishikawa	7W-2L	Head-to-head
Atsushi Miyata	3W-6L	Head-to-head

Head-to-head with other players →