Players › Koji Tanigawa

Koji Tanigawa

Player No.	131
Rank	9-dan
Date of birth	Apr 6, 1962
Birthplace	Hyogo
Teacher	Masakazu Wakamatsu 8-dan

Junisen terms45

Career record253W-177L

Win rate0.588

Deviation score (FY2025)48.2

Best deviation score75.3
FY2000

Rating history and all games →

Junisen record

Term	Class	Rank	Record	Up/down	Deviation
85th term	Class B2	9	1W-4L
84th term	Class B2	12	6W-4L		48.2
83rd term	Class B2	5	5W-5L		46.6
82nd term	Class B2	12	7W-3L		52.4
81st term	Class B2	16	5W-5L		50.4
80th term	Class B2	11	4W-6L		49.1
79th term	Class B2	1	5W-5L		48.6
78th term	Class B1	7	3W-9L	Relegated	51.3
77th term	Class B1	7	6W-6L		61.0
76th term	Class B1	7	5W-5L		59.3
75th term	Class B1	8	5W-7L		51.3
74th term	Class B1	10	6W-6L		51.1
73rd term	Class B1	2	4W-8L		52.1
72nd term	Class A	8	2W-7L	Relegated	56.0
71st term	Class A	4	2W-7L		55.4
70th term	Class A	7	5W-4L		52.1
69th term	Class A	6	4W-5L		52.8
68th term	Class A	7	5W-4L		64.9
67th term	Class A	7	4W-5L		61.7
66th term	Class A	2	3W-6L		61.2
65th term	Class A	1	6W-3L		64.2
64th term	Class A	5	8W-1L	Challenger	65.8
63rd term	Class A	3	4W-5L		61.5
62nd term	Class A	4	5W-4L		75.3
61st term	Class A	3	5W-4L		69.5
60th term	Class A	1	6W-3L		65.2
59th term	Class A	5	7W-2L	Challenger	75.3
58th term	Class A	1	4W-5L		70.3
57th term	Class A	1	7W-1L	Challenger	67.4
55th term	Class A	4	8W-1L	Challenger	71.2
54th term	Class A	4	5W-4L		63.6
53rd term	Class A	2	6W-3L		73.6
52nd term	Class A	4	7W-2L		68.1
51st term	Class A	2	5W-4L		70.1
50th term	Class A	2	6W-3L		73.1
49th term	Class A	1	6W-3L		68.2
46th term	Class A	2	8W-1L	Challenger	71.5
45th term	Class A	4	6W-3L		66.8
44th term	Class A	1	5W-5L		71.6
41st term	Class A	10	7W-2L	Challenger	65.1
40th term	Class B1	12	10W-2L	Promoted	69.1
39th term	Class B2	16	10W-0L	Promoted	59.6
38th term	Class C1	18	9W-1L	Promoted	67.7
37th term	Class C2	3	8W-2L	Promoted	59.9
36th term	Class C2	32	8W-2L

How the deviation score is calculated: see here.

Titles won

Ryuo-sen	4 terms (terms 3, 4, 9, 10)
Meijin-sen	5 terms (terms 41, 42, 46, 47, 55)
Oi-sen	6 terms (terms 28, 30, 31, 32, 43, 44)
Oza-sen	1 terms (38th term)
Kisei-sen	4 terms (terms 59, 60, 61, 70)
Kio-sen	3 terms (terms 11, 13, 29)
Osho-sen	4 terms (terms 41, 42, 43, 44)

Ryuo-sen and Eio-sen from 2007 only; others are all-time records.

Terms in each class

Class A	32 terms (incl. 5 terms as Meijin)
Class B1	7 terms
Class B2	8 terms
Class C1	1 terms
Class C2	2 terms

Promotion history

Apr 1, 1984	9-dan
Apr 1, 1982	8-dan
Apr 1, 1981	7-dan
Apr 1, 1980	6-dan
Apr 1, 1979	5-dan
Dec 20, 1976	4-dan
1975	1-dan

Career win milestones

100 wins	Jul 15, 1980 Kisei-sen
200 wins	Feb 17, 1983 Oza-sen
300 wins	Sep 8, 1985 JT Cup
400 wins	Aug 27, 1987 Oi-sen
500 wins	Jan 11, 1990 All-Japan Pro
600 wins	Jan 28, 1992 Osho-sen
700 wins	Oct 15, 1994 Hayazashi-sen
800 wins	May 13, 1997 All-Japan Pro
900 wins	Feb 8, 2000 Oi-sen
1000 wins	Sep 19, 2002 Ginga-sen
1100 wins	Jul 20, 2006 Ryuo-sen
1200 wins	Oct 11, 2011 Junisen
1300 wins	Dec 19, 2018 Oi-sen
1400 wins	Dec 10, 2025 Junisen

Best wins (highest-rated opponents)

Sep 13, 2000	Yoshiharu Habu 2109	Oi-sen
Aug 21, 2000	Yoshiharu Habu 2105	Oi-sen
Jul 26, 2000	Yoshiharu Habu 2086	Oi-sen
Jul 6, 2000	Yoshiharu Habu 2078	Kisei-sen
Jun 9, 2000	Yoshiharu Habu 2072	Kisei-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

Yoshiharu Habu	61W-106L	Head-to-head
Makoto Nakahara	55W-42L	Head-to-head
Yasumitsu Satoh	34W-38L	Head-to-head
Tadahisa Maruyama	32W-33L	Head-to-head
Kunio Yonenaga	33W-31L	Head-to-head
Toshiyuki Moriuchi	28W-36L	Head-to-head
Masataka Goda	37W-27L	Head-to-head
Michio Takahashi	33W-28L	Head-to-head
Yoshikazu Minami	34W-14L	Head-to-head
Kiyozumi Kiriyama	30W-17L	Head-to-head
Taku Morishita	33W-14L	Head-to-head
Hifumi Katoh	29W-16L	Head-to-head

Head-to-head with other players →