Players › Kosuke Tamura

Kosuke Tamura

Player No.	217
Rank	7-dan
Date of birth	Mar 16, 1976
Birthplace	Toyama
Teacher	Nobuyuki Oouchi 9-dan (deceased)

Junisen terms31

Career record154W-151L

Win rate0.505

Deviation score (FY2025)39.6

Best deviation score59.2
FY2001

Rating history and all games →

Junisen record

Term	Class	Rank	Record	Up/down	Deviation
85th term	Class C2	34	2W-3L
84th term	Class C2	40	4W-6L		39.6
83rd term	Class C2	35	4W-6L		36.1
82nd term	Class C2	24	4W-6L		44.4
81st term	Class C2	4	5W-5L		44.0
80th term	Class C1	32	1W-9L	Relegated	35.9
79th term	Class C1	2	3W-7L	Demerit	42.1
78th term	Class B2	16	3W-7L	Relegated	41.6
77th term	Class B2	18	4W-6L		43.9
76th term	Class B2	22	4W-6L		37.5
75th term	Class B2	10	3W-7L	Demerit	42.0
74th term	Class B2	8	6W-4L		49.5
73rd term	Class B2	18	6W-4L		59.1
72nd term	Class B2	17	4W-6L		40.9
71st term	Class B2	18	4W-6L		52.6
70th term	Class B2	22	4W-6L		43.8
69th term	Class C1	12	9W-1L	Promoted	55.3
68th term	Class C1	27	6W-4L		48.9
67th term	Class C2	7	8W-2L	Promoted	58.3
66th term	Class C2	38	7W-3L		54.9
65th term	Class C2	19	2W-8L	Demerit	43.1
64th term	Class C2	13	5W-5L		51.1
63rd term	Class C2	11	6W-4L		50.5
62nd term	Class C2	11	7W-3L		58.6
61st term	Class C2	3	6W-4L		48.5
60th term	Class C2	6	8W-2L		59.2
59th term	Class C2	17	7W-3L		59.1
58th term	Class C2	28	6W-4L		53.0
57th term	Class C2	14	4W-6L		48.4
56th term	Class C2	19	6W-4L		48.0
55th term	Class C2	49	6W-4L		54.8

How the deviation score is calculated: see here.

Terms in each class

Class B2	9 terms
Class C1	4 terms
Class C2	18 terms

Promotion history

Mar 4, 2013	7-dan
Jun 8, 2005	6-dan
Sep 8, 2000	5-dan
Oct 1, 1995	4-dan
1991	1-dan

Career win milestones

100 wins	Sep 22, 2000 Oi-sen
200 wins	Sep 7, 2004 Junisen
300 wins	Aug 6, 2009 Asahi Cup
400 wins	Oct 2, 2015 Asahi Cup
500 wins	Aug 13, 2025 Eio-sen

Best wins (highest-rated opponents)

Nov 19, 2014	Akira Watanabe 1964	Oi-sen
Aug 3, 2007	Masataka Goda 1946	Kio-sen
Jan 9, 2001	Takeshi Fujii 1933	Oi-sen
Nov 16, 2001	Toshiaki Kubo 1929	Oi-sen
May 18, 2003	Kazuki Kimura 1922	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

Takeshi Kawakami	9W-8L	Head-to-head
Shuji Satoh	3W-11L	Head-to-head
Takahiro Toyokawa	8W-5L	Head-to-head
Yoshiyuki Kubota	10W-3L	Head-to-head
Tadao Kitajima	8W-5L	Head-to-head
Makoto Tobe	4W-9L	Head-to-head
Makoto Chuza	7W-5L	Head-to-head
Eiji Iijima	3W-9L	Head-to-head
Ichiro Hiura	4W-7L	Head-to-head
Hisashi Namekata	4W-7L	Head-to-head
Kiyokazu Katsumata	6W-5L	Head-to-head
Teruichi Aono	7W-3L	Head-to-head

Head-to-head with other players →