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Hisao Hirotsu

Player No.32
Rank9-dan
Date of birthFeb 26, 1923
BirthplaceFukuoka
Teacher花田長太郎9-dan (deceased)
Junisen terms38
Career record188W-235L
Win rate0.444
Deviation score (FY1987)43.5
Best deviation score57.1
FY1966

Rating history and all games →

Junisen record

TermClassRankRecordUp/downDeviation
46th termClass C2191W-9LDemerit43.5
45th termClass C2376W-4L42.7
44th termClass C2323W-7L36.9
43rd termClass C253W-7L42.0
42nd termClass C2278W-2L48.5
41st termClass C213W-7L40.5
40th termClass C1204W-6LRelegated50.0
39th termClass C142W-8LDemerit35.1
38th termClass C146W-4L40.9
37th termClass C116W-4L46.7
36th termClass B2194W-6LRelegated
30th termClass B233W-7LDemerit45.1
29th termClass B1123W-10LRelegated50.0
28th termClass B1115W-8L51.1
24th termClass B184W-9L46.0
23rd termClass B175W-7L46.1
22nd termClass B1114W-5L52.8
21st termClass B2110W-2LPromoted57.1
20th termClass B164W-9LRelegated37.4
19th termClass B1108W-6L48.5
18th termClass B133W-8L
17th termClass A61W-9LRelegated
16th termClass A105W-4L
15th termClass B148W-3LPromoted
14th termClass B1107W-5L
13th termClass B195W-7L
12th termClass B195W-7L
11th termClass B186W-7L
10th termClass B1125W-6L
9th termClass B218W-4LPromoted
8th termClass B1135W-7LRelegated
7th termClass B218W-4LPromoted
6th termClass B245W-7LClass B2へ
5th termClass C (Ko)10W-2L
4th termClass C (Ko)・ East4W-4L
3rd termClass C1W-8L
2nd termClass C・ West265W-7LTo Class C1
1st termClass C225W-9L

How the deviation score is calculated: see here.

Terms in each class

Class A2 terms
Class B115 terms
Class B25 terms
Class C14 terms
Class C26 terms

Promotion history

19859-dan
19618-dan
19517-dan
19486-dan
19475-dan

Career win milestones

100 winsJul 8, 1966 Junisen
200 winsAug 25, 1977 Hayazashi-sen
300 winsJul 14, 1986 Junisen

Best wins (highest-rated opponents)

Jul 5, 1982Yasuharu Ooyama 1911All-Japan Pro
Nov 20, 1973Kiyozumi Kiriyama 1792Junisen
Sep 18, 1961Kozo Masuda 1790Junisen
Feb 5, 1982Teruichi Aono 1788Kisei-sen
Jun 18, 1985Hifumi Katoh 1786Kio-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

Toyoichi Igarashi9W-14LHead-to-head
Motoji Hanamura6W-15LHead-to-head
Hisao Hasebe6W-14LHead-to-head
Souetsu Honma9W-8LHead-to-head
Hiroji Katou7W-10LHead-to-head
Masao Kitamura9W-8LHead-to-head
Hirofumi Serizawa5W-11LHead-to-head
Yasuo Harada2W-13LHead-to-head
Shouji Kenmochi12W-3LHead-to-head
Shigeyuki Matsuda5W-9LHead-to-head
Michihito Kumagai8W-6LHead-to-head
Yuji Sase7W-6LHead-to-head

Head-to-head with other players →