Players › Yasuo Date

Yasuo Date

Player No.	78
Rank	posthumous 8-dan
Date of birth	Jul 22, 1936
Birthplace	Osaka
Teacher	Shimei Okazaki 8-dan (deceased)

Junisen terms29

Career record142W-172L

Win rate0.452

Deviation score (FY1988)29.5

Best deviation score52.6
FY1969

Rating history and all games →

Junisen record

Term	Class	Rank	Record	Up/down	Deviation
47th term	Class C2	44	2W-8L	△Demerit	29.5
46th term	Class C2	24	2W-8L	Demerit	31.8
45th term	Class C2	33	5W-5L		45.7
44th term	Class C2	16	3W-7L		33.8
43rd term	Class C2	2	5W-5L		39.2
42nd term	Class C1	13	1W-9L	Relegated	36.8
41st term	Class C1	20	5W-5L	△	46.4
40th term	Class C1	9	2W-8L	Demerit	35.0
39th term	Class C1	19	6W-4L	△→cleared	45.4
38th term	Class C1	12	3W-7L	Demerit	42.8
37th term	Class C1	4	4W-6L		38.3
36th term	Class C1	7	7W-3L
30th term	Class C1	1	5W-5L		40.7
29th term	Class C1	9	7W-3L		46.6
28th term	Class C1	10	5W-5L		45.4
27th term	Class C1	4	4W-6L		36.8
26th term	Class C1	4	5W-3L		42.0
25th term	Class C1	14	8W-4L		44.6
24th term	Class C2	11	9W-3L	Promoted	52.6
23rd term	Class C2	2	4W-8L		40.9
22nd term	Class C2	2	7W-5L		42.6
21st term	Class C2	10	8W-4L		48.1
20th term	Class C2	10	5W-7L		38.6
19th term	Class C2	5	4W-8L		34.0
18th term	Class C2	10	6W-6L
17th term	Class C2	6	4W-9L
16th term	Class C2	8	5W-7L
15th term	Class C2	5	4W-8L
14th term	Class C2	14	7W-6L

How the deviation score is calculated: see here.

Terms in each class

Class C1	13 terms
Class C2	16 terms

Promotion history

Jan 7, 2003	posthumous 8-dan
1986	7-dan
1973	6-dan
1970	5-dan

Career win milestones

100 wins	Oct 6, 1970 Junisen
200 wins	Sep 12, 1979 Oza-sen

Best wins (highest-rated opponents)

Jan 13, 1978	Kunio Naitou 1747	Oi-sen
Dec 1, 1986	Bungo Fukusaki 1730	Tenno-sen
Mar 11, 1986	Masaki Izumi 1723	Junisen
Jul 20, 1977	Seiichirou Taki 1691	Junisen
Nov 19, 1986	Keita Inoue 1691	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

Fumio Kitamura	17W-11L	Head-to-head
Akira Kinoshita	9W-18L	Head-to-head
Masakazu Wakamatsu	12W-10L	Head-to-head
Kazumasa Yamanaka	18W-3L	Head-to-head
Toshiyuki Tsubouchi	4W-17L	Head-to-head
Hidejiro Kitamura	11W-8L	Head-to-head
Mitsuo Kakuta	10W-8L	Head-to-head
Keizou Hoshida	9W-9L	Head-to-head
Sanji Hashimoto	14W-4L	Head-to-head
Hiromitsu Takashima	5W-13L	Head-to-head
Hidemitsu Moriyasu	2W-16L	Head-to-head
Eiji Oohara	10W-6L	Head-to-head

Head-to-head with other players →